Class WindowExtensions

WinUI Window Extension Methods

Inheritance

System.Object

WindowExtensions

Inherited Members

System.Object.Equals(System.Object)

System.Object.Equals(System.Object, System.Object)

System.Object.GetHashCode()

System.Object.GetType()

System.Object.MemberwiseClone()

System.Object.ReferenceEquals(System.Object, System.Object)

System.Object.ToString()

Namespace: WinUIEx

Assembly: WinUIEx.dll

Syntax

public static class WindowExtensions

Methods

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CenterOnScreen(UI.Xaml.Window, Nullable<Double>, Nullable<Double>)

Centers the window on the current monitor

Declaration

public static void CenterOnScreen(this UI.Xaml.Window window, double? width = null, double? height = null)

Parameters

Type	Name	Description
Microsoft.UI.Xaml.Window	window	Window
System.Nullable<System.Double>	width	Width of the window in device independent pixels, or `null` if keeping the current size
System.Nullable<System.Double>	height	Height of the window in device independent pixels, or `null` if keeping the current size

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CreateFolderPicker(Window)

Creates a new instance of a FolderPicker with the provided window as a parent.

Declaration

public static FolderPicker CreateFolderPicker(this Window window)

Parameters

Type	Name	Description
Window	window	Parent window

Returns

Type	Description
FolderPicker	FolderPicker

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CreateMessageDialog(Window, String, String)

Initializes a new instance of the MessageDialog class with the provided window as a parent to display a titled message dialog that can be used to ask your user simple questions.

Declaration

public static UI.Popups.MessageDialog CreateMessageDialog(this Window window, string content, string title = "")

Parameters

Type	Name	Description
Window	window	Parent window
System.String	content	The message displayed to the user.
System.String	title	The title you want displayed on the dialog.

Returns

Type	Description
Windows.UI.Popups.MessageDialog	Message dialog

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CreateOpenFilePicker(Window)

Creates a new instance of a FileOpenPicker with the provided window as a parent.

Declaration

public static FileOpenPicker CreateOpenFilePicker(this Window window)

Parameters

Type	Name	Description
Window	window	Parent window

Returns

Type	Description
FileOpenPicker	FileOpenPicker

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CreateSaveFilePicker(Window)

Creates a new instance of a FileSavePicker with the provided window as a parent.

Declaration

public static FileSavePicker CreateSaveFilePicker(this Window window)

Parameters

Type	Name	Description
Window	window	Parent window

Returns

Type	Description
FileSavePicker	SaveFilePicker

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GetAppWindow(UI.Xaml.Window)

Gets the AppWindow from the handle

Declaration

[Obsolete("Use Microsoft.UI.Xaml.Window.AppWindow")]
public static AppWindow GetAppWindow(this UI.Xaml.Window window)

Parameters

Type	Name	Description
Microsoft.UI.Xaml.Window	window

Returns

Type	Description
AppWindow

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GetAppWindowFromWindowHandle(IntPtr)

Gets the AppWindow from an HWND

Declaration

public static AppWindow GetAppWindowFromWindowHandle(IntPtr hwnd)

Parameters

Type	Name	Description
System.IntPtr	hwnd

Returns

Type	Description
AppWindow	AppWindow

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GetDpiForWindow(UI.Xaml.Window)

Returns the dots per inch (dpi) value for the associated window.

Declaration

public static uint GetDpiForWindow(this UI.Xaml.Window window)

Parameters

Type	Name	Description
Microsoft.UI.Xaml.Window	window	The window you want to get information about.

Returns

Type	Description
System.UInt32	The DPI for the window which depends on the DPI_AWARENESS of the window. See the Remarks for more information. An invalid hwnd value will result in a return value of 0.

Remarks

Learn more about this API from docs.microsoft.com.

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GetExtendedWindowStyle(UI.Xaml.Window)

Gets the current window style

Declaration

public static ExtendedWindowStyle GetExtendedWindowStyle(this UI.Xaml.Window window)

Parameters

Type	Name	Description
Microsoft.UI.Xaml.Window	window	Window

Returns

Type	Description
ExtendedWindowStyle

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GetIsAlwaysOnTop(UI.Xaml.Window)

Gets a value indicating whether this window is on top or not.

