30 lines
695 B
C++
30 lines
695 B
C++
//
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// Copyright 2014 The ANGLE Project Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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//
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// com_utils.h: Utility functions for working with COM objects
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#ifndef UTIL_COM_UTILS_H
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#define UTIL_COM_UTILS_H
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template <typename outType>
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inline outType *DynamicCastComObject(IUnknown *object)
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{
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outType *outObject = nullptr;
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HRESULT result =
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object->QueryInterface(__uuidof(outType), reinterpret_cast<void **>(&outObject));
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if (SUCCEEDED(result))
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{
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return outObject;
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}
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else
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{
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SafeRelease(outObject);
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return nullptr;
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}
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}
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#endif // UTIL_COM_UTILS_H
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