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CTaskDialog::IsRadioButtonEnabled

Determines whether a radio button is enabled.

BOOL IsRadioButtonEnabled(
   int nRadioButtonID
) const;

[in] nRadioButtonID

The ID of the radio button to test.

TRUE if the radio button is enabled, FALSE if it is not.

If nRadioButtonID is not a valid identifier for a radio button, this method throws an exception.

// 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 );

taskDialog.AddRadioButton(201, L"First option");
taskDialog.AddRadioButton(202, L"Second option");
taskDialog.AddRadioButton(203, L"Third option");

taskDialog.DoModal();
int selection = taskDialog.GetSelectedRadioButtonID();

switch(selection)
{
case 201:
    // TODO: Place processing here for the first  
    // radio button. 
    break;

case 202:
    // TODO: Place processing here for the second  
    // radio button. 
    break;

case 203:
    // TODO: Place processing here for the third  
    // radio button. 
    break;

default:
    break;
}

// Remove all the radio buttons so that we can use the same task 
// dialog with new radio buttons.
taskDialog.RemoveAllRadioButtons();

taskDialog.AddRadioButton(301, L"New first option");
taskDialog.AddRadioButton(302, L"New second option");
taskDialog.AddRadioButton(303, 
    L"New third option should be disabled");

// Change the default radio button to the second option
taskDialog.SetDefaultRadioButton(302);

// Make sure the third option is disabled. 
if (taskDialog.IsRadioButtonEnabled(303))
{
    taskDialog.SetRadioButtonOptions(303, FALSE);
}

taskDialog.DoModal();
selection = taskDialog.GetSelectedRadioButtonID();

switch(taskDialog.GetSelectedRadioButtonID())
{
case 301:
    // TODO: Place processing here for new first  
    // command button control. 
    break;

case 302:
    // TODO: Place processing here for new second  
    // command button control. 
    break;

case 303:
    // TODO: Place processing here for the new third  
    // command button control. 
    break;

default:
    break;
}

// Remove all the radio button controls and add new ones from 
// the string table resource.
taskDialog.RemoveAllRadioButtons();
taskDialog.LoadRadioButtons(1001, 1005);

Header: afxtaskdialog.h

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