MsiSummaryInfoGetPropertyW

function MsiSummaryInfoGetPropertyW(

  hSummaryInfo: MSIHANDLE;

  uiProperty: UINT;

  var puiDataType: UINT;

  var piValue: Integer;

  var pftValue: FILETIME;

  szValueBuf: LPWSTR;

  var pcchValueBuf: DWORD

):UINT;