Tim, CONTROL "Core", 750, "Button", BS_AUTOCHECKBOX|WS_TABSTOP, 80, 220, 40, 13 I note that when I create a default style checkbox in Workshop it looks like this: CHECKBOX "Checkbox", IDC_CHECKBOX1, 88, 20, 60, 12, BS_AUTOCHECKBOX | WS_TABSTOP Are you using a different ...