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WinUI3修改默认窗口大小
source link: https://direct5dom.github.io/2023/01/13/WinUI3%E4%BF%AE%E6%94%B9%E9%BB%98%E8%AE%A4%E7%AA%97%E5%8F%A3%E5%A4%A7%E5%B0%8F/
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WinUI3修改默认窗口大小
2023-01-132023-01-20WinUI
WinUI3修改默认窗口大小
只需要在App.xaml.cs的OnLaunched下使用：
// Use 'this' rather than 'window' as variable if this is about the current window.
IntPtr hWnd = WinRT.Interop.WindowNative.GetWindowHandle(window);
var windowId = Microsoft.UI.Win32Interop.GetWindowIdFromWindow(hWnd);
var appWindow = Microsoft.UI.Windowing.AppWindow.GetFromWindowId(windowId);
然后即可对窗口默认大小进行设定：
appWindow.Resize(new Windows.Graphics.SizeInt32 { Width = 480, Height = 800 });
AppWindow对象还有其他几个功能，如MoveAndResize、Show、Hide和修改标题栏的功能。
最后吐槽一下Microsoft Doc是个什么垃圾玩意。
1、c# - WINUI 3.0 - Reunion 0.5 window size/// - Stack Overflow
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