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