private void PerformClick()
{
SWF.ToolStripItem item = (SWF.ToolStripItem)Provider.Component;
if (item.Owner != null && item.Owner.InvokeRequired)
{
item.Owner.BeginInvoke(new SWF.MethodInvoker(PerformClick));
return;
}
var currentParent = item.OwnerItem as SWF.ToolStripMenuItem;
// Invoking without a visible parent results in exceptions
if (currentParent != null && !currentParent.DropDown.Visible)
{
return;
}
var dropdown = item as SWF.ToolStripDropDownItem;
bool hide = false;
if (dropdown != null)
{
hide = dropdown.Pressed;
}
// Make sure selection changes, or else another item's
// dropdown menu might still appear.
if (item.Owner != null)
{
item.Select();
}
item.PerformClick();
// PerformClick does _not_ show/hide the DropDown, so
// we must do this manually. On Vista, clicking the
// button appears to both Show the drop down and
// Perform a click, so we emulate that behavior.
if (dropdown != null && !(item is SWF.ToolStripSplitButton))
{
if (hide)
{
dropdown.HideDropDown();
}
else
{
dropdown.ShowDropDown();
}
}
}
internal virtual void ChangeSelection(ToolStripItem nextItem)
{
if (nextItem != null)
{
ToolStripControlHost host = nextItem as ToolStripControlHost;
if (base.ContainsFocus && !this.Focused)
{
this.FocusInternal();
if (host == null)
{
this.KeyboardActive = true;
}
}
if (host != null)
{
if (this.hwndThatLostFocus == IntPtr.Zero)
{
this.SnapFocus(System.Windows.Forms.UnsafeNativeMethods.GetFocus());
}
host.Control.Select();
host.Control.FocusInternal();
}
nextItem.Select();
ToolStripMenuItem item = nextItem as ToolStripMenuItem;
if ((item != null) && !this.IsDropDown)
{
item.HandleAutoExpansion();
}
}
}
internal virtual void ProcessDuplicateMnemonic(ToolStripItem item, char charCode)
{
if (this.CanProcessMnemonic() && (item != null))
{
this.SetFocusUnsafe();
item.Select();
}
}
internal void ChangeSelection (ToolStripItem nextItem)
{
if (Application.KeyboardCapture != this)
ToolStripManager.SetActiveToolStrip (this, ToolStripManager.ActivatedByKeyboard);
foreach (ToolStripItem tsi in this.Items)
if (tsi != nextItem)
tsi.Dismiss (ToolStripDropDownCloseReason.Keyboard);
ToolStripItem current = GetCurrentlySelectedItem ();
if (current != null && !(current is ToolStripControlHost))
this.FocusInternal (true);
if (nextItem is ToolStripControlHost)
(nextItem as ToolStripControlHost).Focus ();
nextItem.Select ();
if (nextItem.Parent is MenuStrip && (nextItem.Parent as MenuStrip).MenuDroppedDown)
(nextItem as ToolStripMenuItem).HandleAutoExpansion ();
}
/// <summary>
/// Assign ExpressionMemberContainer to each of Context Menu Strip's items that are child to specified item.
/// Item with value equal to current also gets selected.
/// Called from AssignContainerToContextMenuStrip and recursively calls itself.
/// </summary>
/// <param name="item">Current item.</param>
/// <param name="container">Container to be asigned.</param>
/// <param name="currentValue">Item with this value will be selected.</param>
private static void AssignContainerToContextMenuStrip_RecursivelyAssign(ToolStripItem item, ExpressionMemberContainer container, string currentValue)
{
if (!(item is ToolStripMenuItem))
return;
bool itemSelected = false;
foreach (ToolStripItem innerItem in ((ToolStripMenuItem)item).DropDownItems)
{
AssignContainerToContextMenuStrip_RecursivelyAssign(innerItem, container, currentValue);
itemSelected = itemSelected || item.Selected;
}
item.Tag = container;
if (container.Member.ValueDescription.AreEqual(container.Member.ValueToXml(item.Text), currentValue))
item.Select();
}
