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**UNLOAD( **//file //**)**

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| **UNLOAD** | Unloads a Windows standard .DLL previously loaded by CALL. |
| //file// | A string constant, variable, or expression containing the name (including extension) of the .DLL to unload. This may include a full path. |

The **UNLOAD** procedure unloads a //.//DLL //file //left loaded by the CALL procedure.

**Example:**

**Win1 WINDOW**

**      BUTTON('Load DLL'),USE(?DLLButton)**

**     END**

** CODE**

** OPEN(Win1)**

** ACCEPT**

**  CASE EVENT()**

**  OF EVENT:Accepted**

**   IF ACCEPTED() = ?DLLButton**

**    !Call procedure in CUSTOM.DLL and leave DLL resident:**

**    X# = CALL('CUSTOM.DLL','EntryPoint',1) **

**    IF X# THEN STOP(X#) END  !Check for successful execution**

**   END**

**  OF EVENT:CloseWindow**

**   ****UNLOAD****('CUSTOM.DLL')      !Unload the CUSTOM.DLL**

**  END**

** END**

**!Process **

**See Also:**

[[call  call procedure from a dll .htm|CALL]]