'Declaration Public Overridable Property ResourceKey As String
public virtual string ResourceKey {get; set;}
Activities that are unassigned will return null (or Nothing in Visual Basic .NET) from this property.
Target Platforms: Windows 10, Windows 8.1, Windows 8, 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