Declaration

public static bool GetIsAlwaysOnTop(this UI.Xaml.Window window)

Parameters

Type	Name	Description
Microsoft.UI.Xaml.Window	window	window

Returns

Type	Description
System.Boolean	`True` if the overlapped presenter is on top, otherwise `false`.

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GetIsMaximizable(UI.Xaml.Window)

Gets a value indicating whether this window is maximizeable or not.

Declaration

public static bool GetIsMaximizable(this UI.Xaml.Window window)

Parameters

Type	Name	Description
Microsoft.UI.Xaml.Window	window	window

Returns

Type	Description
System.Boolean	`True` if the overlapped presenter is on maximizable, otherwise `false`.

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GetIsMinimizable(UI.Xaml.Window)

Gets a value indicating whether this window is minimizeable or not.

Declaration

public static bool GetIsMinimizable(this UI.Xaml.Window window)

Parameters

Type	Name	Description
Microsoft.UI.Xaml.Window	window	window

Returns

Type	Description
System.Boolean	`True` if the overlapped presenter is on minimizable, otherwise `false`.

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GetIsResizable(UI.Xaml.Window)

Gets a value indicating whether this resizable or not.

Declaration

public static bool GetIsResizable(this UI.Xaml.Window window)

Parameters

Type	Name	Description
Microsoft.UI.Xaml.Window	window	window

Returns

Type	Description
System.Boolean	`True` if the overlapped presenter is resizeable, otherwise `false`.

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GetWindowHandle(UI.Xaml.Window)

Gets the native HWND pointer handle for the window

Declaration

public static IntPtr GetWindowHandle(this UI.Xaml.Window window)

Parameters

Type	Name	Description
Microsoft.UI.Xaml.Window	window	The window to return the handle for

Returns

Type	Description
System.IntPtr	HWND handle

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GetWindowHandle(WindowId)

Gets the window HWND handle from a Window ID.

Declaration

public static IntPtr GetWindowHandle(this WindowId windowId)

Parameters

Type	Name	Description
WindowId	windowId	Window ID to get handle from

Returns

Type	Description
System.IntPtr	Window HWND handle

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GetWindowStyle(UI.Xaml.Window)

Gets the current window style

Declaration

public static WindowStyle GetWindowStyle(this UI.Xaml.Window window)

Parameters

Type	Name	Description
Microsoft.UI.Xaml.Window	window	Window

Returns

Type	Description
WindowStyle

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Hide(UI.Xaml.Window)

Hides the window and activates another window.

Declaration

public static bool Hide(this UI.Xaml.Window window)

Parameters

Type	Name	Description
Microsoft.UI.Xaml.Window	window	Window

Returns

Type	Description
System.Boolean	`true` if the window was previously visible, or `false` if the window was previously hidden.

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Maximize(UI.Xaml.Window)

Maximizes the specified window.

Declaration

public static void Maximize(this UI.Xaml.Window window)

Parameters

Type	Name	Description
Microsoft.UI.Xaml.Window	window	Window

Remarks

The presenter must be an overlapped presenter.

Exceptions

Type	Condition
System.NotSupportedException	Throw if the AppWindow Presenter isn't an overlapped presenter.

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Minimize(UI.Xaml.Window)

Minimizes the specified window and activates the next top-level window in the Z order.

Declaration

public static void Minimize(this UI.Xaml.Window window)

Parameters

Type	Name	Description
Microsoft.UI.Xaml.Window	window	Window

Remarks

The presenter must be an overlapped presenter.

Exceptions

Type	Condition
System.NotSupportedException	Throw if the AppWindow Presenter isn't an overlapped presenter.

