|
Syntax
|
DDEInitiate
(application$, topic$)
|
|
Description
|
Initializes a DDE link to another application and returns a unique number subsequently used to refer to the open DDE channel.
|
|
Comments
|
The
DDEInitiate
statement takes the following parameters:
|
|
|
Parameter
|
Description
|
|
|
Application$
|
String containing the name of the application (the server) with which a DDE conversation will be established.
|
|
|
Topic$
|
String containing the name of the topic for the conversation. The possible values for this parameter are described in the documentation for the server application.
|
|
|
This function returns 0 if the link cannot be established. This will occur under any of the following circumstances:
- The specified application is not running.
- The topic was invalid for that application.
- Memory or system resources are insufficient to establish the DDE link.
|
|
Example
|
This example sets and retrieves a cell in an Excel spreadsheet.
Sub Main()
????Dim cmd,q,ch%
????q = Chr(34)??' Define quotation marks.
??
????id = Shell("c:\excel5\excel.exe",3)??'Start Excel.
????ch% = DDEInitiate("Excel","Sheet1")
??
????On Error Resume Next
????cmd = "[ACTIVATE(" & q &"SHEET1" & q & ")]"??'Activate worksheet.
????DDEExecute ch%,cmd
??
????DDEPoke ch%,"R1C1","$1000.00"??????'Send value to cell.
????'Retrieve value and display.
????MsgBox "The value of Row 1, Cell 1 is: " & DDERequest(ch%,"R1C1")
??
????DDETerminate ch%
????Msgbox "Finished..."
End Sub
|
|
See Also
|
DDEExecute (statement); DDEPoke (statement); DDERequest, DDERequest$ (functions); DDESend (function); DDETerminate (statement); DDETerminateAll (statement); DDETimeout (statement).
|
CIMPLICITY
