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CString str(&quot;2342353465664&quot;);<br />
<br />
_atoi64(str.GetBuffer());<br />

</div>


CString str("2342353465664");

_atoi64(str.GetBuffer());


<div>
Hi Rajeev,<br />
<br />
Thanks. Why would the first one be error prone?
</div>


Hi Rajeev,

Thanks. Why would the first one be error prone?

<div>
Two reasons<br />
<br />
1. GetBuffer(int nMinBufLength ); &nbsp;takes one parameter.<br />
<br />
2. You need to store the converted value somewhere :)<br />
__int64 data = 
</div>


Two reasons

1. GetBuffer(int nMinBufLength );  takes one parameter.

2. You need to store the converted value somewhere :)
__int64 data =

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<div class="content wysiwyg-content">
Hi Experts,<br />
<br />
How can I change a CString to 64 bit integer? &nbsp;
</div>
</div>


Hi Experts,

How can I change a CString to 64 bit integer?  

How to change CString to a 64 bit integer

C++ is an intermediate-level general-purpose programming language, not to be confused with C or C#. It was developed as a set of extensions to the C programming language to improve type-safety and add support for automatic resource management, object-orientation, generic programming, and exception handling, among other features.