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PopupMenuShowingEventArgs.HitInfo Property

Provides access to information about the clicked visual element.

Namespace: DevExpress.XtraTreeList

Assembly: DevExpress.XtraTreeList.v24.2.dll

NuGet Packages: DevExpress.Win.Navigation, DevExpress.Win.TreeList

#Declaration

public TreeListHitInfo HitInfo { get; }

#Property Value

Type Description
TreeListHitInfo

An object that contains information about a visual element.

#Remarks

The Tree List shows a context menu when the user right-clicks within the following areas:

The HitInfo and MenuType event arguments allow you to determine the clicked visual element and the type of the menu that is about to be displayed.

#Example

The following code sample uses the the TreeList.PopupMenuShowing event to invoke a custom context menu when a user right-clicks a column header:

WinForms TreeList - Custom Column Context Menu

void TreeList1_PopupMenuShowing(object sender, PopupMenuShowingEventArgs e) {
    if (e.MenuType == TreeListMenuType.Column) {
        popupMenu_Column.Tag = e.HitInfo;
        popupMenu_Column.MenuCaption = $"{e.HitInfo.Column}";

        e.ShowCustomMenu(popupMenu_Column);
    }
}
TreeListHitInfo GetHitInfo(BarItemLink link) {
    PopupMenu menu = link.LinkedObject as PopupMenu;
    return menu.Tag as TreeListHitInfo;
}
void barButtonItem_Filter_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e) {
    TreeListHitInfo info = GetHitInfo(e.Link);
    info.Column.TreeList.ShowFilterEditor(info.Column);
}

void barButtonItem_ColumnChooser_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e) {
    TreeListHitInfo info = GetHitInfo(e.Link);
    info.Column.TreeList.ShowCustomization();
}
See Also