Get TextBox Value and display it to messagebox in MFC

by **BattleStar-Galactica** » Thu Jun 07, 2007 10:01 pm

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by **BattleStar-Galactica** » Thu Jun 07, 2007 10:01 pm

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by **BattleStar-Galactica** » Thu Jun 07, 2007 10:02 pm

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by **BattleStar-Galactica** » Thu Jun 07, 2007 10:02 pm

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by **BattleStar-Galactica** » Thu Jun 07, 2007 10:03 pm

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by **Departure** » Thu Jun 07, 2007 10:21 pm

I did everything you said to but i got errors :O(

Code: Select all: Compiling... myappfirst.cpp c:\myappfirst\myappfirstdlg.h(46) : error C2275: 'CString' : illegal use of this type as an expression c:\program files\microsoft visual studio\vc98\mfc\include\afx.h(368) : see declaration of 'CString' c:\myappfirst\myappfirstdlg.h(46) : error C2057: expected constant expression c:\myappfirst\myappfirstdlg.h(46) : error C2501: 'Public' : missing storage-class or type specifiers c:\myappfirst\myappfirstdlg.h(46) : error C2146: syntax error : missing ';' before identifier 'strTextBoxValue' c:\myappfirst\myappfirstdlg.h(46) : error C2501: 'strTextBoxValue' : missing storage-class or type specifiers myappfirstDlg.cpp c:\myappfirst\myappfirstdlg.h(46) : error C2275: 'CString' : illegal use of this type as an expression c:\program files\microsoft visual studio\vc98\mfc\include\afx.h(368) : see declaration of 'CString' c:\myappfirst\myappfirstdlg.h(46) : error C2057: expected constant expression c:\myappfirst\myappfirstdlg.h(46) : error C2501: 'Public' : missing storage-class or type specifiers c:\myappfirst\myappfirstdlg.h(46) : error C2146: syntax error : missing ';' before identifier 'strTextBoxValue' c:\myappfirst\myappfirstdlg.h(46) : error C2501: 'strTextBoxValue' : missing storage-class or type specifiers C:\myappfirst\myappfirstDlg.cpp(177) : error C2065: 'strTextBoxValue' : undeclared identifier Generating Code... Error executing cl.exe. myappfirst.exe - 11 error(s), 0 warning(s)

Edit://
Problem fixed, I had a Capital P in "public" instead of a lower case p.

Danmm no room for typos in MFC

by **BattleStar-Galactica** » Thu Jun 07, 2007 10:43 pm

are you able to make it work like pic18 :wink:

by **Departure** » Thu Jun 07, 2007 10:45 pm

yes after i changed the "P" in public to "p"

by **BattleStar-Galactica** » Thu Jun 07, 2007 11:26 pm

that is the way to get edit control value in MFC properly but try this one, this is the way too get edit control value in c++(WIN32)

char* strTextBoxVal;
HWND hTextBox = ::GetDlgItem(this->m_hWnd,IDC_EDIT1);
int lenght=::GetWindowTextLength(hTextBox);

strTextBoxVal = new char[lenght + 1]; //allocated memory
::SendMessage(hTextBox,WM_GETTEXT,(WPARAM)lenght + 1,(LPARAM)strTextBoxVal);
::MessageBox(NULL,strTextBoxVal,strTextBoxVal,MB_OK);
delete strTextBoxVal; //clean up memory, you have to it manually in c++

by **BattleStar-Galactica** » Fri Jun 08, 2007 12:43 am

two other function to get edit control value

GetDlgItemInt and GetDlgItemText

read msdn to know how to use them or ask me

by **BattleStar-Galactica** » Fri Jun 08, 2007 3:53 pm

should I continue this with an other method that will get the same result but I think a little bit confusing for vb6 programmer with that method I think I will wait.

what is that method is created a class derived from CEdit class.

lets me know if it's enough for you for now

by **Departure** » Sat Jun 09, 2007 1:09 am

thanks nano, I will be playing around with it some more today :O)

great tutorial and I look forward to seeing more :O)

by **locohacker** » Sat Jun 09, 2007 8:41 am

YOOOOOO, this is a super kick asz tutorial, damn I can finnaly learn c+++ god bless ya

Get TextBox Value and display it to messagebox in MFC

Get TextBox Value and display it to messagebox in MFC

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