Microsoft P-Code

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Microsoft's P-Code, short for packed code, is an alternate binary format to native code for any compiled binary (eg: DLLs, ActiveX controls, or Applications). Its primary goal is to produce smaller files. Both the 16-bit Visual C++ and Visual Basic compilers support P-Code.

Using P-Code in Visual Basic

(Version 6) Open the project; open the Project Properties dialog; click on the Compile tab; click the option button Compile to P-Code.

Using P-Code in Visual C++

To turn on use of P-Code, use the Pragma directive, ie:

 //Turn P-Code on
 #pragma optimize("q", on)

 //Turn P-Code off
 #pragma optimize("q", off)

This feature is only supported in 16-bit version of Visual C++, however.

See also

• p-code machine (Pascal)

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