Ejemplo n.º 1
0
        public IntPtr MsiGetRecordHandle(IntPtr hDatabase, IntPtr hView, int desiredRecordNumber)
        {
            int    index, rowcount = 0;
            IntPtr hRecord = IntPtr.Zero;
            string propertyFieldValue;
            uint   retVal = CwMsiWin32.ERROR_SUCCESS;

            //string colname;
            //IntPtr hColNames;

            //get first record
            retVal = CwMsiWin32.MsiViewFetch(hView, out hRecord);
            MsiThrowOnFailure(hDatabase, retVal, "MsiViewFetch");

            //loop through all records in this view
            do
            {
                index = 0;
                Dictionary <int, string> values = new Dictionary <int, string>();

                //get all fields in this record
                while (MsiRecordGetStringW(hRecord, (uint)index, out propertyFieldValue) == CwMsiWin32.ERROR_SUCCESS && propertyFieldValue != "")
                {
                    //string colname = MsiViewGetColumnInfo(hView, MSICOLINFO_NAMES, hColNames);
                    values[(int)index] = propertyFieldValue;
                    index++;
                }

                if (rowcount == desiredRecordNumber)
                {
                    break;
                }

                retVal = CwMsiWin32.MsiViewFetch(hView, out hRecord);
                rowcount++;
            }while (retVal != CwMsiWin32.ERROR_NO_MORE_ITEMS);

            return(hRecord);
        }
Ejemplo n.º 2
0
        public Dictionary <int, Dictionary <string, string> > MsiGetTableRows(IntPtr hDatabase, string tableName)
        {
            Dictionary <int, Dictionary <string, string> > tableRecords = new Dictionary <int, Dictionary <string, string> >();
            Dictionary <string, string> record = new Dictionary <string, string>();
            int    fieldcount = 0;
            uint   retVal     = CwMsiWin32.ERROR_SUCCESS;
            string propertyFieldValue;
            string selectQuery = "SELECT * FROM `" + tableName + "`";
            int    recordCount = 0;
            IntPtr hView       = IntPtr.Zero;
            IntPtr hRecord     = IntPtr.Zero;
            IntPtr hColnames   = IntPtr.Zero;

            retVal = CwMsiWin32.MsiDatabaseOpenViewW(hDatabase, selectQuery, out hView);
            //if we get bad syntax here, just keep going b/c it could just be an invalid table name..?
            if (retVal != CwMsiWin32.ERROR_BAD_QUERY_SYNTAX && retVal != CwMsiWin32.ERROR_SUCCESS)
            {
                MsiThrowOnFailure(hDatabase, retVal, "MsiDatabaseOpenViewW()");
            }
            if (retVal == CwMsiWin32.ERROR_BAD_QUERY_SYNTAX)
            {
                return(null);
            }

            retVal = CwMsiWin32.MsiViewExecute(hView, IntPtr.Zero);
            MsiThrowOnFailure(hDatabase, retVal, "MsiViewExecute()");

            // Loop through the properties and copy the ones passed in to this function
            do
            {
                //clear the record var
                record = new Dictionary <string, string>();

                //fetch the view
                retVal = CwMsiWin32.MsiViewFetch(hView, out hRecord);
                if (retVal != CwMsiWin32.ERROR_SUCCESS && retVal != CwMsiWin32.ERROR_NO_MORE_ITEMS)
                {
                    MsiThrowOnFailure(hDatabase, retVal, "MsiViewFetch");
                }
                if (retVal == CwMsiWin32.ERROR_NO_MORE_ITEMS)
                {
                    break;
                }

                //get the field count
                fieldcount = (int)CwMsiWin32.MsiRecordGetFieldCount(hRecord) + 1; //must add 1 b/c it ignores column 0..?!

                //get the column names
                retVal = CwMsiWin32.MsiViewGetColumnInfo(hView, CwMsiWin32.MSICOLINFO_NAMES, out hColnames);
                MsiThrowOnFailure(hDatabase, retVal, "MsiViewGetColumnInfo");
                string [] colnames = new string[fieldcount];

                //loop the number of times there are fields and get a column name for each
                for (int i = 0; i < fieldcount; i++)
                {
                    string thisColName = "";
                    MsiRecordGetStringW(hColnames, (uint)i, out thisColName);
                    if (thisColName == "" && i == 0) //primary key is 0
                    {
                        thisColName = "Primary Key";
                    }
                    else if (thisColName == "")
                    {
                        thisColName = "[unknown]";
                    }
                    colnames[i] = thisColName;
                }

                //loop through all fields, get the column name, and store in our dictionary
                for (int i = 0; i < fieldcount; i++)
                {
                    retVal = MsiRecordGetStringW(hRecord, (uint)i, out propertyFieldValue);
                    MsiThrowOnFailure(hDatabase, retVal, "MsiRecordGetStringW(hRecord," + i.ToString() + "," + propertyFieldValue + ")");
                    record[colnames[i]] = propertyFieldValue;
                }

                //save the record in our table of records
                tableRecords[recordCount] = record;

                retVal = CwMsiWin32.MsiCloseHandle(hRecord);
                MsiThrowOnFailure(hDatabase, retVal, "MsiCloseHandle(hRecord)");
                recordCount++;
            }while (retVal != CwMsiWin32.ERROR_NO_MORE_ITEMS);

            retVal = CwMsiWin32.MsiCloseHandle(hView);
            MsiThrowOnFailure(hDatabase, retVal, "MsiCloseHandle");

            return(tableRecords);
        }