Passes the specified command string to the DDE application, which is identified by the conversation ID. @DDEExecute is always used in conjunction with @DDEInitiate and @DDETerminate.

Initiates a conversation with a DDE server, and returns the conversation ID.

Deposits unsolicited data into the specified location within the DDE server application. If the data was successfully inserted into the target location, @DDEPoke returns an ACK (acknowledgement) with the value @True(1); if the attempt was not successful, the call returns a NACK (negative acknowledgment) with the value @False(0). If the conversation ID is invalid, an error is returned (see @IsError).

Terminates the conversation with a DDE application.