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CTaskDialog::SetMainInstruction

Updates the main instruction of the CTaskDialog.

void SetMainInstruction(
   const CString& strInstructions
);

[in] strInstructions

The new main instruction.

The main instruction of the CTaskDialog Class is text displayed to the user in a large bold font. It is located in the dialog box underneath the title bar.

// 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();

Header: afxtaskdialog.h

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