ColumnDragOverEventArgs.SourceArea Property

Gets the source area where the drag operation started.

Namespace: DevExpress.Xpf.Grid

Assembly: DevExpress.Xpf.Grid.v26.1.Core.dll

Declaration

C#

public HeaderArea SourceArea { get; }

VB.NET

Public ReadOnly Property SourceArea As HeaderArea

Property Value

Type	Description
HeaderArea	The source area where the drag operation started.

Available values:

Name	Description
ColumnHeader	Indicates the Column Header area.
GroupPanel	Indicates the Group Panel area.
ColumnChooser	Indicates the Column Chooser area.
BandPanel	Indicates the Band Panel area.
Outside	Indicates the UI area outside of the GridControl.

Remarks

The following code snippet prevents users from dragging an item within the Group Panel:

C#

private void TableView_ColumnDragOver(object sender, ColumnDragOverEventArgs e) {
    if (e.SourceArea == HeaderArea.GroupPanel) {
        e.Cancel = true;
    }
}