Declaring Dll Error In Vb5
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Error In Loading Dll Vb6
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of Use Bugs: Error 53 error in loading dll excel mac when calling functions from custom DLL Author(s) error in loading dll access Dev Ashish If you have custom DLLs created in VB 6
Error In Loading Dll Excel 2013
or VB 5, you might get error 53 (file not found) in the declare statement itself. Private Declare https://support.microsoft.com/en-us/kb/85108 Function fDLLFunction Lib "C:\My Documents\DLLs\SomeDLL.DLL" _ (Byval strParam1 as string, lngParam2 as Long) as long This is caused by a missing Dependency file (runtime files) on your machine that's required by the DLL. The error message http://access.mvps.org/access/bugs/bugs0019.htm "File Not Found" is not being generated by the DLL file itself, but Access since it cannot locate the other required DLLs. To find out if the DLL has any dependencies, you can use one of these two methods. Download Dependency Walker Search your hard drive for any dependent files and make sure they exist and are registered. Use Windows NT's QuickView utility to view the DLL's Import Table. All dependent files should be listed here. Note that Windows 95 and 98 versions of the QuickView utility do not allow you to view this information. © 1998-2010, Dev Ashish & Arvin Meyer, All rights reserved. Optimized for Microsoft Internet Explorer
here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site About Us Learn more about Stack Overflow the company Business Learn more about hiring http://stackoverflow.com/questions/16293334/vb6-declaration-for-c-function-gives-bad-dll-calling-convention developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 4.7 million programmers, just like you, helping each other. Join https://www.experts-exchange.com/questions/10020768/mmsystem-dll-not-found-in-VB5.html them; it only takes a minute: Sign up VB6 declaration for C++ function gives “Bad DLL calling convention” up vote 0 down vote favorite What is the correct VB6 declaration for this C++ function: LPCWSTR* MW_ListReaders(_ULONG Context, int* NumberOfReaders); error in The following gave me "Bad DLL calling convention". Private Declare Function ListReaders Lib "MyDLL.dll" (ByVal Context As Long, ByRef NumberOfReaders As Integer) As Long c++ vb6 share|improve this question edited Apr 30 '13 at 16:22 Mark Bertenshaw 4,42921731 asked Apr 30 '13 at 6:10 user2334678 11 add a comment| 2 Answers 2 active oldest votes up vote 5 down vote There is no calling convention specified in that C++ declaration. Most C/C++ compilers default to __cdecl. If the function error in loading does actually use __cdecl then you will not be able to call it in VB6: How To Call C Functions That Use the _cdecl Calling Convention It is not possible to directly call a C function in a DLL if that function uses the _cdecl calling convention. This is because Visual Basic uses the _stdcall calling convention for calling functions. This is a problem because if _cdecl is used, the calling function is responsible for cleaning up the stack. However, if _stdcall is used, the called function is responsible for cleaning up the stack. NOTE: An .EXE file created in Visual Basic will allow you to call a DLL function that has been declared with the _cdecl calling convention without an error. It is only when you try to call such a function when running a program from the Visual Basic IDE, that Visual Basic generates the following error: Run-time Error '49': Bad DLL Calling Convention The fact that the EXE version allows you to call such functions has been confirmed to be a bug by Microsoft. You should not rely on this behavior as this might change in future versions of Visual Basic. share|improve this answer answered Apr 30 '13 at 8:19 Remy Lebeau 231k13140268 add a comment| up vote 0 down vote In addition to Remy's answer, you have also got the Vb declaration slightly wrong: Private Declare Function ListReaders Lib "MyDLL.d
for Help Receive Real-Time Help Create a Freelance Project Hire for a Full Time Job Ways to Get Help Ask a Question Ask for Help Receive Real-Time Help Create a Freelance Project Hire for a Full Time Job Ways to Get Help Expand Search Submit Close Search Login Join Today Products BackProducts Gigs Live Careers Vendor Services Groups Website Testing Store Headlines Experts Exchange > Questions > mmsystem.dll not found (in VB5) Want to Advertise Here? Solved mmsystem.dll not found (in VB5) Posted on 1997-08-20 Visual Basic Classic 1 Verified Solution 1 Comment 348 Views Last Modified: 2006-11-17 Why canĀ“t I use the command: Private Declare Sub mciExecute Lib "mmsystem.dll" (ByVal cmd$) in VB5 Prof??? In VB4 16bit it works fine. In VB5 I get the error "Error 48: File not found: mmsystem.dll" after using the function mciExecute with mciExecute ("open overlay alias fps") 0 Question by:thomaskramer Facebook Twitter LinkedIn Google LVL 5 Best Solution byy96andha Use this declaration instead. This will work with 32-bit code. Private Declare Function mciExecute Lib "winmm.dll" Alias "mciExecute" (ByVal lpstrCommand As String) As Long Go to Solution 1 Comment LVL 5 Overall: Level 5 Visual Basic Classic 4 Message Accepted Solution by:y96andha1997-08-20 Use this declaration instead. This will work with 32-bit code. Private Declare Function mciExecute Lib "winmm.dll" Alias "mciExecute" (ByVal lpstrCommand As String) As Long 0 Write Comment First Name Please enter a first name Last Name Please enter a last name Email We will never share this with anyone. Comment Submit Your Comment By clicking you are agreeing to Experts Exchange's Terms of Use. Featured Post Looking for New Ways to Advertise? Promoted by Experts Exchange Engage with tech pros in our community with native advertising, as a Vendor Expert, and more. LEARN MORE Suggested Solutions Title # Comments Views Activity Share codes 68 98 73d Popup alert when row contains data 5 47 123d Data-Updating-VBA-V4 3 30 98d Excel Spreadsheet - Send email if certain value is selected. 14 59 46d The Case for (case-sensitive) Modules Article by: aikimark Introduction This article makes the case for usin