public void Close(ToolStripDropDownCloseReason reason)
{
if (!this.Visible)
{
return;
}
// Give users a chance to cancel the close
ToolStripDropDownClosingEventArgs e = new ToolStripDropDownClosingEventArgs(reason);
this.OnClosing(e);
if (e.Cancel)
{
return;
}
// Don't actually close if AutoClose == true unless explicitly called
if (!this.auto_close && reason != ToolStripDropDownCloseReason.CloseCalled)
{
return;
}
// Detach from the tracker
ToolStripManager.AppClicked -= new EventHandler(ToolStripMenuTracker_AppClicked);;
ToolStripManager.AppFocusChange -= new EventHandler(ToolStripMenuTracker_AppFocusChange);
// Hide this dropdown
this.Hide();
// Owner MenuItem needs to be told to redraw (it's no longer selected)
if (owner_item != null)
{
owner_item.Invalidate();
}
// Recursive hide all child dropdowns
foreach (ToolStripItem tsi in this.Items)
{
tsi.Dismiss(reason);
}
SetOwnerControl(null);
this.OnClosed(new ToolStripDropDownClosedEventArgs(reason));
}
/// <summary>
/// Sets the icon on the specified item, from the specified action.
/// </summary>
/// <param name="item"></param>
/// <param name="action"></param>
/// <param name="iconSize"></param>
internal static void SetIcon(ToolStripItem item, IAction action, IconSize iconSize)
{
if (action.IconSet != null && action.ResourceResolver != null)
{
try
{
var oldImage = item.Image;
item.Image = action.IconSet.CreateIcon(iconSize, action.ResourceResolver);
if (oldImage != null)
oldImage.Dispose();
item.Invalidate();
}
catch (Exception e)
{
// the icon was either null or not found - log some helpful message
Platform.Log(LogLevel.Error, e);
}
}
}
private void ClearLastMouseDownedItem()
{
ToolStripItem lastMouseDownedItem = this.lastMouseDownedItem;
this.lastMouseDownedItem = null;
if (this.IsSelectionSuspended)
{
this.SetToolStripState(0x4000, false);
if (lastMouseDownedItem != null)
{
lastMouseDownedItem.Invalidate();
}
}
}
protected override void SetVisibleCore(bool visible)
{
if (this.Visible == visible)
{
return;
}
if (visible)
{
// TODO: Move here the code from Show().
if (currentMenu != null)
{
this.is_visible = true;
}
else
{
base.SetVisibleCore(visible);
}
}
else
{
// Give users a chance to cancel the close
ToolStripDropDownClosingEventArgs e = new ToolStripDropDownClosingEventArgs(closeReason);
this.OnClosing(e);
if (e.Cancel)
{
return;
}
// Don't actually close if AutoClose == true unless explicitly called
if (!this.auto_close && closeReason != ToolStripDropDownCloseReason.CloseCalled)
{
return;
}
// Detach from the tracker
ToolStripManager.AppClicked -= new EventHandler(ToolStripMenuTracker_AppClicked);;
ToolStripManager.AppFocusChange -= new EventHandler(ToolStripMenuTracker_AppFocusChange);
// Owner MenuItem needs to be told to redraw (it's no longer selected)
if (owner_item != null)
{
owner_item.Invalidate();
}
// Recursive hide all child dropdowns
foreach (ToolStripItem tsi in this.Items)
{
tsi.Dismiss(closeReason);
}
// Hide this dropdown
if (this.currentMenu != null)
{
this.currentMenu.CancelTracking();
this.is_visible = false;
}
else
{
base.SetVisibleCore(visible);
}
this.OnClosed(new ToolStripDropDownClosedEventArgs(closeReason));
}
}
