[C#/Java]
event GSSReleaseBufferMethod release_buffer;
delegate int GSSReleaseBufferMethod(ref int minor_status, ref GSSBufferDescbuffer);
[VB.NET]
Event release_buffer As GSSReleaseBufferMethod
Delegate Function GSSReleaseBufferMethod(ByRef minor_status As Integer, ByRef buffer As GSSBufferDesc) As Integer