procedure TMain.FormMouseMove(Sender : TObeject; Shift: TShiftState;X,Y:Inter); begin if ssleft in shift then releasecapture; main.perform(WM_SYSCOMMAND,$F012,0); end;
if ssleft in shift then releasecapture; perform(WM_SYSCOMMAND,$F012,0); 2。在edit2 的onchange事件里写if length(edit2.text)=0 Then edit1.setfocus;
begin
if ssleft in shift then
releasecapture;
main.perform(WM_SYSCOMMAND,$F012,0);
end;
releasecapture;
perform(WM_SYSCOMMAND,$F012,0);
2。在edit2 的onchange事件里写if length(edit2.text)=0 Then
edit1.setfocus;