Re: How to get dialog size?

XP, VS C++ 2003.

My GUI skills are extremely rusty and I've never done COM controls before
so please forgive my description. I'm trying to fix a problem in a
program created by a programmer who is long gone.

The exe is a MDI program which has a main window. Frame, menu, etc. Menu
picks open instances of COM controls located in a whole bunch of DLLs, one
dialog per DLL.

The exe loads and initializes the dialog in the dll when the appropriate
menu pick is selected. The dialogs are opened inside the main frame, so
they are childs of the main exe frame.

When the dialogs are created, the dialog class initialization code calls:

GetWindowRect( &rLoc );
ScreenToClient( &rLoc );

to get the size of the child dialog. It uses that size to set the range
of the dialog scrollbars, etc.

I assume these COM controls are derived somewhere from CWindow, though I
can't figure out exactly where since I don't understand COM controls. I
hope that's not a show stopper.

The problem is that I don't get the size of the dialog as created and
sized in the dialog editor. I'm getting the size of the parent MDI
window. I don't care how big the parent is. I need the exact size as
created in the dialog editor.

How do I get the size of the dialog rather than the size parent window?