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Chapter 7
Creating and Distributing Standalone Executables and DLLs
©
 National Instruments Corporation
7-11
LabWindows/CVI Programmer Reference Manual
Windows NT. Under Windows NT, the installation program also adds a registry entry under 
the following key:
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\cvintdrv
Table 7-2 shows the values the installation program sets for the Windows NT registry entry 
for the low-level support driver.
Message, Resource, and Font Files
The installation program installs 
ni7seg.ttf 
and 
nisystem.ttf
 in the 
cvirte\fonts
 
subdirectory under the directory in which it installs the Run-time Engine DLLs. It installs the 
msgrtn.txt
 and 
cvirt
n.rsc
 in the 
cvirte\bin
 subdirectory under the directory in 
which it installs the Run-time Engine DLLs. It sets the 
cvidir
 option in the following 
registry key to the pathname of the 
cvirte
 directory. 
HKEY_LOCAL_MACHINE\Software\National Instruments
\CVI Run-Time Engine\cvirte
You can subsequently change the location of the 
bin
 and 
fonts
 subdirectories, but you must 
also change the 
cvidir
 registry option to the pathname of the directory that contains the two 
subdirectories.
National Instruments Hardware I/O Libraries
The LabWindows/CVI Run-time Engine does not include the DLLs or drivers for National 
Instruments hardware. Users can install the DLLs and drivers for their hardware from the 
distribution disks that National Instruments supplies.
LabWindows/CVI Run-Time Engine under Windows 3.1
For Windows 3.1, the LabWindows/CVI Run-time Engine comes in the form of an executable 
file. The name of the executable file is 
cvirt
n.exe
, where 
n
 is the version of the Run-time 
Engine. The Run-time Engine comes on a separate diskette. The LabWindows/CVI 
installation program installs the Run-time Engine along with the development environment. 
The Create Distribution Kit command in the Build menu of the Project window can bundle 
Table 7-2.  Windows NT Registry Entry Values for the Low-Level Support Driver
Type
Name
Value
DWORD
ErrorControl
00000001
String
Group
"Extended Base"
DWORD
Start
00000002
DWORD
Type
00000001
00ProRef.book : 06chap07.fm  Page 11  Monday, March 9, 1998  3:23 PM