/// <summary>
/// Shows the drop down items of the button, as if the dropdown part has been clicked
/// </summary>
public void ShowDropDown()
{
if (Style == RibbonButtonStyle.Normal || DropDownItems.Count == 0)
{
CloseDropDown();
return;
}
if (Style == RibbonButtonStyle.DropDown)
{
SetPressed(true);
}
else
{
_dropDownPressed = true;
}
OnDropDownShowing(EventArgs.Empty);
CreateDropDown();
DropDown.Closed += new EventHandler(_dropDown_Closed);
DropDown.ShowSizingGrip = DropDownResizable;
RibbonPopup canvasdd = Canvas as RibbonPopup;
Point location = OnGetDropDownMenuLocation();
Size minsize = OnGetDropDownMenuSize();
if (canvasdd != null)
{
canvasdd.NextPopup = DropDown;
DropDown.PreviousPopup = canvasdd;
}
if (!minsize.IsEmpty)
{
DropDown.MinimumSize = minsize;
}
SetDropDownVisible(true);
DropDown.SelectionService = GetService(typeof(ISelectionService)) as ISelectionService;
DropDown.Show(location);
}
/// <summary>
/// Raises the MouseDown event
/// </summary>
/// <param name="e">Event data</param>
public virtual void OnMouseDown(MouseEventArgs e)
{
if (!Enabled)
{
return;
}
RibbonPopup pop = Canvas as RibbonPopup;
if (pop != null)
{
if (ClosesDropDownAt(e.Location))
{
pop.CloseAll();
}
}
if (MouseDown != null)
{
MouseDown(this, e);
}
SetPressed(true);
}