Delphi, MDI vs Tabs for multi-document interface

Question

I\'m developing a multi-document application. Currently it uses MDI which is quite convenient for me (as a developer) as well as for users I believe. However there is one \"

Answer 1

To avoid the resizing animation (and thus the delay) of new MDI child windows, send a WM_SETREDRAW message to the parent TForm's ClientHandle property before creating your child windows, and then send it again when you are done, ie:

Self.Perform(WM_SETREDRAW, False, 0);
... create child windows as needed ...
Self.Perform(WM_SETREDRAW, True, 0);
Windows.InvalidateRect(Self.ClientHandle, nil, True);
Windows.UpdateWindow(Self.ClientHandle);