MsiEnumComponentCostsA

function MsiEnumComponentCostsA(

  hInstall: MSIHANDLE;

  szComponent: LPCSTR;

  dwIndex: DWORD;

  iState: INSTALLSTATE;

  szDriveBuf: LPSTR;

  var pcchDriveBuf: DWORD;

  var piCost: INT;

  piTempCost: INT

):UINT;