# MonthCalendarExtenestions

Namespace: **Wisej.Web.Markup**

Assembly: **Wisej.Framework** (4.0.0.0)

Adds [fluent markup](https://learn.microsoft.com/en-us/dotnet/communitytoolkit/maui/markup/markup) extension methods to the [MonthCalendar](/api/wisej.web/editors/monthcalendar.md) class.

{% tabs %}
{% tab title="C#" %}

```csharp
public class MonthCalendarExtenestions
```

{% endtab %}

{% tab title="VB.NET" %}

```visual-basic
Public Class MonthCalendarExtenestions
```

{% endtab %}
{% endtabs %}

## Methods

### ![](/files/lIX317sDtMTZJBi9oSIx) AnnuallyBoldedDates\<TMonthCalendar>(monthCalendar, dates)

Sets the AnnuallyBoldedDates property of the specified [MonthCalendar](/api/wisej.web/editors/monthcalendar.md).

| Parameter          | Type                                                                                             | Description                                                                                                           |
| ------------------ | ------------------------------------------------------------------------------------------------ | --------------------------------------------------------------------------------------------------------------------- |
| **TMonthCalendar** |                                                                                                  | The type of the month calendar, must inherit from [MonthCalendar](/api/wisej.web/editors/monthcalendar.md).           |
| **monthCalendar**  | [TMonthCalendar](/api/wisej.web.markup/extensions/wisej.web.markup.monthcalendarextenestions.md) | The month calendar for which to set the AnnuallyBoldedDates property.                                                 |
| **dates**          | [DateTime\[\]](https://docs.microsoft.com/dotnet/api/system.datetime)                            | An array of [DateTime](https://docs.microsoft.com/dotnet/api/system.datetime) representing the annually bolded dates. |

**Returns:** [TMonthCalendar](/api/wisej.web.markup/extensions/wisej.web.markup.monthcalendarextenestions.md). The modified month calendar with the updated AnnuallyBoldedDates property.

This method allows you to specify dates that are bolded every year in the month calendar.

```csharp

myMonthCalendar.AnnuallyBoldedDates(new DateTime(2000, 1, 1), new DateTime(2000, 12, 25));

```

### ![](/files/lIX317sDtMTZJBi9oSIx) BoldedDates\<TMonthCalendar>(monthCalendar, dates)

Sets the BoldedDates property of the specified [MonthCalendar](/api/wisej.web/editors/monthcalendar.md).

| Parameter          | Type                                                                                             | Description                                                                                                  |
| ------------------ | ------------------------------------------------------------------------------------------------ | ------------------------------------------------------------------------------------------------------------ |
| **TMonthCalendar** |                                                                                                  | The type of the month calendar, must inherit from [MonthCalendar](/api/wisej.web/editors/monthcalendar.md).  |
| **monthCalendar**  | [TMonthCalendar](/api/wisej.web.markup/extensions/wisej.web.markup.monthcalendarextenestions.md) | The month calendar for which to set the BoldedDates property.                                                |
| **dates**          | [DateTime\[\]](https://docs.microsoft.com/dotnet/api/system.datetime)                            | An array of [DateTime](https://docs.microsoft.com/dotnet/api/system.datetime) representing the bolded dates. |

**Returns:** [TMonthCalendar](/api/wisej.web.markup/extensions/wisej.web.markup.monthcalendarextenestions.md). The modified month calendar with the updated BoldedDates property.

This method allows you to specify specific dates that are bolded in the month calendar.

```csharp

myMonthCalendar.BoldedDates(new DateTime(2023, 6, 1), new DateTime(2023, 7, 4));

```

### ![](/files/lIX317sDtMTZJBi9oSIx) BorderStyle\<TMonthCalendar>(monthCalendar, borderStyle)

Sets the BorderStyle property of the specified [MonthCalendar](/api/wisej.web/editors/monthcalendar.md).

