'Declaration Public Shared Function GetIsFirstInButtonGroup( _ ByVal d As DependencyObject _ ) As Boolean
public static bool GetIsFirstInButtonGroup( DependencyObject d )
This property is set by the ButtonGroup on the first visible tool it contains. It is intended for use within the style of the tool to trigger the display of top/left and bottom/left rounded corners.
Target Platforms: Windows 10, Windows 8.1, Windows 8, Windows 7, Windows Server 2012, 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