/// <summary>
/// 开始拖动窗口
/// </summary>
/// <param name="hWnd">窗口句柄</param>
public static void BeginDrag(IntPtr hWnd)
{
UnsafeNativeMethods.ReleaseCapture();
UnsafeNativeMethods.SendMessage(hWnd, NativeMethods.WM_SYSCOMMAND, NativeMethods.SC_MOVE | NativeMethods.HTCAPTION, 0);
}
/// <summary>
/// 在指定句柄窗口内弹起鼠标,等待消息处理完成后再返回
/// </summary>
/// <param name="hWnd">窗口句柄</param>
/// <param name="pt">相对于窗口的点</param>
public static void SendMouseUp(IntPtr hWnd, Point pt)
{
IntPtr lParam = Util.MAKELPARAM(pt.X, pt.Y);
UnsafeNativeMethods.SendMessage(hWnd, NativeMethods.WM_LBUTTONUP, IntPtr.Zero, lParam);
}
/// <summary>
/// 开始更新,允许控件重绘
/// </summary>
/// <param name="hWnd">控件句柄</param>
public static void EndUpdate(IntPtr hWnd)
{
UnsafeNativeMethods.SendMessage(hWnd, NativeMethods.WM_SETREDRAW, 1, 0);
}