Executing a Command
Some DDE servers can execute commands. These commands are identified by command strings, which can be sent to them within the current conversation.
To send a command to a DDE server:
DdeExecute(<service>, <topic>, <string>)
"Service" and "Topic" identify the conversation in which the command is sent. This conversation must be started with:
and may not have been finished with:
"String" is the command to be executed by the server.