| C1.WPF.DataGrid Namespace > DataGridViewProperties Class : IsDraggingVerticalFreezingSeparator Property | 
'DeclarationPublic Property IsDraggingVerticalFreezingSeparator As System.Boolean
public System.bool IsDraggingVerticalFreezingSeparator {get; set;}
true if the vertical freezing separator is being dragged; otherwise, false.Target Platforms: 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