control may tell the dialog that it caused the dismissal of a dialog, by
calling {\bf wxDialog::EndModal} or {\bf wxWindow::SetReturnCode}. Using this
information, {\bf ShowModal} now returns the id of the control that caused dismissal,
control may tell the dialog that it caused the dismissal of a dialog, by
calling {\bf wxDialog::EndModal} or {\bf wxWindow::SetReturnCode}. Using this
information, {\bf ShowModal} now returns the id of the control that caused dismissal,