/// <summary>Sorts the dialog controls.</summary>
void SortDialogControls()
{
foreach (var control in controls)
{
var buttonBase = control as TaskDialogButtonBase;
var commandLink = control as TaskDialogCommandLink;
if (buttonBase != null && string.IsNullOrEmpty(buttonBase.Text) && commandLink != null &&
string.IsNullOrEmpty(commandLink.Instruction))
{
throw new InvalidOperationException(Resources.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(Resources.TaskDialogUnkownControl);
}
}
}
