Invoke

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IPBX_UserObject interface:

Invoke method

Description

Calls methods in PowerBuilder native classes.

Syntax

Invoke(IPB_Session * session, pbobject obj, pbmethodID mid, PBCallInfo *ci)

Argument	Description
session	This IPB session
obj	The PowerBuilder extension object to be invoked
mid	The pbMethodID returned by GetMethodID
ci	The parameters and return value setting for the call

Return Values

PBXRESULT.PBX_OK for success.

Examples

In this example, the method invoked depends on the value (0, 1, or 2) of the method ID returned from the GetMethodID method:

PBXRESULT PBNIExt::Invoke
   (
   IPB_Session   *session, 
   pbobject   obj, 
   pbmethodID   mid,
   PBCallInfo   *ci
   )
{
   PBXRESULT result = PBX_OK;
 
   switch (mid)
   {
   case mFuncA:
      result = FuncA(session, obj, ci);
      break;
   case mFuncB:
      result = FuncB(session, obj, ci);
      break;
   case mFuncC:
      result = FuncC(session, obj, ci);
      break;
   default:
      result = PBX_E_INVOKE_FAILURE;
      break;
   }
 
   return PBX_OK;
}