private void RecaptureElement(System.Windows.Point point, bool highlight)
{
AutomationElement element = null;
try {
// Recapture element in case things have changed
element = AutomationElement.FromPoint(point);
}
catch {
}
if (highlight && element != null && !element.Equals(capturedElement))
{
Debug.WriteLine("Changing highlighted element");
GDI32.RedrawWindow(capturedElement);
GDI32.HighlightWindow(element);
// Restart the timer to give a second's delay before delivering the mouse move
_timer.Stop();
_timer.Start();
}
capturedElement = element;
}
protected override void WndProc(ref Message m)
{
if (capturing)
{
switch (m.Msg)
{
case 0x0202: { //LButtonUp
form.Visible = true;
_timer.Stop();
User32.ReleaseCapture();
GDI32.RedrawWindow(capturedElement);
Cursor = Cursors.Default;
btnCursor.BackgroundImage = Properties.Resources.Crosshair;
capturing = false;
ShowCapturedElement();
break;
}
case 0x0200: { //MouseMove
System.Windows.Point point = new System.Windows.Point(Cursor.Position.X, Cursor.Position.Y);
RecaptureElement(point, true);
}
break;
default:
break;
}
}
base.WndProc(ref m);
}
protected override void WndProc(ref Message m)
{
if (capturing)
{
switch (m.Msg)
{
case (int)QAliber.Recorder.Structures.MouseMessages.WM_LBUTTONUP:
User32.ReleaseCapture();
GDI32.RedrawWindow(capturedElement);
Cursor = Cursors.Default;
toolStripCapture.Image = Resources.Crosshair;
hotkey_HotkeyPressed(this, EventArgs.Empty);
capturing = false;
break;
case (int)QAliber.Recorder.Structures.MouseMessages.WM_MOUSEMOVE:
try
{
AutomationElement element = AutomationElement.FromPoint(new System.Windows.Point(Cursor.Position.X, Cursor.Position.Y));
if (!element.Equals(capturedElement))
{
GDI32.RedrawWindow(capturedElement);
GDI32.HighlightWindow(element);
capturedElement = element;
}
}
catch
{
}
break;
default:
break;
}
}
base.WndProc(ref m);
}