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Checks if the data can be sent.
Declaration
Parameters
Description
Use this method to check whether the data can be sent (the socket is connected and/or ready for sending) Set WaitTime parameter to time, which the call will wait, until the socket is connected or until pending data in the outgoing buffer is sent. Set WaitTime to 0 for no wait and to -1 to wait until sending is possible, the socket is closed or error happens.