DetailExpandButtonMode Enum

Lists the values that specify whether master-detail expand buttons are displayed grayed out when their associated details don’t contain any data.

Namespace: DevExpress.XtraGrid.Views.Grid

Assembly: DevExpress.XtraGrid.v17.2.dll

Declaration

C#

public enum DetailExpandButtonMode

VB.NET

Public Enum DetailExpandButtonMode

Members

Name	Description
Default	The same as the DetailExpandButtonMode.CheckDefaultDetail option.
AlwaysEnabled	Master-detail expand buttons are always displayed in black.
CheckDefaultDetail	Display master-detail expand buttons as grayed out if the default detail is empty. The default detail is identified by the GridView.DefaultRelationIndex property
CheckAllDetails	Display master-detail expand buttons as grayed out if all details in the data source corresponding to a master row are empty. All details in the data source are checked, not only the details displayed by the Grid Control (see GridControl.ShowOnlyPredefinedDetails).

Related API Members

The following properties accept/return DetailExpandButtonMode values:

• GridOptionsDetail.SmartDetailExpandButtonMode

Remarks

The values listed by this enumeration are used to set the GridOptionsDetail.SmartDetailExpandButtonMode property.

Related GitHub Examples

The following code snippets (auto-collected from DevExpress Examples) contain references to the DetailExpandButtonMode enum.

Note

The algorithm used to collect these code examples remains a work in progress. Accordingly, the links and snippets below may produce inaccurate results. If you encounter an issue with code examples below, please use the feedback form on this page to report the issue.

C#

how-to-implement-the-inotifypropertychanged-interface-e435/CS/Form1.cs#L99

this.gridView1.OptionsDetail.AllowExpandEmptyDetails = true;
this.gridView1.OptionsDetail.SmartDetailExpandButtonMode = DevExpress.XtraGrid.Views.Grid.DetailExpandButtonMode.CheckAllDetails;
this.gridView1.OptionsView.NewItemRowPosition = DevExpress.XtraGrid.Views.Grid.NewItemRowPosition.Bottom;

how-to-display-only-rows-with-non-empty-details-e465/CS/WindowsApplication28/Form1.cs#L26

listDataSource.Add(new Record(4, "Michael", 42, listDataSource, null));
gridView1.OptionsDetail.SmartDetailExpandButtonMode = DevExpress.XtraGrid.Views.Grid.DetailExpandButtonMode.CheckAllDetails;
gridControl1.DataSource = listDataSource;

VB.NET

how-to-implement-the-inotifypropertychanged-interface-e435/VB/Form1.vb#L93

Me.gridView1.OptionsDetail.AllowExpandEmptyDetails = True
Me.gridView1.OptionsDetail.SmartDetailExpandButtonMode = DevExpress.XtraGrid.Views.Grid.DetailExpandButtonMode.CheckAllDetails
Me.gridView1.OptionsView.NewItemRowPosition = DevExpress.XtraGrid.Views.Grid.NewItemRowPosition.Bottom

how-to-display-only-rows-with-non-empty-details-e465/VB/WindowsApplication28/Form1.vb#L24

listDataSource.Add(New Record(4, "Michael", 42, listDataSource, Nothing))
gridView1.OptionsDetail.SmartDetailExpandButtonMode = DevExpress.XtraGrid.Views.Grid.DetailExpandButtonMode.CheckAllDetails
gridControl1.DataSource = listDataSource