public method O2GMessagesTable.getNextRowByMultiColumnValues

Brief

Gets the next row from O2GMessagesTable based on the multiple columns values.

Declaration
C#
bool  getNextRowByMultiColumnValues (string[] columnNames, object[] columnValues, O2GTableIterator iterator, out O2GMessageTableRow row)

Parameters
columnNames

The array of column names in the Messages table. For example, MsgID, Time.
columnValues

The array of values of the columns specified by the columnNames parameter. For example, if you want to search the Messages table for market conditions messages from a specific sender only, the columnNames parameter value is an array of Feature and From, and the columnValues parameter is an array of 5 and the sender login ID.
iterator

The table iterator.
row

[out] The row fetched.

Details

This method allows finding all rows that contain all specified columns values.
If the row is not found, the method returns false.
Note: The returned row contains the current columns values. The values are not automatically updated. To monitor changes, use IO2GTableListener.onChanged. The row interface is thread-safe. The returned row can be used in different threads without synchronization.

Example

Get messages by market conditions type of the message content from a specific sender [hide]

    public void EnumerateMessagesByFeatureAndSender(string sFrom)
    {
        O2GMessagesTable messages = (O2GMessagesTable)mTblMgr.getTable(O2GTableType.Messages);
        O2GTableIterator iterator = new O2GTableIterator();
        O2GMessageTableRow message = null;
        string[] columnNames = new string[] { "Feature", "From" };
        object[] columnValues = new object[] { "5", sFrom };
        while (messages.getNextRowByMultiColumnValues(columnNames, columnValues, iterator, out message))
        {
            Console.WriteLine("MsgID={0}, From={1}, To={2}", message.MsgID, message.From, message.To);
        }
    }

Declared in O2GMessagesTable

back