| Parameter          | Type                                                                                             | Description                                                                                                 |
| ------------------ | ------------------------------------------------------------------------------------------------ | ----------------------------------------------------------------------------------------------------------- |
| **TMonthCalendar** |                                                                                                  | The type of the month calendar, must inherit from [MonthCalendar](/api/wisej.web/editors/monthcalendar.md). |
| **monthCalendar**  | [TMonthCalendar](/api/wisej.web.markup/extensions/wisej.web.markup.monthcalendarextenestions.md) | The month calendar for which to set the BorderStyle property.                                               |
| **borderStyle**    | [BorderStyle](/api/wisej.web/enumerations/wisej.web.borderstyle.md)                              | The [BorderStyle](#borderstyle``1) to set for the month calendar.                                           |

**Returns:** [TMonthCalendar](/api/wisej.web.markup/extensions/wisej.web.markup.monthcalendarextenestions.md). The modified month calendar with the updated BorderStyle property.

This method allows you to set the border style for the month calendar.

```csharp

myMonthCalendar.BorderStyle(BorderStyle.FixedSingle);

```

### ![](/files/lIX317sDtMTZJBi9oSIx) CalendarDimensions\<TMonthCalendar>(monthCalendar, dimensions)

Sets the CalendarDimensions property of the specified [MonthCalendar](/api/wisej.web/editors/monthcalendar.md).

| Parameter          | Type                                                                                             | Description                                                                                                      |
| ------------------ | ------------------------------------------------------------------------------------------------ | ---------------------------------------------------------------------------------------------------------------- |
| **TMonthCalendar** |                                                                                                  | The type of the month calendar, must inherit from [MonthCalendar](/api/wisej.web/editors/monthcalendar.md).      |
| **monthCalendar**  | [TMonthCalendar](/api/wisej.web.markup/extensions/wisej.web.markup.monthcalendarextenestions.md) | The month calendar for which to set the CalendarDimensions property.                                             |
| **dimensions**     | [Size](https://docs.microsoft.com/dotnet/api/system.drawing.size)                                | A [Size](https://docs.microsoft.com/dotnet/api/system.drawing.size) representing the dimensions of the calendar. |

**Returns:** [TMonthCalendar](/api/wisej.web.markup/extensions/wisej.web.markup.monthcalendarextenestions.md). The modified month calendar with the updated CalendarDimensions property.

This method allows you to specify the dimensions (number of months shown) for the month calendar.

```csharp

myMonthCalendar.CalendarDimensions(new Size(2, 1));

```

### ![](/files/lIX317sDtMTZJBi9oSIx) FirstDayOfWeek\<TMonthCalendar>(monthCalendar, day)

Sets the FirstDayOfWeek property of the specified [MonthCalendar](/api/wisej.web/editors/monthcalendar.md).

| Parameter          | Type                                                                                             | Description                                                                                                 |
| ------------------ | ------------------------------------------------------------------------------------------------ | ----------------------------------------------------------------------------------------------------------- |
| **TMonthCalendar** |                                                                                                  | The type of the month calendar, must inherit from [MonthCalendar](/api/wisej.web/editors/monthcalendar.md). |
| **monthCalendar**  | [TMonthCalendar](/api/wisej.web.markup/extensions/wisej.web.markup.monthcalendarextenestions.md) | The month calendar for which to set the FirstDayOfWeek property.                                            |
| **day**            | [Day](/api/wisej.web/enumerations/wisej.web.day.md)                                              | The [Day](/api/wisej.web/enumerations/wisej.web.day.md) to set as the first day of the week.                |

**Returns:** [TMonthCalendar](/api/wisej.web.markup/extensions/wisej.web.markup.monthcalendarextenestions.md). The modified month calendar with the updated FirstDayOfWeek property.

