Win32Interop.GetWindowFromWindowId(WindowId) method

February 12, 2026 ยท View on GitHub

Reference

Definition

Namespace: Microsoft.UI

Gets the window handle that corresponds to the specified windowId, if the provided windowId is valid and the system has an HWND that represents the window.

public static IntPtr GetWindowFromWindowId(WindowId windowId);

Parameters

windowId WindowId

The identifier for the window.

Returns

IntPtr

The window handle that corresponds to the specified windowId, if the provided windowId is valid and the system has an HWND that represents the window. Otherwise, null.

Applies to

ProductIntroduced in
WinUIWindows App SDK 1.0

See also