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September 2009 - Posts

Common WWSAPI errors: A NULL WS_STRUCT_DESCRIPTION was specified.

When you use WsUtil to generate stub code and then work with the generated structures, you may get E_INVALIDARG when making the call to the service and, with WWSAPI tracing turned on, see the error message “ A NULL WS_STRUCT_DESCRIPTION was specified.

WWSAPI to WCF interop 11: security binding templates

In my previous post on WsUtil , I explained how the generated helper functions can simplify the creation of WS_SERVICE_PROXY and WS_SERVICE_ENDPOINT. In both of these functions, the first parameter is a pointer to a same binding template. When no security
 
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