private static void Centering()
{
// ペイントの中央揃え
using (var process = Process.GetProcessesByName("mspaint").FirstOrDefault())
{
if (process == null)
{
Console.WriteLine($"No process.");
return;
}
var windowHandle = process.MainWindowHandle;
var clientPoint = new NetCoreEx.Geometry.Point(0, 0);
User32Methods.GetClientRect(windowHandle, out var clientRect);
User32Methods.ClientToScreen(windowHandle, ref clientPoint);
Console.WriteLine($"clientRect: {clientRect.ToString()}");
Console.WriteLine($"clientPoint: {clientPoint.ToString()}");
var screen = Screen.PrimaryScreen;
Console.WriteLine($"PrimaryScreen: {screen.Bounds.ToString()}");
// 小数点以下は切り捨て
var x = (screen.Bounds.Width - clientRect.Width) / 2;
var y = (screen.Bounds.Height - clientRect.Height) / 2;
Console.WriteLine($"Move to ({x}, {y})");
// Move Window
User32Methods.MoveWindow(windowHandle, x, y, clientRect.Width, clientRect.Height, true);
}
}
private bool IsCursorInDraggableRegion(IntPtr hWnd, IntPtr lParam)
{
Point pt;
pt.X = NativeMethods.LOWORD(lParam);
pt.Y = NativeMethods.HIWORD(lParam);
User32Methods.ClientToScreen(hWnd, ref pt);
Rectangle rect;
User32Methods.GetWindowRect(_parentHandle, out rect);
// Mouse must be within Window
if (!User32Methods.PtInRect(ref rect, pt))
{
return(false);
}
Rectangle draggableRegion = new Rectangle
{
Left = rect.Left,
Top = rect.Top,
Right = rect.Right - _framelessOptions.NoDragWidth,
Bottom = rect.Top + _framelessOptions.Height
};
// Mouse must be within draggable Region
if (User32Methods.PtInRect(ref draggableRegion, pt))
{
return(true);
}
return(false);
}
/// <summary>
/// Converts a client-area rectangle to screen coordinates.
/// </summary>
/// <param name="winInstance">
/// Handle to the window whose client coordinates are to be converted.
/// This does mean that this rectangle is expected to be within the window.
/// </param>
public void ClientToScreen(IntPtr winInstance)
{
Point leftTop = LeftTop();
Point rightBottom = RightBottom();
User32Methods.ClientToScreen(winInstance, ref leftTop);
User32Methods.ClientToScreen(winInstance, ref rightBottom);
Left = leftTop.X;
Top = leftTop.Y;
Right = rightBottom.X;
Bottom = rightBottom.Y;
}