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Move(UI.Xaml.Window, Int32, Int32)

Positions the window

Declaration

public static void Move(this UI.Xaml.Window window, int x, int y)

Parameters

Type	Name	Description
Microsoft.UI.Xaml.Window	window	Window
System.Int32	x	Left side of the window
System.Int32	y	Top side of the window

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MoveAndResize(UI.Xaml.Window, Double, Double, Double, Double)

Positions and resizes the window

Declaration

public static void MoveAndResize(this UI.Xaml.Window window, double x, double y, double width, double height)

Parameters

Type	Name	Description
Microsoft.UI.Xaml.Window	window	Window
System.Double	x	Left side of the window
System.Double	y	Top side of the window
System.Double	width	Width of the window in device independent pixels.
System.Double	height	Height of the window in device independent pixels.

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Restore(UI.Xaml.Window)

Activates and displays the window. If the window is minimized or maximized, the system restores it to its original size and position.

Declaration

public static void Restore(this UI.Xaml.Window window)

Parameters

Type	Name	Description
Microsoft.UI.Xaml.Window	window	Window

Remarks

The presenter must be an overlapped presenter.

Exceptions

Type	Condition
System.NotSupportedException	Throw if the AppWindow Presenter isn't an overlapped presenter.

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SetExtendedWindowStyle(UI.Xaml.Window, ExtendedWindowStyle)

Sets the current window style

Declaration

public static void SetExtendedWindowStyle(this UI.Xaml.Window window, ExtendedWindowStyle newStyle)

Parameters

Type	Name	Description
Microsoft.UI.Xaml.Window	window	Window
ExtendedWindowStyle	newStyle

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SetForegroundWindow(UI.Xaml.Window)

Brings the thread that created the specified window into the foreground and activates the window.

Declaration

public static bool SetForegroundWindow(this UI.Xaml.Window window)

Parameters

Type	Name	Description
Microsoft.UI.Xaml.Window	window	The window that should be activated and brought to the foreground.

Returns

Type	Description
System.Boolean	`true` if the window was brought to the foreground. `false` if the window was not brought to the foreground.

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SetIcon(UI.Xaml.Window, IconId)

Sets the icon for the window, using the specified icon ID.

Declaration

public static void SetIcon(this UI.Xaml.Window window, IconId iconId)

Parameters

Type	Name	Description
Microsoft.UI.Xaml.Window	window	Window
IconId	iconId	The ID of the icon.

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SetIcon(UI.Xaml.Window, String)

Sets the icon for the window, using the specified icon path.

Declaration

public static void SetIcon(this UI.Xaml.Window window, string iconPath)

Parameters

Type	Name	Description
Microsoft.UI.Xaml.Window	window	Window
System.String	iconPath	The path of the icon.

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SetIsAlwaysOnTop(UI.Xaml.Window, Boolean)

Configures whether the window should always be displayed on top of other windows or not

Declaration

public static void SetIsAlwaysOnTop(this UI.Xaml.Window window, bool enable)

Parameters

Type	Name	Description
Microsoft.UI.Xaml.Window	window	Window
System.Boolean	enable	Whether to display on top

Remarks

The presenter must be an overlapped presenter.

Exceptions

Type	Condition
System.NotSupportedException	Throw if the AppWindow Presenter isn't an overlapped presenter.

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SetIsMaximizable(UI.Xaml.Window, Boolean)

Declaration

public static void SetIsMaximizable(this UI.Xaml.Window window, bool enable)

Parameters

Type	Name	Description
Microsoft.UI.Xaml.Window	window	window
System.Boolean	enable	`true` if this window should be maximizable.

Remarks

The presenter must be an overlapped presenter.

Exceptions

Type	Condition
System.NotSupportedException	Throw if the AppWindow Presenter isn't an overlapped presenter.

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SetIsMinimizable(UI.Xaml.Window, Boolean)

Declaration

public static void SetIsMinimizable(this UI.Xaml.Window window, bool enable)

Parameters

Type	Name	Description
Microsoft.UI.Xaml.Window	window	window
System.Boolean	enable	`true` if this window should be minimizable.

Remarks

The presenter must be an overlapped presenter.

Exceptions

Type	Condition
System.NotSupportedException	Throw if the AppWindow Presenter isn't an overlapped presenter.

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SetIsResizable(UI.Xaml.Window, Boolean)

Enables or disables the ability to resize the window.

