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CString

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DigitalOx

DigitalOx

Programmer
Sep 29, 1998
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How do I convert a CString data to a double?<br>
I need to perform calculations on string input.<br>
//This doesn't work - how to do it?<br>
CString string;<br>
double thedouble;<br>
thedouble = (double) string;<br>
<br>
DigitalOx<br>

 
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You can cast a CString to LPCSTR, then use atof to convert it to a double. Just change your third line to:<br>
<br>
thedouble = atof((LPCSTR)string);<br>

 
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It is a good idea to validate the string for proper format (i.e. valid numeric and '.' characters) before you pass it to the atof function.
 
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