windowsforms-devexpress-dot-xtragantt-dot-ganttcontrol-afa08078.md
Allows you to customize the default menus for column headers, summary footers, and nodes.
Namespace : DevExpress.XtraGantt
Assembly : DevExpress.XtraGantt.v25.2.dll
NuGet Package : DevExpress.Win.Gantt
[DXCategory("Behavior")]
public event PopupMenuShowingEventHandler TreeListPopupMenuShowing
<DXCategory("Behavior")>
Public Event TreeListPopupMenuShowing As PopupMenuShowingEventHandler
The TreeListPopupMenuShowing event's data class is PopupMenuShowingEventArgs. The following properties provide information specific to this event:
| Property | Description |
|---|---|
| Allow | Gets or sets whether to display the context menu. Inherited from BasePopupMenuShowingEventArgs. |
| HitInfo | Provides access to information about the clicked visual element. |
| Menu | Gets or sets the control’s popup menu that will be shown. |
| MenuType | Gets the type of the context menu that is about to be shown. |
| Point | Gets or sets coordinates of the invoked context menu (top-left corner) relative to the parent control. Inherited from BasePopupMenuShowingEventArgs. |
| ScreenPoint | Gets coordinates of the invoked context menu (top-left corner) relative to the screen. Inherited from BasePopupMenuShowingEventArgs. |
The event data class exposes the following methods:
| Method | Description |
|---|---|
| ShowCustomMenu(IDXDropDownControlEx) | Invokes a custom context menu instead of the control’s menu. Inherited from BasePopupMenuShowingEventArgs. |
| ShowCustomMenu(ContextMenuStrip) | Invokes a custom context menu instead of the control’s menu. Inherited from BasePopupMenuShowingEventArgs. |
The TreeListPopupMenuShowing event fires when a pop-up menu is about to be shown in the tree area. See the TreeList.PopupMenuShowing event for more information.
See Also