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// Copyright (c) 2010 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "app/win/scoped_prop.h"
#include "base/win_util.h"
namespace app {
namespace win {
ScopedProp::ScopedProp(HWND hwnd, const std::wstring& key, HANDLE data)
: hwnd_(hwnd),
key_(key) {
BOOL result = SetProp(hwnd, key.c_str(), data);
// Failure to set a propery on a window is typically fatal. It means someone
// is going to ask for the property and get NULL. So, rather than crash later
// on when someone expects a non-NULL value we crash here in hopes of
// diagnosing the failure.
CHECK(result) << win_util::FormatLastWin32Error();
}
ScopedProp::~ScopedProp() {
DCHECK(IsWindow(hwnd_));
RemoveProp(hwnd_, key_.c_str());
}
} // namespace win
} // namespace app
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