Hello Bruce,
In NTaskDialog you need to have at least one button, user define or predefined.
To show the dialog without any buttons you can set PredefinedButtons to None and also you can create an user defined button and make it invisible:
NPushButtonElement
[] buttons = new NPushButtonElement[1];buttons[0] =
new NPushButtonElement();buttons[0].Visible =
false;dlg.UserButtons = buttons;
dlg.PredefinedButtons =
TaskDialogButtons.None;Regards,
Angel.