/// <summary>
/// Indicates whether a mouse click at the specified point should be handled by the control.
/// </summary>
/// <param name="point">A Point indicating the position at which the mouse was clicked, in screen coordinates.</param>
/// <returns>true if a click at the specified point is to be handled by the control; otherwise, false.</returns>
protected override bool GetHitTest(Point point)
{
if (_richTextBox != null)
{
// Ask the control if it wants to process the point
bool ret = _richTextBox.DesignerGetHitTest(_richTextBox.PointToClient(point));
// If the navigator does not want the mouse point then make sure the
// tracking element is informed that the mouse has left the control
if (!ret && _lastHitTest)
{
_richTextBox.DesignerMouseLeave();
}
// Cache the last answer recovered
_lastHitTest = ret;
return(ret);
}
else
{
return(false);
}
}
/// <summary>
/// Receives a call when the mouse leaves the control.
/// </summary>
protected override void OnMouseLeave()
{
_richTextBox?.DesignerMouseLeave();
base.OnMouseLeave();
}