This method allows you to specify the first day of the week for the month calendar.

```csharp

myMonthCalendar.FirstDayOfWeek(Day.Monday);

```

### ![](/files/lIX317sDtMTZJBi9oSIx) MaxDate\<TMonthCalendar>(monthCalendar, date)

Sets the MaxDate property of the specified [MonthCalendar](/api/wisej.web/editors/monthcalendar.md).

| Parameter          | Type                                                                                             | Description                                                                                                 |
| ------------------ | ------------------------------------------------------------------------------------------------ | ----------------------------------------------------------------------------------------------------------- |
| **TMonthCalendar** |                                                                                                  | The type of the month calendar, must inherit from [MonthCalendar](/api/wisej.web/editors/monthcalendar.md). |
| **monthCalendar**  | [TMonthCalendar](/api/wisej.web.markup/extensions/wisej.web.markup.monthcalendarextenestions.md) | The month calendar for which to set the MaxDate property.                                                   |
| **date**           | [DateTime](https://docs.microsoft.com/dotnet/api/system.datetime)                                | The maximum allowable date.                                                                                 |

**Returns:** [TMonthCalendar](/api/wisej.web.markup/extensions/wisej.web.markup.monthcalendarextenestions.md). The modified month calendar with the updated MaxDate property.

This method allows you to set the maximum allowable date that can be selected in the month calendar.

```csharp

myMonthCalendar.MaxDate(new DateTime(2023, 12, 31));

```

### ![](/files/lIX317sDtMTZJBi9oSIx) MaxSelectionCount\<TMonthCalendar>(monthCalendar, count)

Sets the MaxSelectionCount property of the specified [MonthCalendar](/api/wisej.web/editors/monthcalendar.md).

| Parameter          | Type                                                                                             | Description                                                                                                 |
| ------------------ | ------------------------------------------------------------------------------------------------ | ----------------------------------------------------------------------------------------------------------- |
| **TMonthCalendar** |                                                                                                  | The type of the month calendar, must inherit from [MonthCalendar](/api/wisej.web/editors/monthcalendar.md). |
| **monthCalendar**  | [TMonthCalendar](/api/wisej.web.markup/extensions/wisej.web.markup.monthcalendarextenestions.md) | The month calendar for which to set the MaxSelectionCount property.                                         |
| **count**          | [Int32](https://docs.microsoft.com/dotnet/api/system.int32)                                      | The maximum number of days that can be selected.                                                            |

**Returns:** [TMonthCalendar](/api/wisej.web.markup/extensions/wisej.web.markup.monthcalendarextenestions.md). The modified month calendar with the updated MaxSelectionCount property.

This method allows you to specify the maximum number of days that can be selected in the month calendar.

```csharp

myMonthCalendar.MaxSelectionCount(7);

```

### ![](/files/lIX317sDtMTZJBi9oSIx) MinDate\<TMonthCalendar>(monthCalendar, date)

Sets the MinDate property of the specified [MonthCalendar](/api/wisej.web/editors/monthcalendar.md).

| Parameter          | Type                                                                                             | Description                                                                                                 |
| ------------------ | ------------------------------------------------------------------------------------------------ | ----------------------------------------------------------------------------------------------------------- |
| **TMonthCalendar** |                                                                                                  | The type of the month calendar, must inherit from [MonthCalendar](/api/wisej.web/editors/monthcalendar.md). |
| **monthCalendar**  | [TMonthCalendar](/api/wisej.web.markup/extensions/wisej.web.markup.monthcalendarextenestions.md) | The month calendar for which to set the MinDate property.                                                   |
| **date**           | [DateTime](https://docs.microsoft.com/dotnet/api/system.datetime)                                | The minimum allowable date.                                                                                 |

**Returns:** [TMonthCalendar](/api/wisej.web.markup/extensions/wisej.web.markup.monthcalendarextenestions.md). The modified month calendar with the updated MinDate property.

