# MdiClient

Namespace: **Wisej.Web**

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

* [Control](/api/wisej.web/general/control.md)
  * [MdiClient](/api/wisej.web/containers/form/wisej.web.mdiclient.md)

Represents the container for multiple-document interface (MDI) child forms.

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

```csharp
public class MdiClient : Control
```

{% endtab %}

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

```visual-basic
Public Class MdiClient
    Inherits Control
```

{% endtab %}
{% endtabs %}

## Constructors

### ![](/files/hsR4ok3152WyAf8J2C1u) MdiClient(owner)

Initializes a new instance of [MdiClient](/api/wisej.web/containers/form/wisej.web.mdiclient.md).

| Name      | Type                                      | Description                                                   |
| --------- | ----------------------------------------- | ------------------------------------------------------------- |
| **owner** | [Form](/api/wisej.web/containers/form.md) | The MdiParent form using this container to host its children. |

## Properties

### ![](/files/hsR4ok3152WyAf8J2C1u) ActiveMdiChild

[Form](/api/wisej.web/containers/form.md): Returns the currently active multiple-document interface (MDI) child window.

### ![](/files/hsR4ok3152WyAf8J2C1u) MdiChildren

[Form\[\]](/api/wisej.web/containers/form.md): Returns the child multiple-document interface (MDI) forms of the [MdiClient](/api/wisej.web/containers/form/wisej.web.mdiclient.md) control.

### ![](/files/hsR4ok3152WyAf8J2C1u) TabControl

[TabControl](/api/wisej.web/containers/tabcontrol.md): Returns the internal TabControl.

## Methods

### ![](/files/lzopMboA31bVq8UIcbT3) OnLeave(e)

| Parameter | Type                                                                | Description |
| --------- | ------------------------------------------------------------------- | ----------- |
| **e**     | [EventArgs](https://docs.microsoft.com/dotnet/api/system.eventargs) |             |

### ![](/files/lzopMboA31bVq8UIcbT3) OnWebRender(config)

Renders the client component.

| Parameter  | Type                                                          | Description                   |
| ---------- | ------------------------------------------------------------- | ----------------------------- |
| **config** | [Object](https://docs.microsoft.com/dotnet/api/system.object) | Dynamic configuration object. |

## Implements

| Name                                                                              | Description                                                                                                           |
| --------------------------------------------------------------------------------- | --------------------------------------------------------------------------------------------------------------------- |
| [IUserData](/api/wisej.web/interfaces/wisej.web.iuserdata.md)                     | Provides access to the `UserData` and `Tag` properties associated to the component implementing this interface.       |
| [IBindableComponent](/api/wisej.web/data-binding/wisej.web.ibindablecomponent.md) | Bindable components implement this interface.                                                                         |
| [IDropTarget](/api/wisej.web/interfaces/wisej.web.idroptarget.md)                 | Controls that support drag & drop operations implement this interface.                                                |
| [IWisejComponent](/api/wisej.core/interfaces/wisej.core.iwisejcomponent.md)       | All wisej components implement this interface.                                                                        |
| [IWisejControl](/api/wisej.core/interfaces/wisej.core.iwisejcontrol.md)           | All wisej controls derived from the [Control](/api/wisej.web/general/control.md) class must implement this interface. |
| [IWisejSerializable](/api/wisej.core/interfaces/wisej.core.iwisejserializable.md) | Allows an object to serialize itself.                                                                                 |


---

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