Compiler Warning (level 2) C4302
Collapse the table of content
Expand the table of content
The document is archived and information here might be outdated

Compiler Warning (level 2) C4302

Error Message

'conversion' : truncation from 'type 1' to 'type 2'

The compiler detected a conversion from a larger type to a smaller type. Information may be lost.

This warning is off by default. See Compiler Warnings That Are Off by Default for more information.

The following sample generates C4302:

// C4302.cpp
// compile with: /W2
#pragma warning(default : 4302)
int main() {
   int i;
   char c = (char) &i;     // C4302
   short s = (short) &i;   // C4302
© 2016 Microsoft