IParamInfo.Attribute Property

Gets or sets a pointer to an eParamAttr value that specifies the type of an attribute parameter.

Namespace:  Microsoft.VisualStudio.VsWizard
Assembly:  Microsoft.VisualStudio.VsWizard (in Microsoft.VisualStudio.VsWizard.dll)

eParamAttr Attribute { get; set; }

If the parameter type returned by the Attribute property is eparamOutRetval, specify that the parameter should be the last parameter in the function.

// In this example, oInterface is the interface 
// containing the function and its parameters.

var iRetVal = 0; 
var oFunctions = oInterface.Functions;
var oFunction = oFunctions.Item(iFunction)
var oParameters = oFunction.Parameters; 
var cDISPPARAMS = oParameters.Count;
var oParameter = oParameters.Item(cDISPPARAMS);
   
   if (oParameter.Attribute == eparamOutRetval)
   {
      // retval must be last.
      iRetVal = cDISPPARAMS;
      cDISPPARAMS--;
   }

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