A string that identifies the Type of a custom marshaler.
This field is used only with UnmanagedType.CustomMarshaler and is required.
A custom marshaler is a type that is capable of marshaling calls from a specific managed type to a specific unmanaged type and vice versa.
Namespace: System.Runtime.InteropServices
Assembly: mscorlib (in mscorlib.dll)
Assembly Versions: 1.0.5000.0, 2.0.0.0