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When I use MIDL to compile a IDL file to .h and .c, I get a error said:

midl : command line error MIDL1004 : cannot execute C preprocessor cl.exe.

Please kindly help me, I do not know why.

The MIDL compiler which I use is part of VC++ 6.0.

Thanks.

Ji Guorui
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1 Answers1

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It seems your environment is not correctly set. Try calling vcvars32 before compiling.

Please treat your mods well.
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