public FrmWindowPicker()
{
InitializeComponent();
_tool = new Tool();
_mouseHookProc = Mouse_HookCallback;
SetHook(WH_KEYBOARD_LL);
MouseActionProcess mouseActionProcess = new MouseActionProcess();
// set local mouse event handler
MouseAction += mouseActionProcess.MouseAction;
}
// Local mouse action event handler
public void MouseAction(object sender, MouseActionEventArgs e)
{
FrmWindowPicker form = (FrmWindowPicker) sender;
Window win = new Tool().getWindow(e.hWnd, e.point);
if (win != null)
{
//high light window's fame
switch (e.mouseMessage)
{
case MouseMessages.WM_LBUTTONDOWN:
drawFrame(win);
lastWin = win;
break;
case MouseMessages.WM_LBUTTONUP:
drawFrame(lastWin);
if (lastWin.hWnd != win.hWnd)
{
drawFrame(win);
Thread thd = new Thread(drawFrame) {Name = "delay"};
thd.Start(win);
}
lastWin = null;
break;
}
// Exits the global low level mouse hook, calls GC.Collect() actively, and then reenters a new hook
form.SetHook(FrmWindowPicker.WH_MOUSE_LL);
form.ShowWindowProperties(win);
form.PickedWindow = win;
}
}