GraphPlaceholder Method

public Operation Placeholder(
	DataType dtype,
	long[] shape = null,
	string opName = "Placeholder"
)

Public Function Placeholder ( 
	dtype As DataType,
	Optional shape As Long() = Nothing,
	Optional opName As String = "Placeholder"
) As Operation

public:
Operation^ Placeholder(
	DataType dtype, 
	array<long long>^ shape = nullptr, 
	String^ opName = L"Placeholder"
)

member Placeholder : 
        dtype : DataType * 
        ?shape : int64[] * 
        ?opName : string 
(* Defaults:
        let _shape = defaultArg shape null
        let _opName = defaultArg opName "Placeholder"
*)
-> Operation