This method allows you to set the minimum allowable date that can be selected in the month calendar.

```csharp

myMonthCalendar.MinDate(new DateTime(2023, 1, 1));

```

### ![](/files/lIX317sDtMTZJBi9oSIx) MonthlyBoldedDates\<TMonthCalendar>(monthCalendar, dates)

Sets the MonthlyBoldedDates property of the specified [MonthCalendar](/api/wisej.web/editors/monthcalendar.md).

| Parameter          | Type                                                                                             | Description                                                                                                          |
| ------------------ | ------------------------------------------------------------------------------------------------ | -------------------------------------------------------------------------------------------------------------------- |
| **TMonthCalendar** |                                                                                                  | The type of the month calendar, must inherit from [MonthCalendar](/api/wisej.web/editors/monthcalendar.md).          |
| **monthCalendar**  | [TMonthCalendar](/api/wisej.web.markup/extensions/wisej.web.markup.monthcalendarextenestions.md) | The month calendar for which to set the MonthlyBoldedDates property.                                                 |
| **dates**          | [DateTime\[\]](https://docs.microsoft.com/dotnet/api/system.datetime)                            | An array of [DateTime](https://docs.microsoft.com/dotnet/api/system.datetime) representing the monthly bolded dates. |

**Returns:** [TMonthCalendar](/api/wisej.web.markup/extensions/wisej.web.markup.monthcalendarextenestions.md). The modified month calendar with the updated MonthlyBoldedDates property.

This method allows you to specify dates that are bolded every month in the month calendar.

```csharp

myMonthCalendar.MonthlyBoldedDates(new DateTime(2000, 1, 15));

```

### ![](/files/lIX317sDtMTZJBi9oSIx) OnDateChanged\<TMonthCalendar>(monthCalendar, action)

Attaches an event handler for the DateChanged event of the specified [MonthCalendar](/api/wisej.web/editors/monthcalendar.md).

| Parameter          | Type                                                                                                 | Description                                                                                                 |
| ------------------ | ---------------------------------------------------------------------------------------------------- | ----------------------------------------------------------------------------------------------------------- |
| **TMonthCalendar** |                                                                                                      | The type of the month calendar, must inherit from [MonthCalendar](/api/wisej.web/editors/monthcalendar.md). |
| **monthCalendar**  | [TMonthCalendar](/api/wisej.web.markup/extensions/wisej.web.markup.monthcalendarextenestions.md)     | The month calendar to attach the event handler to.                                                          |
| **action**         | [Action\<TMonthCalendar, DateRangeEventArgs>](https://docs.microsoft.com/dotnet/api/system.action-2) | An action to execute when the selected date range changes.                                                  |

**Returns:** [TMonthCalendar](/api/wisej.web.markup/extensions/wisej.web.markup.monthcalendarextenestions.md). The modified month calendar with the attached DateChanged event handler.

This method allows you to execute a custom action whenever the selected date range changes in the month calendar.

```csharp

myMonthCalendar.OnDateChanged((mc, args) =>
{
AlertBox.Show($"Date changed: {args.Start} - {args.End}");
});

```

### ![](/files/lIX317sDtMTZJBi9oSIx) OnDateSelected\<TMonthCalendar>(monthCalendar, action)

Attaches an event handler for the DateSelected event of the specified [MonthCalendar](/api/wisej.web/editors/monthcalendar.md).

| Parameter          | Type                                                                                                 | Description                                                                                                 |
| ------------------ | ---------------------------------------------------------------------------------------------------- | ----------------------------------------------------------------------------------------------------------- |
| **TMonthCalendar** |                                                                                                      | The type of the month calendar, must inherit from [MonthCalendar](/api/wisej.web/editors/monthcalendar.md). |
| **monthCalendar**  | [TMonthCalendar](/api/wisej.web.markup/extensions/wisej.web.markup.monthcalendarextenestions.md)     | The month calendar to attach the event handler to.                                                          |
| **action**         | [Action\<TMonthCalendar, DateRangeEventArgs>](https://docs.microsoft.com/dotnet/api/system.action-2) | An action to execute when a date is selected.                                                               |

**Returns:** [TMonthCalendar](/api/wisej.web.markup/extensions/wisej.web.markup.monthcalendarextenestions.md). The modified month calendar with the attached DateSelected event handler.

