想在主窗体mainform中调用子窗体(用一个edit输入窗体编码,然后按钮就调用子窗体),因为子窗体太多,有60多个,不想用if then来判断,想用一段程序来实现,不知道哪位做过类似的程序,谢谢了!
要用到如下代码:if not assigned(f_A1101) then
begin
application.CreateForm(tf_A1101,f_A1101);
try
f_A1101.showmodal;
finally
FreeAndNil(f_A1101);
end;
end
else
f_A1101.show;
要用到如下代码:if not assigned(f_A1101) then
begin
application.CreateForm(tf_A1101,f_A1101);
try
f_A1101.showmodal;
finally
FreeAndNil(f_A1101);
end;
end
else
f_A1101.show;
XXX.showmodal;这一步很不好实现,能否给出一个具体点的!谢谢
begin
application.CreateForm(FormClass,reference);
try
Tform(reference).ShowModal;
finally
Tform(reference).Free;
end;
end;
传入参数就可以创建了,例如:createmyform(Tform3,form3);
prodedure OpenForm(formclass : TFormclass;var Form);
begin
if not assigned(TForm(Form)) then
begin
application.CreateForm(formclass,Form);
//以后是你的操作
end;
end;
Begin
With AForm.Create(nil) do
try
ShowModal;
finally
Free;
end;
End;
还可以定义自己的openchildform