public PostInvokeCommand Invoke()
{
this.SetEmptyMenuReturnCommand(false);
MenuOptionKey?selectedOption = null;
while (true)
{
selectedOption = MenuOptionKeyService.GetOptionKey(this.Label, this._optionses.ToReadOnly(), selectedOption, true);
if (selectedOption is null)
{
return(PostInvokeCommand.StayInSubmenu);
}
switch (this._optionses[selectedOption.Value].Invoke())
{
case PostInvokeCommand.StayInSubmenu:
continue;
case PostInvokeCommand.ExitSubmenu:
return(PostInvokeCommand.StayInSubmenu);
case PostInvokeCommand.ExitRootMenu:
return(PostInvokeCommand.ExitRootMenu);
default:
throw new ArgumentOutOfRangeException();
}
}
}
public void InvokeAsRootMenu()
{
this.SetEmptyMenuReturnCommand(true);
MenuOptionKey?selectedOption = null;
while (true)
{
selectedOption = MenuOptionKeyService.GetOptionKey(this.Label, this._optionses.ToReadOnly(), selectedOption, false);
if (this._optionses[selectedOption.Value].Invoke() == PostInvokeCommand.ExitRootMenu)
{
return;
}
}
}