This method allows you to execute a custom action whenever a date is selected in the month calendar.

```csharp

myMonthCalendar.OnDateSelected((mc, args) =>
{
AlertBox.Show($"Date selected: {args.Start} - {args.End}");
});

```

### ![](/files/lIX317sDtMTZJBi9oSIx) OnDisplayRangeChanged\<TMonthCalendar>(monthCalendar, action)

Attaches an event handler for the DisplayRangeChanged event of the specified [MonthCalendar](/api/wisej.web/editors/monthcalendar.md).

| Parameter          | Type                                                                                                 | Description                                                                                                 |
| ------------------ | ---------------------------------------------------------------------------------------------------- | ----------------------------------------------------------------------------------------------------------- |
| **TMonthCalendar** |                                                                                                      | The type of the month calendar, must inherit from [MonthCalendar](/api/wisej.web/editors/monthcalendar.md). |
| **monthCalendar**  | [TMonthCalendar](/api/wisej.web.markup/extensions/wisej.web.markup.monthcalendarextenestions.md)     | The month calendar to attach the event handler to.                                                          |
| **action**         | [Action\<TMonthCalendar, DateRangeEventArgs>](https://docs.microsoft.com/dotnet/api/system.action-2) | An action to execute when the display range changes.                                                        |

**Returns:** [TMonthCalendar](/api/wisej.web.markup/extensions/wisej.web.markup.monthcalendarextenestions.md). The modified month calendar with the attached DisplayRangeChanged event handler.

This method allows you to execute a custom action whenever the display range changes in the month calendar.

```csharp

myMonthCalendar.OnDisplayRangeChanged((mc, args) =>
{
AlertBox.Show($"Display range changed: {args.Start} - {args.End}");
});

```

### ![](/files/lIX317sDtMTZJBi9oSIx) SelectionEnd\<TMonthCalendar>(monthCalendar, date)

Sets the SelectionEnd property of the specified [MonthCalendar](/api/wisej.web/editors/monthcalendar.md).

| Parameter          | Type                                                                                             | Description                                                                                                 |
| ------------------ | ------------------------------------------------------------------------------------------------ | ----------------------------------------------------------------------------------------------------------- |
| **TMonthCalendar** |                                                                                                  | The type of the month calendar, must inherit from [MonthCalendar](/api/wisej.web/editors/monthcalendar.md). |
| **monthCalendar**  | [TMonthCalendar](/api/wisej.web.markup/extensions/wisej.web.markup.monthcalendarextenestions.md) | The month calendar for which to set the SelectionEnd property.                                              |
| **date**           | [DateTime](https://docs.microsoft.com/dotnet/api/system.datetime)                                | The end date of the selection range.                                                                        |

**Returns:** [TMonthCalendar](/api/wisej.web.markup/extensions/wisej.web.markup.monthcalendarextenestions.md). The modified month calendar with the updated SelectionEnd property.

This method allows you to specify the end date of the selection range in the month calendar.

```csharp

myMonthCalendar.SelectionEnd(new DateTime(2023, 6, 10));

```

### ![](/files/lIX317sDtMTZJBi9oSIx) SelectionRange\<TMonthCalendar>(monthCalendar, selectionRange)

Sets the SelectionRange property of the specified [MonthCalendar](/api/wisej.web/editors/monthcalendar.md).

| Parameter          | Type                                                                                             | Description                                                                                                 |
| ------------------ | ------------------------------------------------------------------------------------------------ | ----------------------------------------------------------------------------------------------------------- |
| **TMonthCalendar** |                                                                                                  | The type of the month calendar, must inherit from [MonthCalendar](/api/wisej.web/editors/monthcalendar.md). |
| **monthCalendar**  | [TMonthCalendar](/api/wisej.web.markup/extensions/wisej.web.markup.monthcalendarextenestions.md) | The month calendar for which to set the SelectionRange property.                                            |
| **selectionRange** | [SelectionRange](/api/wisej.web/editors/monthcalendar/wisej.web.selectionrange.md)               | The [SelectionRange](#selectionrange``1) to set for the month calendar.                                     |

**Returns:** [TMonthCalendar](/api/wisej.web.markup/extensions/wisej.web.markup.monthcalendarextenestions.md). The modified month calendar with the updated SelectionRange property.

