Answer / hitesh dedhia

Using DoModal() function.
create a class of another dialog box.
and write a code in fist dialog box function.

Classname(second) variable_name;
variable_name.DoModl();

and define the new header file in fisrt dialog bob code.
like;
#include "classname.h"

Answer / dsk

Create a new dialog and this new dialog header file ie .h
file will be added to the main dialog.

Then in main dialog on button click, create an
varaible,varaible.Domodal()function.

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