DDETerminate Method
Closes the specified dynamic data exchange (DDE) channel to another application.
expression.DDETerminate(Channel)
expression Optional. An expression that returns an Application object.
Channel Required Long. The channel number returned by the DDEInitiate method.
Example
This example creates a new workbook in Microsoft Excel and then terminates the DDE conversation.
Dim lngChannel As Long
lngChannel = DDEInitiate(App:="Excel", Topic:="System")
DDEExecute Channel:=lngChannel, Command:="[New(1)]"
DDETerminate Channel:=lngChannel