// Here we walk our controls collection and
// sort the various controls by type.
private void SortDialogControls()
{
foreach (TaskDialogControl control in controls)
{
TaskDialogButtonBase buttonBase = control as TaskDialogButtonBase;
TaskDialogCommandLink commandLink = control as TaskDialogCommandLink;
if (buttonBase != null && string.IsNullOrEmpty(buttonBase.Text) &&
commandLink != null && string.IsNullOrEmpty(commandLink.Instruction))
{
throw new InvalidOperationException(LocalizedMessages.TaskDialogButtonTextEmpty);
}
TaskDialogRadioButton radButton;
TaskDialogProgressBar progBar;
// Loop through child controls
// and sort the controls based on type.
if (commandLink != null)
{
commandLinks.Add(commandLink);
}
else if ((radButton = control as TaskDialogRadioButton) != null)
{
if (radioButtons == null)
{
radioButtons = new List <TaskDialogButtonBase>();
}
radioButtons.Add(radButton);
}
else if (buttonBase != null)
{
if (buttons == null)
{
buttons = new List <TaskDialogButtonBase>();
}
buttons.Add(buttonBase);
}
else if ((progBar = control as TaskDialogProgressBar) != null)
{
progressBar = progBar;
}
else
{
throw new InvalidOperationException(LocalizedMessages.TaskDialogUnkownControl);
}
}
}