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exchanging parameters with a modal dialog [message #26444]

Fri, 24 August 2001 15:57

Rick Baer
Messages: 6
Registered: November 1999

Junior Member

What is the most elegant way to exchange data with a modal dialog box? I
would like to change some parameters that exist within the scope of the main
program. These parameters are currently part of the info structure of the
main program, so they are like member variables of the "App" class (in MFC
parlance). I could include the ID of the top-level base of the main program
in the user data of the modal dialog, and then use widget_control to access
the uvalue and modify the parameters. This would be like passing the
"theApp" pointer and dereferencing it. Alternatively, I could just place the
parameters in a common block. It would be much simpler, but I could only run
one invocation of the program at a time. Any recommendations?

Rick Baer

Agilent Technologies

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