//根据鼠标位置找寻窗体并绘制边框
private void FoundAndDrawWindowRect()
{
Win32.LPPOINT pt = new Win32.LPPOINT();
Point curPos = MousePosition;
pt.X = curPos.X;
pt.Y = curPos.Y;
IntPtr hWnd = Win32.ChildWindowFromPointEx(Win32.GetDesktopWindow(), pt,
Win32.CWP_SKIPINVISIBL | Win32.CWP_SKIPDISABLED);
if (hWnd != IntPtr.Zero)
{
IntPtr hTemp = hWnd;
while (true)
{
Win32.ScreenToClient(hTemp, out pt);
hTemp = Win32.ChildWindowFromPointEx(hWnd, pt, Win32.CWP_SKIPINVISIBL);
if (hTemp == IntPtr.Zero || hTemp == hWnd)
{
break;
}
hWnd = hTemp;
pt.X = curPos.X; pt.Y = curPos.Y; //坐标还原为屏幕坐标
}
Win32.LPRECT lprect = new Win32.LPRECT();
Win32.GetWindowRect(hWnd, out lprect);
Rectangle rect = new Rectangle(lprect.Left, lprect.Top, lprect.Right - lprect.Left, lprect.Bottom - lprect.Top);
Screen curScreen = Screen.AllScreens.FirstOrDefault(s => s.Bounds.Contains(curPos));
if (curScreen != null)
{
Rectangle screenRect = curScreen.WorkingArea;
if (rect.Width > screenRect.Width || rect.Height > screenRect.Height)
{
int dW = rect.Width - screenRect.Width;
int dH = rect.Height - screenRect.Height;
int dX = screenRect.Left - rect.Left;
int dY = screenRect.Top - rect.Top;
if (dX * 2 == dW)
{
rect.X += dX;
rect.Width -= dW;
}
if (dY * 2 == dH)
{
rect.Y += dY;
rect.Height -= dH;
}
}
}
if (clipRect != Rectangle.Empty && clipRect.Contains(curPos))
{
rect = clipRect;
}
imageProcessBox.SetSelectRect(rect);
}
}
public static Rectangle getForeWinRect()
{
RECT re = new RECT();
IntPtr awin = Win32.GetForegroundWindow();
Win32.GetWindowRect(awin, ref re);
Rectangle rect = new Rectangle(re.Left, re.Top, re.Right - re.Left, re.Bottom - re.Top);
return(rect);
}