> For the complete documentation index, see [llms.txt](https://docs.wisej.com/hybrid/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.wisej.com/hybrid/start/api/navigation/wisej.hybrid.devicewindows.md).

# DeviceWindows

Namespace: **Wisej.Hybrid**

Assembly: **Wisej.Hybrid** (3.5.0.0)

Provides methods to interact with device windows.

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

```csharp
public class DeviceWindows
```

{% endtab %}

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

```visual-basic
Public Class DeviceWindows
```

{% endtab %}
{% endtabs %}

Access this class through the [Device](/hybrid/start/api/general/wisej.hybrid.device.md) singleton.

## Constructors

### ![](/files/CCV9PPenlC1YZvNh1I6R)DeviceWindows()

Initializes a new instance of [DeviceWindows](/hybrid/start/api/navigation/wisej.hybrid.devicewindows.md).

## Methods

### ![](/files/CCV9PPenlC1YZvNh1I6R)GetOpenWindows()

Gets an array of open window ids.

**Returns:** [String\[\]](https://docs.microsoft.com/dotnet/api/system.string). The ids.

### ![](/files/CCV9PPenlC1YZvNh1I6R)TryClose(id)

Tries to close a window with the given id.

| Parameter | Type                                                          | Description    |
| --------- | ------------------------------------------------------------- | -------------- |
| **id**    | [String](https://docs.microsoft.com/dotnet/api/system.string) | The window id. |

**Returns:** [Boolean](https://docs.microsoft.com/dotnet/api/system.boolean). True if the window was successfully closed.

### ![](/files/CCV9PPenlC1YZvNh1I6R)TryOpen(url, title, location, size, minimumSize, maximumSize)

Tries to open a new window with the given URL.

| Parameter                                        | Type                                                                        | Description                     |
| ------------------------------------------------ | --------------------------------------------------------------------------- | ------------------------------- |
| **url**                                          | [String](https://docs.microsoft.com/dotnet/api/system.string)               | The URL to open.                |
| **title** ![](/files/hKoZkt511VItWvI9RDIT)       | [String](https://docs.microsoft.com/dotnet/api/system.string)               | The title of the window.        |
| **location** ![](/files/hKoZkt511VItWvI9RDIT)    | [Nullable\<Point>](https://docs.microsoft.com/dotnet/api/system.nullable-1) | The location of the window.     |
| **size** ![](/files/hKoZkt511VItWvI9RDIT)        | [Nullable\<Size>](https://docs.microsoft.com/dotnet/api/system.nullable-1)  | The size of the window.         |
| **minimumSize** ![](/files/hKoZkt511VItWvI9RDIT) | [Nullable\<Size>](https://docs.microsoft.com/dotnet/api/system.nullable-1)  | The minimum size of the window. |
| **maximumSize** ![](/files/hKoZkt511VItWvI9RDIT) | [Nullable\<Size>](https://docs.microsoft.com/dotnet/api/system.nullable-1)  | The maximum size of the window. |

**Returns:** [String](https://docs.microsoft.com/dotnet/api/system.string). The ID of the new window or null if not created.

### ![](/files/CCV9PPenlC1YZvNh1I6R)TryPostMessage(id, data)

Tries to post a message to the given window id with the given payload.

| Parameter | Type                                                          | Description       |
| --------- | ------------------------------------------------------------- | ----------------- |
| **id**    | [String](https://docs.microsoft.com/dotnet/api/system.string) | The window id.    |
| **data**  | [String](https://docs.microsoft.com/dotnet/api/system.string) | The data to post. |

**Returns:** [Boolean](https://docs.microsoft.com/dotnet/api/system.boolean). True if the message was sent successfully.

### ![](/files/CCV9PPenlC1YZvNh1I6R)TrySetTitle(id, title)

Tries to set the title for the given window.

| Parameter | Type                                                          | Description                  |
| --------- | ------------------------------------------------------------- | ---------------------------- |
| **id**    | [String](https://docs.microsoft.com/dotnet/api/system.string) | The window id.               |
| **title** | [String](https://docs.microsoft.com/dotnet/api/system.string) | The new title of the window. |

**Returns:** [Boolean](https://docs.microsoft.com/dotnet/api/system.boolean). True if the action succeeded.

## Events

### ![](/files/CCV9PPenlC1YZvNh1I6R)ClosedWindow

[EventHandler\<String>](https://docs.microsoft.com/dotnet/api/system.eventhandler-1) Fires when a window is closed.

### ![](/files/CCV9PPenlC1YZvNh1I6R)NewWindow

[EventHandler\<String>](https://docs.microsoft.com/dotnet/api/system.eventhandler-1) Fires when a new window is created and shown.

### ![](/files/CCV9PPenlC1YZvNh1I6R)ReceivedMessage

[EventHandler\<String>](https://docs.microsoft.com/dotnet/api/system.eventhandler-1) Fires when the current window receives a message from another window.


---

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