This method allows you to specify the selection range in the month calendar.

```csharp

myMonthCalendar.SelectionRange(new SelectionRange(new DateTime(2023, 6, 1), new DateTime(2023, 6, 10)));

```

### ![](/files/lIX317sDtMTZJBi9oSIx) SelectionStart\<TMonthCalendar>(monthCalendar, date)

Sets the SelectionStart property of the specified [MonthCalendar](/api/wisej.web/editors/monthcalendar.md).

| Parameter          | Type                                                                                             | Description                                                                                                 |
| ------------------ | ------------------------------------------------------------------------------------------------ | ----------------------------------------------------------------------------------------------------------- |
| **TMonthCalendar** |                                                                                                  | The type of the month calendar, must inherit from [MonthCalendar](/api/wisej.web/editors/monthcalendar.md). |
| **monthCalendar**  | [TMonthCalendar](/api/wisej.web.markup/extensions/wisej.web.markup.monthcalendarextenestions.md) | The month calendar for which to set the SelectionStart property.                                            |
| **date**           | [DateTime](https://docs.microsoft.com/dotnet/api/system.datetime)                                | The start date of the selection range.                                                                      |

**Returns:** [TMonthCalendar](/api/wisej.web.markup/extensions/wisej.web.markup.monthcalendarextenestions.md). The modified month calendar with the updated SelectionStart property.

This method allows you to specify the start date of the selection range in the month calendar.

```csharp

myMonthCalendar.SelectionStart(new DateTime(2023, 6, 1));

```

### ![](/files/lIX317sDtMTZJBi9oSIx) ShowOtherMonth\<TMonthCalendar>(monthCalendar, value)

Sets the ShowOtherMonth property of the specified [MonthCalendar](/api/wisej.web/editors/monthcalendar.md).

| Parameter          | Type                                                                                             | Description                                                                                                 |
| ------------------ | ------------------------------------------------------------------------------------------------ | ----------------------------------------------------------------------------------------------------------- |
| **TMonthCalendar** |                                                                                                  | The type of the month calendar, must inherit from [MonthCalendar](/api/wisej.web/editors/monthcalendar.md). |
| **monthCalendar**  | [TMonthCalendar](/api/wisej.web.markup/extensions/wisej.web.markup.monthcalendarextenestions.md) | The month calendar for which to set the ShowOtherMonth property.                                            |
| **value**          | [Boolean](https://docs.microsoft.com/dotnet/api/system.boolean)                                  | A boolean indicating whether days from other months are shown in the month calendar.                        |

**Returns:** [TMonthCalendar](/api/wisej.web.markup/extensions/wisej.web.markup.monthcalendarextenestions.md). The modified month calendar with the updated ShowOtherMonth property.

This method allows you to enable or disable the display of days from other months in the month calendar.

```csharp

myMonthCalendar.ShowOtherMonth(true);

```

### ![](/files/lIX317sDtMTZJBi9oSIx) ShowToday\<TMonthCalendar>(monthCalendar, value)

Sets the ShowToday property of the specified [MonthCalendar](/api/wisej.web/editors/monthcalendar.md).

| Parameter          | Type                                                                                             | Description                                                                                                 |
| ------------------ | ------------------------------------------------------------------------------------------------ | ----------------------------------------------------------------------------------------------------------- |
| **TMonthCalendar** |                                                                                                  | The type of the month calendar, must inherit from [MonthCalendar](/api/wisej.web/editors/monthcalendar.md). |
| **monthCalendar**  | [TMonthCalendar](/api/wisej.web.markup/extensions/wisej.web.markup.monthcalendarextenestions.md) | The month calendar for which to set the ShowToday property.                                                 |
| **value**          | [Boolean](https://docs.microsoft.com/dotnet/api/system.boolean)                                  | A boolean indicating whether today's date is shown at the bottom of the month calendar.                     |

**Returns:** [TMonthCalendar](/api/wisej.web.markup/extensions/wisej.web.markup.monthcalendarextenestions.md). The modified month calendar with the updated ShowToday property.

