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Contents
LabWindows/CVI Programmer Reference Manual vi
©
National Instruments Corporation
General Protection Errors.................................................................................. 1-11
Library Protection Errors .................................................................................. 1-11
Disabling User Protection ................................................................................. 1-12
Disabling Protection Errors at Run-Time........................................... 1-12
Disabling Library Errors at Run-Time ............................................... 1-12
Disabling Protection for Individual Pointer........................................ 1-12
Disabling Library Protection Errors for Functions............................. 1-13
Details of User Protection................................................................................. 1-14
Pointer Casting ................................................................................... 1-14
Dynamic Memory............................................................................... 1-15
Avoid Unassigned Dynamic Allocation in
Function Parameters.......................................................... 1-15
Library Functions ............................................................................... 1-16
Unions................................................................................................. 1-16
Stack Size ........................................................................................................................ 1-16
Include Paths ...................................................................................................................1-17
Include Path Search Precedence ....................................................................... 1-17
Chapter 2
Using Loadable Compiled Modules
About Loadable Compiled Modules ............................................................................... 2-1
Advantages and Disadvantages of Using Loadable Compiled Modules
in LabWindows/CVI ...................................................................................... 2-2
Using a Loadable Compiled Module as an Instrument Driver
Program File................................................................................................... 2-2
Using a Loadable Compiled Module as a User Library.................................... 2-3
Using a Loadable Compiled Module in the Project List................................... 2-3
Using a Loadable Compiled Module as an External Module ........................... 2-4
Notification of Changes in Run State ............................................................... 2-4
Example 1........................................................................................... 2-5
Example 2........................................................................................... 2-6
Using Run State Change Callbacks in a DLL................................................... 2-6
Compiled Modules that Contain Asynchronous Callbacks .............................. 2-7
Chapter 3
Windows 95/NT Compiler/Linker Issues
Loading 32-Bit DLLs under Windows 95/NT ................................................................ 3-1
DLLs for Instrument Drivers and User Libraries.............................................. 3-2
Using The LoadExternalModule Function ....................................................... 3-2
Link Errors when Using DLL Import Libraries................................................ 3-2
DLL Path (.pth) Files Not Supported................................................................ 3-2
16-Bit DLLs Not Supported.............................................................................. 3-2
00ProRef.book : 00ProRefTOC.fm Page vi Monday, March 9, 1998 3:23 PM