CCW によるネイティブ COBOL からの .NET クラスの呼び出し
The COM-callable-wrapper (CCW) is a .NET technique for COM interoperability. CCW wraps managed code as a COM object so that native code can call it like any other COM object.
RCW によるネイティブ COBOL COM オブジェクトの呼び出し
The runtime-callable-wrapper (RCW) is a .NET technique for COM interoperability. RCW wraps a COM object so that the .NET runtime system can call it. It effectively exposes a COM interface so that managed code can call it.
プラットフォーム呼び出しとネイティブ COBOL の呼び出し
Platform Invoke is a .NET technique that enables managed code to call unmanaged functions implemented in dynamic link libraries (.dlls).
PInvoke サンプル
The supplied PInvoke sample demonstrates Platform Invoke.
.NET COBOL の相互運用における Callable 属性
To call methods from COBOL safely, you need to set the MicroFocus.COBOL.RuntimeServices.CallableAttribute attribute on the non-COBOL methods and on the class and assembly containing them