This method allows you to enable or disable the display of today's date at the bottom of the month calendar.

```csharp

myMonthCalendar.ShowToday(true);

```

### ![](/files/lIX317sDtMTZJBi9oSIx) ShowToolTips\<TMonthCalendar>(monthCalendar, value)

Sets the ShowToolTips property of the specified [MonthCalendar](/api/wisej.web/editors/monthcalendar.md).

| Parameter          | Type                                                                                             | Description                                                                                                 |
| ------------------ | ------------------------------------------------------------------------------------------------ | ----------------------------------------------------------------------------------------------------------- |
| **TMonthCalendar** |                                                                                                  | The type of the month calendar, must inherit from [MonthCalendar](/api/wisej.web/editors/monthcalendar.md). |
| **monthCalendar**  | [TMonthCalendar](/api/wisej.web.markup/extensions/wisej.web.markup.monthcalendarextenestions.md) | The month calendar for which to set the ShowToolTips property.                                              |
| **value**          | [Boolean](https://docs.microsoft.com/dotnet/api/system.boolean)                                  | A boolean indicating whether tooltips are shown in the month calendar.                                      |

**Returns:** [TMonthCalendar](/api/wisej.web.markup/extensions/wisej.web.markup.monthcalendarextenestions.md). The modified month calendar with the updated ShowToolTips property.

This method allows you to enable or disable the display of tooltips in the month calendar.

```csharp

myMonthCalendar.ShowToolTips(true);

```

### ![](/files/lIX317sDtMTZJBi9oSIx) ShowWeekNumbers\<TMonthCalendar>(monthCalendar, value)

Sets the ShowWeekNumbers property of the specified [MonthCalendar](/api/wisej.web/editors/monthcalendar.md).

| Parameter          | Type                                                                                             | Description                                                                                                 |
| ------------------ | ------------------------------------------------------------------------------------------------ | ----------------------------------------------------------------------------------------------------------- |
| **TMonthCalendar** |                                                                                                  | The type of the month calendar, must inherit from [MonthCalendar](/api/wisej.web/editors/monthcalendar.md). |
| **monthCalendar**  | [TMonthCalendar](/api/wisej.web.markup/extensions/wisej.web.markup.monthcalendarextenestions.md) | The month calendar for which to set the ShowWeekNumbers property.                                           |
| **value**          | [Boolean](https://docs.microsoft.com/dotnet/api/system.boolean)                                  | A boolean indicating whether week numbers are shown in the month calendar.                                  |

**Returns:** [TMonthCalendar](/api/wisej.web.markup/extensions/wisej.web.markup.monthcalendarextenestions.md). The modified month calendar with the updated ShowWeekNumbers property.

This method allows you to enable or disable the display of week numbers in the month calendar.

```csharp

myMonthCalendar.ShowWeekNumbers(true);

```

### ![](/files/lIX317sDtMTZJBi9oSIx) TodayDate\<TMonthCalendar>(monthCalendar, date)

Sets the TodayDate property of the specified [MonthCalendar](/api/wisej.web/editors/monthcalendar.md).

| Parameter          | Type                                                                                             | Description                                                                                                 |
| ------------------ | ------------------------------------------------------------------------------------------------ | ----------------------------------------------------------------------------------------------------------- |
| **TMonthCalendar** |                                                                                                  | The type of the month calendar, must inherit from [MonthCalendar](/api/wisej.web/editors/monthcalendar.md). |
| **monthCalendar**  | [TMonthCalendar](/api/wisej.web.markup/extensions/wisej.web.markup.monthcalendarextenestions.md) | The month calendar for which to set the TodayDate property.                                                 |
| **date**           | [DateTime](https://docs.microsoft.com/dotnet/api/system.datetime)                                | The date to use as today's date.                                                                            |

**Returns:** [TMonthCalendar](/api/wisej.web.markup/extensions/wisej.web.markup.monthcalendarextenestions.md). The modified month calendar with the updated TodayDate property.

