writing to files

[ferryjenny]

I am trying to write the contents of an edit box to a txt file however it is not working. When the dialog is first opened the edit box contains some text and the user then changes this text. I have written the code below to write the text in the edit box to a file.

FILE* fp;

if((fp = fopen("file.txt","w&quot)==NULL)
{
AfxMessageBox("the file was not opened"
exit(0);
}

fputs(_editbox,fp);

However this only writes the text that was in the edit box initially and not the new text that the user has entered. Thanks for any help received.

 

[davidewan]

Add a command button (e.g.OK) to the form and add a callback when the user presses the command button. Do your file io then.

 

[ferryjenny]

This is what I have done however it is not working.

 

[palbano]

> However this only writes the text that was in the edit box initially
> and not the new text that the user has entered.

> fputs(_editbox,fp);

If the variable '_editbox' is a CString that is mapped to the edit control using MFC DDX then you need to do this at the top of the function:

UpdateData();

That transfers the current contents of the edit window into the CString variable.

Hope this helps
-pete