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I need help dealing with a C++ DLL
Specify that I need help with how to use this function
struct libusb_device; typedef struct libusb_context libusb_context; ssize_t LIBUSB_CALL libusb_get_device_list(libusb_context *ctx,libusb_device ***list); My problem is how to deal with "libusb_device ***list"
$libusb_device = DllStructCreate("PTR") Func libusb_init() $Var = DllCall($libusb0, "ptr", "libusb_init",'ptr',$_libusb_device_handle_Ptr) If @error Then Return False Return $Var EndFunc Func libusb_get_device_list() MsgBox(0,VarGetType($_libusb_device_handle_Ptr),$_libusb_device_handle_Ptr) $Var = DllCall($libusb0, "int", "libusb_get_device_list","ptr",$_libusb_device_handle_Ptr,"ptr*",POINTER(POINTER($libusb_device))) $Error = @error If $Error Then Return False MsgBox(0,VarGetType($Var),$Error&@CRLF&$Var) _ArrayDisplay($Var) Return $Var EndFunc
iLibUSB.dll iLibUSB_32.dll libusb.h
My programming knowledge is very basic.
I have an old script that creates shares and assign permissions. It normally registers SetAcl.ocx if necessary and creates an object to assign permissions.
The command that registers SetAcl was apparently working fine under Windows 7 but is not working under Windows 10.
RunWait("regsvr32.exe path\to\setacl.ocx /s", "", @SW_HIDE) As I'm logged in as admin, I changed this command to :
RunAsWait(@UserName, "", "", 0, "regsvr32.exe path\to\setacl.ocx /s", "", @SW_HIDE) It seems to terminate correctly but the script still doesn't work as expected.
To check that, I've created that small script :
Local $objSetAcl = ObjCreate("SETACL.SetACLCtrl.1") If IsObj($objSetAcl) Then ConsoleWrite("Object successfully created." & @CRLF) Else ConsoleWrite("Object not created. Registering SetAcl.ocx" & @CRLF) Local $result = RunAsWait(@UserName, "", "", 0, "regsvr32.exe path\to\setacl.ocx /s", "", @SW_HIDE); Use of my admin username to elevate CMD ConsoleWrite("Return code : " & $result & @CRLF) ConsoleWrite("Creating object" & @CRLF) $objSetAcl = ObjCreate("SETACL.SetACLCtrl.1") If IsObj($objSetAcl) Then ConsoleWrite("Object successfully created." & @CRLF) Else ConsoleWrite("Object creation failed." & @CRLF) EndIf EndIf It tries to register SetAcl.ocx, return code 0 seems to be fine but still can't use SetAcl.
But if I go to CMD as admin, run the regsvr32 command and restart my script, it can create the object without issue.
I know my poor knowledge makes me miss something. Anyone can help me figure this out ?
Dear members of the forum,
I'm working on a project in which I have to use Image recognition technique.
Due to client restrictions, I couldn't use AutoIt for this project.
Is there a way to use this DLL "ImageSearchDLL.dll" (which is used to do image recognition steps in AutoIt) in VB.Net to achieve the same result?
I have used this DLL few years before and got good results. If there is a latest version of this DLL and if you can share it, that will be helpful too.
Any guidance is deeply appreciated.
Good morning Forums
In these days, I am working on a project that involved me to use some Windows APIs to obtain some information about Terminal Servers.
I'm doing this using wtsapi32.dll in a VBA Project, but, the lack of knowledge about few things threated in the articles make this quite difficult to
implement and understand at the same time.
The most difficult thing I'm facing is "translating" C/C++ functions or struct in VBA when pointers are used, or pointers of pointers, and so on.
Since VBA seems to not have a pointer type, to make those functions work I need to implement other functions taken from other DLLs, and this confuses me a lot.
For example, starting from this code, I splitted all the functions and all the definitions to understand why they are there, and why I need to use them.
At the end, I've found out that the code I was going to implement starting from the functions provided in the Microsoft Docs won't be ever be able to work without some supplementary functions which are not mentioned anywhere.
So, I was wondering if someone would please point me out to a good and practical exaplanation about pointers (in general) or specifically for VBA, because I need to use them quite often in these days, and I'd like to understand what I am doing.
Thanks in advance.
Best Regards and Stay at home 🏡