This method allows you to specify the date to be used as today's date in the month calendar.

```csharp

myMonthCalendar.TodayDate(new DateTime(2023, 6, 15));

```

### ![](/files/lIX317sDtMTZJBi9oSIx) TodayFormat\<TMonthCalendar>(monthCalendar, format)

Sets the TodayFormat property of the specified [MonthCalendar](/api/wisej.web/editors/monthcalendar.md).

| Parameter          | Type                                                                                             | Description                                                                                                 |
| ------------------ | ------------------------------------------------------------------------------------------------ | ----------------------------------------------------------------------------------------------------------- |
| **TMonthCalendar** |                                                                                                  | The type of the month calendar, must inherit from [MonthCalendar](/api/wisej.web/editors/monthcalendar.md). |
| **monthCalendar**  | [TMonthCalendar](/api/wisej.web.markup/extensions/wisej.web.markup.monthcalendarextenestions.md) | The month calendar for which to set the TodayFormat property.                                               |
| **format**         | [String](https://docs.microsoft.com/dotnet/api/system.string)                                    | The format string to use for today's date.                                                                  |

**Returns:** [TMonthCalendar](/api/wisej.web.markup/extensions/wisej.web.markup.monthcalendarextenestions.md). The modified month calendar with the updated TodayFormat property.

This method allows you to specify the format string for displaying today's date in the month calendar.

```csharp

myMonthCalendar.TodayFormat("MM/dd/yyyy");

```

### ![](/files/lIX317sDtMTZJBi9oSIx) Tools\<TMonthCalendar>(monthCalendar, tools)

Adds the specified tools to the Tools collection of the specified [MonthCalendar](/api/wisej.web/editors/monthcalendar.md).

| Parameter          | Type                                                                                             | Description                                                                                                 |
| ------------------ | ------------------------------------------------------------------------------------------------ | ----------------------------------------------------------------------------------------------------------- |
| **TMonthCalendar** |                                                                                                  | The type of the month calendar, must inherit from [MonthCalendar](/api/wisej.web/editors/monthcalendar.md). |
| **monthCalendar**  | [TMonthCalendar](/api/wisej.web.markup/extensions/wisej.web.markup.monthcalendarextenestions.md) | The month calendar to which the tools should be added.                                                      |
| **tools**          | [ComponentTool\[\]](/api/wisej.web/editors/wisej.web.componenttool.md)                           | An array of tools to add to the month calendar.                                                             |

**Returns:** [TMonthCalendar](/api/wisej.web.markup/extensions/wisej.web.markup.monthcalendarextenestions.md). The modified month calendar with the added tools.

This method allows you to add multiple tools to the month calendar in one call.

```csharp

myMonthCalendar.Tools(tool1, tool2, tool3);

```

### ![](/files/lIX317sDtMTZJBi9oSIx) ToolsPosition\<TMonthCalendar>(monthCalendar, position)

Sets the ToolsPosition property of the specified [MonthCalendar](/api/wisej.web/editors/monthcalendar.md).

| Parameter          | Type                                                                                             | Description                                                                                                               |
| ------------------ | ------------------------------------------------------------------------------------------------ | ------------------------------------------------------------------------------------------------------------------------- |
| **TMonthCalendar** |                                                                                                  | The type of the month calendar, must inherit from [MonthCalendar](/api/wisej.web/editors/monthcalendar.md).               |
| **monthCalendar**  | [TMonthCalendar](/api/wisej.web.markup/extensions/wisej.web.markup.monthcalendarextenestions.md) | The month calendar for which to set the ToolsPosition property.                                                           |
| **position**       | [HeaderPosition](/api/wisej.web/enumerations/wisej.web.headerposition.md)                        | The [HeaderPosition](/api/wisej.web/enumerations/wisej.web.headerposition.md) to set for the tools in the month calendar. |

**Returns:** [TMonthCalendar](/api/wisej.web.markup/extensions/wisej.web.markup.monthcalendarextenestions.md). The modified month calendar with the updated ToolsPosition property.

This method allows you to specify the position of tools in the month calendar.

```csharp

myMonthCalendar.ToolsPosition(HeaderPosition.Top);

```


---

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