Get original Guid that this model was created with. Guid may be modified to ensure all models within a sheet have unique Guids. If the same model is appended to a sheet twice, each model has the same SourceGuid but different Guids.

Public ReadOnly Property SourceGuid As Guid
	Get

public Guid SourceGuid { get; }

public:
property Guid SourceGuid {
	Guid get ();
}