Dim runOnceCommand1 As RunOnceCommand

Dim returnValue As Nullable(Of Integer)
returnValue = runOnceCommand1.Order

Dim sampleValue As Nullable(Of Integer)
runOnceCommand1.Order = sampleValue

Public Property Order() As Nullable(Of Integer)

public Nullable<int> Order {get; set;}

public:
property Nullable<int>^ Order {
		Nullable<int>^ get();
		void set(Nullable<int>^ value);
}

public Nullable<int> get_Order();
public void set_Order(Nullable<int>);

JScript does not support Generics.