本文整理汇总了C++中microsoft::wrl::ComPtr::Show方法的典型用法代码示例。如果您正苦于以下问题：C++ ComPtr::Show方法的具体用法？C++ ComPtr::Show怎么用？C++ ComPtr::Show使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类microsoft::wrl::ComPtr的用法示例。
在下文中一共展示了ComPtr::Show方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: SaveCrashDump
/**
* This method handles the actual details of saving an assertion report. It will
* bring up the "File save as..." dialog and then write the report out to
* whichever file the user selects
*
* \return True if the user saved the file, false if they aborted the action
*/
bool AssertionDialog::SaveCrashDump() const
{
bool didSaveFile = false;
// Create the file save as dialog
Microsoft::WRL::ComPtr<IFileDialog> fileDialog;
HRESULT hr = CoCreateInstance(CLSID_FileSaveDialog, nullptr, CLSCTX_INPROC_SERVER, IID_PPV_ARGS(&fileDialog));
if (!SUCCEEDED(hr))
{
return false;
}
// File types supported
COMDLG_FILTERSPEC filters[] = { { L"Text Files", L"*.txt" } };
// Configure the save dialog with useful defaults
fileDialog->SetTitle(L"Save crash dump to a file");
fileDialog->SetFileTypes(ARRAYSIZE(filters), filters);
fileDialog->SetDefaultExtension(L"*.txt");
fileDialog->SetFileName(L"crash details.txt");
// Show the file save as dialog
fileDialog->Show(mWindowHandle);
// Find the name of the file they want to save the assertion report to.
// If the user didn't give an appropriate response, simply leave the filename
// to be null
Microsoft::WRL::ComPtr<IShellItem> dialogResult;
PWSTR filepath = nullptr;
hr = fileDialog->GetResult(&dialogResult);
if (SUCCEEDED(hr))
{
HRESULT hr = dialogResult->GetDisplayName(SIGDN_FILESYSPATH, &filepath);
if (SUCCEEDED(hr))
{
std::string fileContents = Utils::ConvertWideStringToUtf8(GetFileReportString());
// First we have to create the file
HANDLE fileHandle = CreateFile(
filepath,
GENERIC_WRITE,
0,
nullptr,
CREATE_ALWAYS,
FILE_ATTRIBUTE_NORMAL,
nullptr);
// Convert the text file to UTF8 and then write the string to disk.
WriteFile(
fileHandle,
fileContents.c_str(),
static_cast<DWORD>(fileContents.size()),
nullptr,
nullptr);
// Remember that we wrote the file out
didSaveFile = true;
}
}
// Now clean up. Release the dialog window and close the file stream.
CoTaskMemFree(filepath);
return didSaveFile;
}