External – System Function**

Description

The External function calls an external DLL. Not available in WinTask Lite.

Syntax

var = External(<DLL_name$>, <function_name$>[, <param1>[, <param2>, ...]])

Parameters

<DLL_name$>, string, name of the Windows DLL.
<function_name$>, string, name of the DLL function.
<param1>, <param2>: optional parameters, type integer or unsigned or string.
If <paramx> is an output string, its maximum length is 1023 characters. If you need an output string longer, use External$.

Return Value

var, return value, either a 32-bit integer or an address type UNSIGNED.

See Also

• How to call API Windows functions
• External$
• In WinTask\Advanced_script_examples\Windows_API_Functions_Call folder, some scripts using External are listed.
• A WinTask customer has written many scripts using Windows API functions, you can view them at http://www.sqablogs.com/jstrazzere/WinTask