Exemplo n.º 1
0
func (dlg *Dialog) SetDefaultButton(button *PushButton) error {
	if button != nil && !win.IsChild(dlg.hWnd, button.hWnd) {
		return newError("not a descendant of the dialog")
	}

	succeeded := false
	if dlg.defaultButton != nil {
		if err := dlg.defaultButton.setAndClearStyleBits(win.BS_PUSHBUTTON, win.BS_DEFPUSHBUTTON); err != nil {
			return err
		}
		defer func() {
			if !succeeded {
				dlg.defaultButton.setAndClearStyleBits(win.BS_DEFPUSHBUTTON, win.BS_PUSHBUTTON)
			}
		}()
	}

	if button != nil {
		if err := button.setAndClearStyleBits(win.BS_DEFPUSHBUTTON, win.BS_PUSHBUTTON); err != nil {
			return err
		}
	}

	dlg.defaultButton = button

	succeeded = true

	return nil
}
Exemplo n.º 2
0
func (dlg *Dialog) SetCancelButton(button *PushButton) error {
	if button != nil && !win.IsChild(dlg.hWnd, button.hWnd) {
		return newError("not a descendant of the dialog")
	}

	dlg.cancelButton = button

	return nil
}