Resizing Support in WPF Split Button

The DropDownMenuGroup supports resizing, if the property IsResizable is set to true.

Setting IsResizable property to true:

<shared:SplitButtonAdv Label="Hello World" 
x:Name="button" SizeMode="Normal" SmallIcon="employee.png">
<shared:DropDownMenuGroup IsResizable=”True”>
<shared:DropDownMenuItem Header="Menu Item 1"/>
<shared:DropDownMenuItem Header="Menu Item 2"/>
<shared:DropDownMenuItem Header="Menu Item 3"/>
</shared:DropDownMenuGroup>
</shared:SplitButtonAdv>