Error of heads when build the .dll by visual studio 2003

I am trying to call the dll function in labVIEW which build by visual studio 2003.
while I compile the basic program in visual studio 2003,the dll will be built successfully,but if I include heads like or in my program, etc.Compiling has the error of ,so the dll can not be built.
I have trued to look for the solution in NI Discussion Forums,but havent seen the related article about the error of including .
If someone can answer this for me,that will be a great help,and I'll be so appreciate if anyone get me out
of the trouble.
Sean

I'm a little unclear about your question. What is the exact error that you are receiving and at what point are you receiving it? Is the error occurring when calling the DLL in LabVIEW or is it occurring when building the DLL in Visual Studio? Further clarification about exactly what the problem is and where it is occurring would be a big help!
Regards,
E. Sulzer
Applications Engineer
National Instruments

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How to remove the "int len" of my return string on the DLLS header when building a DLL on LabVIEW 8.5

Hi all.
I'm building a DLL on LabVIEW and I choose a string as an output on the terminals connectors.
But LabVIEW creates another output, the lenght of the return string.
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Daniel Coelho wrote:
Hi all.
I'm building a DLL on LabVIEW and I choose a string as an output on the terminals connectors.
But LabVIEW creates another output, the lenght of the return string.
This is a problem because I have other DLLs and I need them to be compatible.
How do I remove this length from the header? What is the difference between Pascal String and C string and String Handle Pointer?
String Handle Pointer removes the length from the header but I don't know the difference between this data types.
Thanks in advance for the help.
Daniel Coelho
Portugal
C string pointer is a pointer to a memory location whose string information is terminated by a 0 byte. Pascal String Pointer is a pointer to a memory location where the first byte specifies the number of bytes to follow. This obviously allows only for strings up to 255 character length.
LabVIEW String Handle is a pointer to a pointer to a memory location where the first 4 bytes are an int32 value indicating the number of characters to follow. You can read such a String handle in a function without many problems, but you can only create, resize and delete such a handle by using LabVIEW memory manager functions. So this makes only sense if the caller of such a DLL is LabVIEW too as another caller would have to go through several hoops and tricks in order to gain access to the correct LabVIEW kernel that could provide the memory manager functions to deal with such handles.
Last but not least output strings whose allocated length is not passed to the funciton as additional parameter are a huge secerity risk (talk about buffer overrun errors). LabVIEW DLL Builder does not support the creation of DLLs with output string (or array parameters) without the explicit passing of an additional parameter telling the DLL function how large the allocated size is (so that the DLL function can make sure to never write over the end of the buffer).
The additional length parameter only disappears for String Handles because LabVIEW will simply resize them to whatever length is necessary and that is also the reason why those handles need to be allocated by the same memory manager instance that is also going to execute the DLL function.
Resizing of memory pointers is non-standardized and in normal circumstances not suited for passed function parameters at all.
Rolf Kalbermatter
Message Edited by rolfk on 06-13-2008 12:28 PM
Rolf Kalbermatter
CIT Engineering Netherlands
a division of Test & Measurement Solutions

Getting the message "Error generating preview" when building the installer.

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Hello,
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type Visual C++.
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If we look at how AFX_CLASS_EXPORT and AFX_CLASS_IMPORT are defined in afxv_dll.h we see the following.
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Hi,
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Well I think I use my compiler (dev-c++) corectly:
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*.h file (that is produced by javah)
/* DO NOT EDIT THIS FILE - it is machine generated */
#include <jni.h>
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#define IncludedIntArray
#ifdef __cplusplus
extern "C" {
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* Class: IntArray
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* Signature: ([I)I
JNIEXPORT jint JNICALL Java_pole_IntArray_sumArray
(JNIEnv *, jobject, jintArray);
#ifdef __cplusplus
#endif
#endif
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jint buf[10];
jint i, sum = 0;
(*env)->GetIntArrayRegion(env, arr, 0, 10, buf);
for (i = 0; i < 10; i++) {
sum += buf;
return sum;
and in Java : private native int sumArray(int[] arr);
and again error : 10 C:\Dev-Cpp\dllmain.cpp base operand of `->' has non-pointer type `JNIEnv_'
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Hello and thank you very much for your answers
Right now I tried RobertH's solution. I'm gona try it also with Coq rouge's link.
To RobertH's way:
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When I tried to compile, i got an errormessage:
error C2373: 'multiply': Neudefinition; unterschiedliche Modifizierer
in English:
error C2373 'multiply': redefinition; different modifier
I could fix this error by editing the line
unsigned int multiply(unsigned char a, unsigned char b)
into
unsigned int __stdcall multiply(unsigned char a, unsigned char b)
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uint16_t ?multiply@@YGIEE@Z(uint8_t a, uint8_t b);
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Error 1097 occurred at Call Library Function Node in extcodetest.vi
Possible reason(s):
LabVIEW: An exception occurred within the external code called by a Call Library Function Node. The exception may have corrupted LabVIEW's memory. Save any work to a new location and restart LabVIEW.
I tried both calling conventions, c and stdcall
At least, i could start the LabView Programm. Thats already a littel success. But i think i will need more help.
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Post Author: LenReinhart
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Post Author: MJ@BOBJ
CA Forum: .NET
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Errors were found when compiling the workflow. The workflow files were saved but cannot be run.

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http://code2care.org/pages/sharepoint-errors-were-found-when-compiling-the-workflow-the-workflow-files-were-saved-but-cannot-be-run/
http://sharepoint.stackexchange.com/questions/119909/sharepoint-designer-error-errors-were-found-when-compiling-the-workflow
http://stackoverflow.com/questions/26413125/errors-were-found-when-compiling-the-workflow-in-sharepoint-2013
Hi Sagar,
I appreciate it but if you see my original post, this is a SharePoint 2010 workflow that cannot be published; which has now caused all SharePoint 2010 workflows in the same web app to error.
Your first link is specific to SharePoint 2013 workflows.
Your second link refers to the UserDefinedWorkflowMaximumComplexity. If you read my original post, I've already tried this and I've tried to publish a small (single activity) workflow.
Your third link also refers to large workflows with many approval activities. My workflow doesn't contain any approval activities.
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My issue is with publishing and running a SharePoint 2010 workflow in SharePoint 2013.
Thank you...

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Hi,
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Error of heads when build the .dll by visual studio 2003

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