private void HandleMouseMoved()
{
if (Cursor.Position.Equals(lastPosition))
{
return;
}
lastPosition = Cursor.Position;
var screenRect = new Rectangle(0, 0, this.Width, this.Height);
screenRect = this.RectangleToScreen(screenRect);
if (IsMouseOverUs(lastPosition))
{
// The mouse moved, but not over us!
MouseHider.Show();
}
if (screenRect.Contains(lastPosition))
{
MouseHider.Show();
HideMouseTimer.Enabled = false;
HideMouseTimer.Enabled = true;
}
else
{
HideMouseTimer.Enabled = false;
MouseHider.Show();
}
}
private void HideMouseTimer_Tick(object sender, EventArgs e)
{
HideMouseTimer.Enabled = false;
if (IsMouseOverUs(lastPosition))
{
MouseHider.Hide();
}
else
{
MouseHider.Show();
}
}
private bool IsMouseOverUs(Point mouseScreenPosition)
{
if (!this.IsHandleCreated ||
this.childCanvas == null ||
!this.childCanvas.IsHandleCreated)
{
return(false);
}
var overHandle = MouseHider.GetHWndAtPoint(mouseScreenPosition);
if (this.Handle == overHandle ||
this.childCanvas.Handle == overHandle)
{
return(true);
}
return(false);
}