Note: This is only relevant when working with structures. The function declarations in C are as follows (sorry they are quite long): extern "C" int __stdcall start_proctor( double points, double weights, double opoints, double &SG, char sg_estimated, double &smooth, char A Handy Trick for Finding Functions Quickly. Maybe a wait period might help when you get the error and then retry x number of times. http://birdsallgraphics.com/error-calling/error-calling-external-object-function-name.php
Keep in mind that the variable names do not have to match the function declaration listed in Step 4. My guess is that PB doesn't like something about one of the variables that are being passed. –Hugh Brackett Mar 22 '13 at 17:47 I'm not saying the DLL Blue Screen of Death (BSoD) Maybe you've already met this Powerbuilder Error Calling External Function before. Generated Mon, 10 Oct 2016 16:05:17 GMT by s_ac15 (squid/3.5.20) Technical Support Forums You've got questions? see it here
current community chat Stack Overflow Meta Stack Overflow your communities Sign up or log in to customize your list. I'd recommend Function Check from Karri Software LTD (http://ourworld.compuserve.com/homepages/KarriSL/) or QuickView, an accessory of Win95 PLUS! Using the data types "int" or "long" may work, but if the handle points to an area in high memory, the latter two data types may not be able to support http://www.sybase.com/detail?id=47626 If not, perhaps you can elaborate on your configuration.
You can do such after you restart your computer. The functions are declared as.... If the function passes a string as an argument or returns a string, you can use the same syntax in PowerBuilder 10 as in previous releases if the string uses Unicode If something between the two calls changes the current directory, a DLL that could be found the first time might go "missing" the second.
No matter what we have tried both the ansi and unicode calls are being used as we noticed that may be the problem from reading the boards. Error Calling External Object Function In this particular case, since the structure contains 13 elements that are all "ulong", the number 256 should be sufficient to contain the information. Pressing ESC or the combination of Ctrl + Alt + Del will not solve this problem. https://groups.google.com/d/topic/sybase.public.powerbuilder.general/uDwbC2yS5d4 How can I list two concurrent careers, one full time and one freelance, on a CV?
Most likely, however, you'll need a third-party product to determine this. For example, GetFileVersionInfo is listed as a 32-bit function, but it is in fact GetFileVersionInfoA. E.g., last name populated as: ^&Ryan This problem is most likely the result of the byte alignment being set incorrectly. students who have girlfriends/are married/don't come in weekends...?
With that, it is vital for each PC users to at least learn the basic of trouble-shooting a computer in order for them to know what to do in case they http://www.techno-kitten.com/Changes_to_PowerBuilder/New_in_PowerBuilder_10/PB10New_-_Unicode_Support/PB10New_-_Unicode_Related_Chan/PB10New_-_Calling_External_Fun/pb10new_-_calling_external_fun.html A structure, a container for one or more elements, is the mechanism used by the operating system to pass required information back from a function. Error Calling External Function S Powerbuilder This is probably the result of an incorrectly spelled function name. Error Opening Dll Library For External Function Powerbuilder To be safe, set the argument to null.
share|improve this answer answered Oct 25 '11 at 20:58 Hugh Brackett 2,485618 add a comment| up vote 0 down vote I'm going to try a wild guess (not really enough information http://birdsallgraphics.com/error-calling/error-calling-external-object-function-powerbuilder-ole.php This might also be a TS-specific problem - have you approached this issue from that perspective? Select the C/C++ tabpage. Is the sum of two white noise processes also a white noise?
A LPTSTR means a pointer to a string (see Step 3). Error: Error calling external function
Browse other questions tagged c++ dll powerbuilder python-c-api or ask your own question. Right mouse click and select Settings. For example, Findwindowa fails, whereas FindWindowA works.
Trouble shooting Powerbuilder Error Calling External Function needs the same method. SolutionsBrowse by Line of BusinessAsset ManagementOverviewEnvironment, Health, and SafetyAsset NetworkAsset Operations and MaintenanceCommerceOverviewSubscription Billing and Revenue ManagementMaster Data Management for CommerceOmnichannel CommerceFinanceOverviewAccounting and Financial CloseCollaborative Finance OperationsEnterprise Risk and ComplianceFinancial Planning setnull(lu_hand) The third argument lu_len, contains the size of the buffer into which the information will be returned. The semicolon is needed to use the ANSI keyword - which you don't need either. > > The first one is the Ansi version, the second is called if > the
FUNCTION int gef_apivcf(int commodity, ref double obstemp, ref double obsgrav, ref double alttemp, ref double vcf, ref double apigrav) LIBRARY "APIVCF.DLL" alias for "[email protected];Ansi" FUNCTION int gef_apivcf_retry(int commodity, ref double obstemp, Some functions are cap sensitive depending on the DLL. I've seen that more than once before. –Terry Mar 25 '13 at 14:22 add a comment| Your Answer draft saved draft discarded Sign up or log in Sign up using navigate here It is critical that the buffer size not be too small because the information could overflow into another part of memory, causing a GPF or Dr.
An LPVOID indicates that a structure is being used. We've got answers! To solve the issue, you have to know its real cause, it will also help you at least prevent it to happen again in the foreseeable future. After hundreds of user inquiries, Powersoft Technical Support compiled these technical tips as FaxLine document 44648 to enable PowerBuilder developers to translate standard Microsoft function calls into PowerBuilder syntax, and to
If you are not using a current version, have you looked through the fixlists from the later builds to see if the problems has already been report/fixed. I think your error is in the C code that's calling Python. If so, make sure your DLL developers understand the requirements for using the exported function in PB. Most of the data types are listed above, but some may be missing.
As stated before it works 99% of the time, but then that 1% is causing a huge problem. lu_len = 256 The last argument, lpdata2, is an instance of the structure lpdata and will be populated by the function call. Individual products have links to the respective forums on SCN, or you can go to SCN and search for your product in the search box (upper right corner) to find your The common cause of these errors are virus.
things like that. The problem is the fact that we cannot recreate the issue, even if the problem occurs for a user and we log on and try to get it to fail. We have been > pullling our hair out with this issue as we cannot make it > fail. Determining the memory address to set the breakpoint is left as an exercise for the reader.