A窗体中点击控件时打开B窗体
application.CreateForm(tfr_people,fr_people);
fr_people.Show;
但是在A窗体中连续点击几次时B窗体打开几个,我想能不能已经打开b窗体的情况下不能再打开b窗体呢?请高手帮忙。
application.CreateForm(tfr_people,fr_people);
fr_people.Show;
但是在A窗体中连续点击几次时B窗体打开几个,我想能不能已经打开b窗体的情况下不能再打开b窗体呢?请高手帮忙。
fr_people.ShowModal
else begin
fr_people:=fr_people.Create(Application);
fr_people.ShowModal;
end;
if fr_people <> nil then
fr_people.ShowModal
else
begin
application.CreateForm(tfr_people,fr_people);
fr_people.Show;
end;
后第一次点击时通过以后再点击时有错误提示不知道怎样通过呢?