'Declaration
 
Protected Overridable Sub OnGroupCollapsing( _
   ByVal e As GroupExpansionChangingEventArgs _
) 

'Usage
 
Dim instance As DataGridControl
Dim e As GroupExpansionChangingEventArgs
 
instance.OnGroupCollapsing(e)

protected virtual void OnGroupCollapsing( 
   GroupExpansionChangingEventArgs e
)

Parameters

e

Target Platforms: Windows 11, Windows 10, Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

Reference

DataGridControl Class
DataGridControl Members