GetPrintProcessorDirectory(null, null, 1, str, 1024, ref i);

        GetPrintProcessorDirectory(null, null, 1, str, 1024, ref i);

static extern bool GetPrintProcessorDirectory(StringBuilder pName, StringBuilder pEnv, int Level, [Out] StringBuilder outPath, int bufferSize,

Declare Function GetPrintProcessorDirectory Lib "winspool.dll" (TODO) As TODO

    static extern bool GetPrintProcessorDirectory(StringBuilder pName,

    GetPrintProcessorDirectory(null, null, 1, str, 1024, ref length );