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GetDlgItemInt fail when user enter more than 10 digits.

Posted on 2006-11-16
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Last Modified: 2008-01-09
I'm using vs2005 but only win32 libraries.

I have a IEdBoxEditor control.  If I enter more than 10 digits of interger number then my code below would fail to get the data.  success is return as 0.  How can correct this problem so there is no limit to the digits entered?  Thanks.

      intRet = (int)GetDlgItemInt(hwndDialog,IDC_INDEPENDENT_ENTRY_ID,&success, TRUE);
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Question by:lapucca
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Expert Comment

by:Raymun
ID: 17961889
use long
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Author Comment

by:lapucca
ID: 17962011
Tried it but it still doesn't work.  

longRet = (long)GetDlgItemInt(hwndDialog,IDC_INDEPENDENT_ENTRY_ID,&success, TRUE);

Thanks.
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Accepted Solution

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jkr earned 500 total points
ID: 17962219
That won't work since you still cast an int to a long, which leave the int limitations. Get that input as a string and convert it, e.g.

#include <stdlib.h>

//...

char acText [255];
char pcCnvEnd;
GetDlgItemText(hwndDialog,IDC_INDEPENDENT_ENTRY_ID,acText, sizeof(acText));

longRet = strtol(acText,&pcCnvEnd,10);

if (NULL == *pcCnvEnd) {

  // conversion successful, it is a valid integer value
}


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LVL 86

Expert Comment

by:jkr
ID: 17982081
Does that still cause trouble?
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Author Comment

by:lapucca
ID: 18010627
Sorry jkr, I haven't tried it.  I will when I return to work on Monday and will let you know.  Thanks.
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