Ejemplo n.º 1
0
        /**
         * Event Handler that is invoked when the Form is about to close - no matter
         * how the closing was invoked (by calling Form.Close, a Close button, the
         * x Button of a Form, etc).
         *
         * @param sender Event sender
         * @param e EventArgs that allow cancelling of the closing
         *
         */
        public virtual void TFrmPetra_Closing(System.Object sender, System.ComponentModel.CancelEventArgs e)
        {
            if (!CanClose() || !FTheForm.CanClose())
            {
                // MessageBox.Show('TFrmPetra.TFrmPetra_Closing: e.Cancel := true');
                e.Cancel = true;
            }
            else
            {
                // MessageBox.Show('TFrmPetra.TFrmPetra_Closing: GFormsList.Remove(Self as Form)');
                TFormsList.GFormsList.NotifyWindowClose(this.FWinForm.Handle);
                TFormsList.GFormsList.Remove(FWinForm);

                FWindowExtensions.TForm_Closing();
            }
        }
Ejemplo n.º 2
0
        /**
         * Event Handler that is invoked when the Form is about to close - no matter
         * how the closing was invoked (by calling Form.Close, a Close button, the
         * x Button of a Form, etc).
         *
         * @param sender Event sender
         * @param e EventArgs that allow cancelling of the closing
         *
         */
        public virtual void TFrmPetra_Closing(System.Object sender, System.ComponentModel.CancelEventArgs e)
        {
            if (!CanClose() || !FTheForm.CanClose())
            {
                // MessageBox.Show('TFrmPetra.TFrmPetra_Closing: e.Cancel := true');
                e.Cancel = true;
            }
            else
            {
                // MessageBox.Show('TFrmPetra.TFrmPetra_Closing: GFormsList.Remove(Self as Form)');
                TFormsList.GFormsList.NotifyWindowClose(this.FWinForm.Handle);
                TFormsList.GFormsList.Remove(FWinForm);

                FWindowExtensions.TForm_Closing();
                FStatusBar = null; // Throwing away my reference to the status bar may allow the form to be disposed,
                                   // and may avoid an exception in WriteToStatusBar, below.
            }
        }