SpreadsheetControl.AfterOutlineButtonClick Event
Fires after a user clicks an outline button for row or column groups.
Namespace: DevExpress.XtraSpreadsheet
Assembly: DevExpress.XtraSpreadsheet.v24.1.dll
NuGet Package: DevExpress.Win.Spreadsheet
Declaration
Event Data
The AfterOutlineButtonClick event's data class is AfterOutlineButtonClickEventArgs. The following properties provide information specific to this event:
| Property | Description |
|---|---|
| IsRowOutline | Indicates whether a user clicked the outline button for row groups. |
| Level | Returns the group level that corresponds to the outline button a user clicked. |
Remarks
The WinForms Spreadsheet control ships with a set of events that allow you to control the expand/collapse operations for row and column groups in a worksheet.
The following events occur when a user clicks a plus 
/ minus 
symbol on the outline bar (or the Hide Detail/Show Detail button on the Data ribbon tab):
The following events occur when a user clicks one of the outline buttons 
to expand/collapse row or column groups:
- BeforeGroupProcessing
- BeforeOutlineButtonClick
AfterOutlineButtonClick- AfterGroupProcessing
The AfterOutlineButtonClick event fires after an outline button is clicked and the expand/collapse operation is executed. The event’s IsRowOutline argument allows you to determine whether a user clicked an outline button for row or column groups, and the Level argument returns the group level that corresponds to this outline button.