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**DDETOPIC( )**

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The **DDETOPIC** procedure returns a string containing the topic name for the DDE channel that has just posted a DDE event.

**Return Data Type:     **STRING

**Example:**

**WinOne WINDOW,AT(0,0,160,400)**

**       END**

**TimeServer LONG**

**DateServer LONG**

**FormatTime STRING(5)**

**FormatDate STRING(8)**

** CODE**

** OPEN(WinOne)**

** TimeServer = DDESERVER('SomeApp')     !Open as server**

** ACCEPT**

**  CASE EVENT()**

**  OF EVENT:DDErequest**

**   CASE ****DDETOPIC****()                     !Get requested topic**

**   OF 'Time'**

**    FormatTime = FORMAT(CLOCK(),@T1)**

**    DDEWRITE(TimeServer,DDE:manual,'Time',FormatTime)**

**   OF 'Date'**

**    FormatDate = FORMAT(TODAY(),@D1)**

**    DDEWRITE(DateServer,DDE:manual,'Date',FormatDate)**

**   END**

**  END**

** END**

**See Also:**

[[dderead  get data from dde server .htm|DDEREAD]]

[[ddeclient  return dde client channel .htm|DDECLIENT]]

[[ddeserver  return dde server channel .htm|DDESERVER]]