Question

delphi错误：access violation at address 00531DA3 in module Read of address 00000000

procedure TForm12.Button15Click(Sender: TObject);
begin
form19.ShowModal;
end;
form19创建了，为什么每次一点按钮，就出现如上错误提示呢？
求帮忙~~

Answer 1

试试：
procedure TForm12.Button15Click(Sender: TObject);
begin
Application.CreateForm(Tform19.,form19);
form19.ShowModal;
form19.Free;
end;