P

ViewDisplayModel.Transparency

Description:
The percentage (0..100) of surface transparency 0 means the surfaces are opaque, 100 means they are fully transparent

public int Transparency { get; set; }

Public Property Transparency As Integer
Get
Set

public:
property int Transparency {
	int get ();
	void set (int value);
}

Autodesk.Revit.Exceptions.ArgumentOutOfRangeException

When setting this property: The value is invalid. The valid range is 0 through 100