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43 lines
951 B
43 lines
951 B
// Copyright (c) 1993-1999 Microsoft Corporation
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#ifndef _TIUTIL_H_
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#define _TIUTIL_H_
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// This is a special value that is used internally for marshaling interfaces
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#define VT_INTERFACE (VT_CLSID+1)
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#define VT_MULTIINDIRECTIONS (VT_TYPEMASK - 1)
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#define IfFailGo(expression, label) \
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{ hresult = (expression); \
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if(FAILED(hresult)) \
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goto label; \
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}
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#define IfFailRet(expression) \
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{ HRESULT hresult = (expression); \
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if(FAILED(hresult)) \
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return hresult; \
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}
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class PARAMINFO;
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HRESULT
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VarVtOfTypeDesc(
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IN ITypeInfo * pTypeInfo,
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IN TYPEDESC * pTypeDesc,
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OUT PARAMINFO * pParamInfo);
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HRESULT
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VarVtOfUDT(
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IN ITypeInfo * pTypeInfo,
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IN TYPEDESC * pTypeDesc,
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OUT PARAMINFO * pParamInfo);
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HRESULT VarVtOfIface(
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IN ITypeInfo * pTypeInfo,
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IN TYPEATTR * pTypeAttr,
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OUT PARAMINFO * pParamInfo);
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#endif //_TIUTIL_H_
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