WinUi 3 마우스로 창 이동

MainWindow.xaml

<?xml version="1.0" encoding="utf-8"?>
<Window
    x:Class="AppTest.MainWindow"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:local="using:AppTest"
    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
    mc:Ignorable="d">

    <Grid x:Name="Grid_MainWindow" Background="Aquamarine" PointerPressed="Grid_PointerPressed" PointerMoved="Grid_PointerMoved">
    </Grid>
</Window>

 

MainWindow.xaml.cs

using Microsoft.UI;
using Microsoft.UI.Windowing;
using Microsoft.UI.Xaml;
using Microsoft.UI.Xaml.Controls;
using Microsoft.UI.Xaml.Input;
using System;
using System.Runtime.InteropServices;
using WinRT.Interop;

// To learn more about WinUI, the WinUI project structure,
// and more about our project templates, see: http://aka.ms/winui-project-info.

namespace AppTest
{
	/// <summary>
	/// An empty window that can be used on its own or navigated to within a Frame.
	/// </summary>
	public sealed partial class MainWindow : Window
	{
		private AppWindow m_AppWindow;
		private OverlappedPresenter m_AppWindow_overlapped;
		private Windows.Foundation.Point _mouseDownLocation;
		private DisplayArea _displayArea;
		public MainWindow()
		{
			this.InitializeComponent();

			IntPtr hWnd = WindowNative.GetWindowHandle(this);
			WindowId wndId = Win32Interop.GetWindowIdFromWindow(hWnd);
			m_AppWindow = AppWindow.GetFromWindowId(wndId);
			m_AppWindow_overlapped = (OverlappedPresenter)m_AppWindow.Presenter;
			if (m_AppWindow is not null)
			{
				_displayArea = DisplayArea.GetFromWindowId(wndId, DisplayAreaFallback.Nearest);
			}
		}

		[StructLayout(LayoutKind.Sequential)]
		public struct POINT
		{
			public int X;
			public int Y;
		}

		[DllImport("user32.dll")]
		[return: MarshalAs(UnmanagedType.Bool)]
		public static extern bool GetCursorPos(out POINT lpPoint);

		private void Grid_PointerPressed(object sender, PointerRoutedEventArgs e)
		{
			if (sender is Grid grid && e.OriginalSource == sender)
			{
				if (e.GetCurrentPoint(grid).Properties.IsLeftButtonPressed)
				{
					POINT mousePosition;
					var position = m_AppWindow.Position;
					if (GetCursorPos(out mousePosition))
					{
						_mouseDownLocation.X = mousePosition.X - position.X;
						_mouseDownLocation.Y = mousePosition.Y - position.Y;
					}
				}
			}
		}

		private void Grid_PointerMoved(object sender, PointerRoutedEventArgs e)
		{
			if (sender is Grid grid && e.OriginalSource == sender)
			{
				if (e.GetCurrentPoint(grid).Properties.IsLeftButtonPressed)
				{
					POINT mousePosition;
					double point_X = 0;
					double point_y = 0;
					if (GetCursorPos(out mousePosition) && _displayArea is not null)
					{
						point_X = mousePosition.X - _mouseDownLocation.X;
						point_y = mousePosition.Y - _mouseDownLocation.Y;
						var position = m_AppWindow.Position;
						position.X = (int)point_X;
						position.Y = (int)point_y;
						m_AppWindow.Move(position);
					}
				}
			}
		}

	}
}

 

결과