Uninstalling the windows nt api -10, Uninstalling the windows nt api – Rockwell Automation 1747-PCIS API Software - Open Controller User Manual

Page 22

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Publication 1747-UM002A-US-P - June 2000

1-10 Overview

2. adds this key and these values to the system registry:

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services

OCdriver
ErrorControl: REG_DWORD 0x1
Group: REG_SZ Extended base
Start: REG_DWORD 0x2
Type: REG_DWORD 0x1

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services

Drivers\ OCdriver
EventMessageFile=

REG_EXPAND_SZ%SystemRoot%\System32\Drivers\OCdriver.sys

TypesSupported= REG_DWORD 0X00000007

3. copies the library file,

OCapi.dll

, to the

%SystemRoot%\system32

directory.

If you select Runtime & Development, the setup utility performs the
same steps as for Runtime only and the setup utility copies

ocapi.lib

,

ocapi.h

, and the sample source files to a development directory.

If you want to develop your application on a computer other than the
open controller, copy the ocapi.lib and ocapi.h files to the
development computer (do not run the setup utility on the
development computer). You won’t be able to run your application
on the development computer. The runtime API only works on an
open controller.

Uninstalling the Windows NT API

To uninstall Windows NT API, use the following instructions.

1. From the Control Panel, select Add/Remove Programs.

2. From the list of installed programs, select Open Control API.

3. Click on Add/Remove.

4. Click on Yes.

All of the API files and registry keys will be deleted.

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