CTaskDialog::IsRadioButtonEnabled

Article
06/10/2015

Détermine si une case d'option est activée.

BOOL IsRadioButtonEnabled(
   int nRadioButtonID
) const;

Paramètres

[in] nRadioButtonID
L'ID de la case d'option à tester.

Valeur de retour

TRUE si la case d'option est activée, FALSE s'il n'est pas.

Notes

Si nRadioButtonID n'est pas un identificateur valide pour une case d'option, les lève une exception.

Exemple

// 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);