Solved

How to access Variables in different dialog box

Posted on 2013-06-14
3
282 Views
Last Modified: 2013-06-16
My application is a Dialog box. Within my app, there is a button, which when pressed another dialog appears.

My questions is, am I able to access Global Variables from here, and can I access controls as I normally would?

For instance, from the second dialog, I want to check the contents of an edit field in the first one.

Thank you
0
Comment
Question by:edvinson
  • 2
3 Comments
 
LVL 86

Expert Comment

by:jkr
ID: 39249102
If you have the window handle and the control IDs, you can just gather or set the data like in your own dialog. E.g.

#define ID_TEXTFIELD 1234 // finding that is the tricky part
HWND hwnd = FindWindow(NULL,_T("Dialog Title"));

TCHAR acText[256];

GetDlgItemText(hwnd,ID_TEXTFIELD,acText,256);

Open in new window

0
 
LVL 1

Author Comment

by:edvinson
ID: 39250888
Ok, let me elaborate a bit...

My main dialog is defined as IDD_DIALOG1

I have another dialog ( which is not shown until a button is pressed ) defined as IDD_DIALOG2

Inside of IDD_DIALOG2 is a textfield, defined as IDC_PRINT.

Question:

How do I retrieve IDC_PRINT from IDD_DIALOG1?

Could I copy the value of IDC_PRINT to a global variable, and simply access it that way from IDD_DIALOG1? If so, how?

Thanks!
0
 
LVL 86

Accepted Solution

by:
jkr earned 500 total points
ID: 39251347
Just like in the above - if you have the definitions ready (which I assume you have, since both are in your app) all you need is the 2nd dialog's windoe handle:

TCHAR acText[256];

GetDlgItemText(hwndDlg2,IDC_PRINT,acText,256);
                                            

Open in new window

0

Featured Post

Announcing the Most Valuable Experts of 2016

MVEs are more concerned with the satisfaction of those they help than with the considerable points they can earn. They are the types of people you feel privileged to call colleagues. Join us in honoring this amazing group of Experts.

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

Suggested Solutions

Title # Comments Views Activity
C++ :Change value from  DisableCMD registry 4 65
FMX TCameraComponent Problem 2 82
Copy output image from TWindowsMediaPlayer 6 48
Outlook 13 41
Templates For Beginners Or How To Encourage The Compiler To Work For You Introduction This tutorial is targeted at the reader who is, perhaps, familiar with the basics of C++ but would prefer a little slower introduction to the more ad…
Many modern programming languages support the concept of a property -- a class member that combines characteristics of both a data member and a method.  These are sometimes called "smart fields" because you can add logic that is applied automaticall…
The viewer will learn how to use the return statement in functions in C++. The video will also teach the user how to pass data to a function and have the function return data back for further processing.
The viewer will learn how to clear a vector as well as how to detect empty vectors in C++.

840 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question