CTaskDialog::DoModal
显示 CTaskDialog 并使其模式。
INT_PTR DoModal (
HWND hParent = ::GetActiveWindow()
);
参数
- [in] hParent
CTaskDialog的父窗口。
返回值
对应于选定内容的整数由用户进行。
备注
显示 CTaskDialog的此实例。 应用程序然后等待用户关闭对话框。
当用户选择一个常见按钮，命令链接控件或关闭 CTaskDialog，CTaskDialog 关闭。 返回值是指示的标识符用户如何关闭对话框。
示例
// TODO: Replace the strings below with the appropriate message,
// main instruction, and dialog title
CString message("This is an important message to the user.");
CString mainInstruction("Important!\nPlease read!");
CString title("Alert Dialog");
CTaskDialog taskDialog(message, mainInstruction, title,
TDCBF_YES_BUTTON | TDCBF_NO_BUTTON | TDCBF_CANCEL_BUTTON );
// Setting new information to be able to reuse the dialog resource
taskDialog.SetWindowTitle(L"New title for the task dialog");
taskDialog.SetContent(L"New message to show the user.");
taskDialog.SetMainInstruction(L"Even more important!");
taskDialog.SetMainIcon(TD_ERROR_ICON);
taskDialog.SetDialogWidth(300);
// Add a footer
taskDialog.SetFooterText(L"Footer information for the dialog.");
taskDialog.SetFooterIcon(TD_INFORMATION_ICON);
// Add expansion information
taskDialog.SetExpansionArea(L"Additional information\non two lines.",
L"Click here for more information.",
L"Click here to hide the extra information.");
// Change the options to show the expanded information by default.
// It is necessary to retrieve the current options first.
int options = taskDialog.GetOptions();
options |= TDF_EXPANDED_BY_DEFAULT;
taskDialog.SetOptions(options);
taskDialog.DoModal();
要求
标头: afxtaskdialog.h