JamBaseShellListViewBeforeShowContextMenu Event

This event is called before the ShellContextMenu is displayed. You may use it to cancel the context menu appearing or to modify the custom menu entries in the ContextMenuStrip.

Namespace: Jam.Shell
Assembly: ShellBrowser (in ShellBrowser.dll) Version: 7.1

Syntax

C++

Copy

public event EventHandler<ListSelectionCancelEventArgs> BeforeShowContextMenu

Public Event BeforeShowContextMenu As EventHandler(Of ListSelectionCancelEventArgs)

public:
 event EventHandler<ListSelectionCancelEventArgs^>^ BeforeShowContextMenu {
	void add (EventHandler<ListSelectionCancelEventArgs^>^ value);
	void remove (EventHandler<ListSelectionCancelEventArgs^>^ value);
}

member BeforeShowContextMenu : IEvent<EventHandler<ListSelectionCancelEventArgs>,
    ListSelectionCancelEventArgs>

Value

Type: SystemEventHandlerListSelectionCancelEventArgs

Remarks

When modifying the context menu, you may set the following properties of single items: Checked, Enabled, Visible.

Examples

Copy

//The following example hides the first menu item from the custom context menu that is assigned to the "ContextMenuStrip" property
// of the ShellListView, if the context menu is assigned to more than one item.
// Supported properties of the items are: Checked, Visible, Enabled.
private void ShellListView1_BeforeShowContextMenu(object sender, ListSelectionCancelEventArgs e)
{
    ((ToolStripMenuItem)contextMenuStrip1.Items[0]).Visible = e.Selection.Count == 1;
}

Reference

JamBaseShellListView Class

Jam.Shell Namespace

JamBaseShellListViewAddLanguageSpecificTextSet("LST1F5955A2_0?cpp=::|nu=.");BeforeShowContextMenu Event

Value

Reference

JamBaseShellListViewBeforeShowContextMenu Event