Declaration

public static void SetIsResizable(this UI.Xaml.Window window, bool enable)

Parameters

Type	Name	Description
Microsoft.UI.Xaml.Window	window
System.Boolean	enable

Remarks

The presenter must be an overlapped presenter.

Exceptions

Type	Condition
System.NotSupportedException	Throw if the AppWindow Presenter isn't an overlapped presenter.

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SetIsShownInSwitchers(UI.Xaml.Window, Boolean)

Enables or disables showing the window in the task switchers.

Declaration

public static void SetIsShownInSwitchers(this UI.Xaml.Window window, bool enable)

Parameters

Type	Name	Description
Microsoft.UI.Xaml.Window	window	window
System.Boolean	enable	`true` if this window should be shown in the task switchers, otherwise `false`.

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SetTaskBarIcon(UI.Xaml.Window, Icon)

Sets the task bar icon to the provided icon

Declaration

public static void SetTaskBarIcon(this UI.Xaml.Window window, Icon icon)

Parameters

Type	Name	Description
Microsoft.UI.Xaml.Window	window	Window
Icon	icon	Icon

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SetTitleBarBackgroundColors(UI.Xaml.Window, UI.Color)

Gets the background color for the title bar and all its buttons and their states.

Declaration

public static void SetTitleBarBackgroundColors(this UI.Xaml.Window window, UI.Color color)

Parameters

Type	Name	Description
Microsoft.UI.Xaml.Window	window	window
Windows.UI.Color	color	color

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SetWindowOpacity(UI.Xaml.Window, Byte)

Sets the opacity of a layered window.

Declaration

public static void SetWindowOpacity(this UI.Xaml.Window window, byte alpha)

Parameters

Type	Name	Description
Microsoft.UI.Xaml.Window	window	window
System.Byte	alpha	Alpha value used to describe the opacity of the layered window. When `alpha` is 0, the window is completely transparent. When `alpha` is 255, the window is opaque.

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SetWindowPresenter(UI.Xaml.Window, AppWindowPresenterKind)

Sets the window presenter kind used.

Declaration

public static void SetWindowPresenter(this UI.Xaml.Window window, AppWindowPresenterKind kind)

Parameters

Type	Name	Description
Microsoft.UI.Xaml.Window	window
AppWindowPresenterKind	kind

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SetWindowSize(UI.Xaml.Window, Double, Double)

Sets the width and height of the window in device-independent pixels.

Declaration

public static void SetWindowSize(this UI.Xaml.Window window, double width, double height)

Parameters

Type	Name	Description
Microsoft.UI.Xaml.Window	window	Window to set the size for.
System.Double	width	Width of the window in device-independent units.
System.Double	height	Height of the window in device-independent units.

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SetWindowStyle(UI.Xaml.Window, WindowStyle)

Sets the current window style

Declaration

public static void SetWindowStyle(this UI.Xaml.Window window, WindowStyle newStyle)

Parameters

Type	Name	Description
Microsoft.UI.Xaml.Window	window	Window
WindowStyle	newStyle

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Show(UI.Xaml.Window)

Activates the window and displays it in its current size and position.

Declaration

public static bool Show(this UI.Xaml.Window window)

Parameters

Type	Name	Description
Microsoft.UI.Xaml.Window	window	Window

Returns

Type	Description
System.Boolean	`true` if the window was previously visible, or `false` if the window was previously hidden.

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ToggleExtendedWindowStyle(UI.Xaml.Window, Boolean, ExtendedWindowStyle)

Disables or enables the window style

Declaration

public static void ToggleExtendedWindowStyle(this UI.Xaml.Window window, bool visible, ExtendedWindowStyle style)

Parameters

Type	Name	Description
Microsoft.UI.Xaml.Window	window	Window
System.Boolean	visible
ExtendedWindowStyle	style

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ToggleWindowStyle(UI.Xaml.Window, Boolean, WindowStyle)

Disables or enables the window style

Declaration

public static void ToggleWindowStyle(this UI.Xaml.Window window, bool visible, WindowStyle style)

Parameters

Type	Name	Description
Microsoft.UI.Xaml.Window	window	Window
System.Boolean	visible
WindowStyle	style