Dll to vb decompiler free download. Avaya BCMS Real Time Interfaces The bcmsSVR is similar to clintSVR, it is a gateway program for the access of real time and historic. Semi VB Decompiler a tool to use to recover your lost Visual Basic 4 (32bit)/5/6 code from an exe, dll, or an ocx. Allows you to extract the project file, all forms, api calls (sometimes the parameters are recovered if they are in the api database), procedures names, events names, and P-Code tokens if the application was compiled to P-Code.
When debugging a .NET application, you may find that you want to view source code that you don't have. For example, breaking on an exception or using the call stack to navigate to a source location.
Note
- Source code generation (decompilation) is only available for .NET applications and is based on the open source ILSpy project.
- Decompilation is only available in Visual Studio 2019 16.5 and later.
- Applying the SuppressIldasmAttribute attribute to an assembly or module prevents Visual Studio from attempting decompilation.
Generate source code
When you're debugging and no source code is available, Visual Studio shows the Source Not Found document, or if you don’t have symbols for the assembly, the No Symbols Loaded document. Both documents have a Decompile source code option that generates C# code for the current location. The generated C# code can then be used just like any other source code. You can view the code, inspect variables, set breakpoints, and so on.
No symbols loaded
The following illustration shows the No Symbols Loaded message.
Source not found
The following illustration shows the Source Not Found message.
Generate and embed sources for an assembly
In addition to generating source code for a specific location, you can generate all the source code for a given .NET assembly. To do this, go to the Modules window and from the context menu of a .NET assembly, and then select the Decompile source code command. Visual Studio generates a symbol file for the assembly and then embeds the source into the symbol file. In a later step, you can extract the embedded source code.
Extract and view the embedded source code
You can extract source files that are embedded in a symbol file using the Extract Source Code command in the context menu of the Modules window.
The extracted source files are added to the solution as miscellaneous files. The miscellaneous files feature is off by default in Visual Studio. You can enable this feature from the Tools > Options > Environment > Documents > Show Miscellaneous files in Solution Explorer checkbox. Without enabling this feature, you won't be able to open the extracted source code.
Extracted source files appear in the miscellaneous files in Solution Explorer.
Known limitations
Requires break mode
Generating source code using decompilation is only possible when the debugger is in break mode and the application is paused. For example, Visual Studio enters break mode when it hits a breakpoint or an exception. You can easily trigger Visual Studio to break the next time your code runs by using the Break All command ().
Decompilation limitations
Generating source code from the intermediate format (IL) that is used in .NET assemblies has some inherent limitations. As such, the generated source code doesn't look like the original source code. Most of the differences are in places where the information in the original source code isn't needed at runtime. For example, information such as whitespace, comments, and the names of local variables aren't needed at runtime. We recommend that you use the generated source to understand how the program is executing and not as a replacement for the original source code.
Debug optimized or release assemblies
When debugging code that was decompiled from an assembly that was compiled using compiler optimizations, you may come across the following issues:
- Breakpoints may not always bind to the matching sourcing location.
- Stepping may not always step to the correct location.
- Local variables may not have accurate names.
- Some variables may not be available for evaluation.
More details can be found in the GitHub issue: ICSharpCode.Decompiler integration into VS Debugger.
Decompilation reliability
A relatively small percentage of decompilation attempts may result in failure. This is due to a sequence point null-reference error in ILSpy. We have mitigated the failure by catching these issues and gracefully failing the decompilation attempt.
More details can be found in the GitHub issue: ICSharpCode.Decompiler integration into VS Debugger.
Limitations with async code
The results from decompiling modules with async/await code patterns may be incomplete or fail entirely. The ILSpy implementation of async/await and yield state-machines is only partially implemented.
More details can be found in the GitHub issue: PDB Generator Status.
Vb Decompiler
Just My Code
The Just My Code (JMC) settings allows Visual Studio to step over system, framework, library, and other non-user calls. During a debugging session, the Modules window shows which code modules the debugger is treating as My Code (user code).
Decompilation of optimized or release modules produces non-user code. If the debugger breaks in your decompiled non-user code, for example, the No Source window appears. To disable Just My Code, navigate to Tools > Options (or Debug > Options) > Debugging > General, and then deselect Enable Just My Code.
Vb6 Decompiler Github
Extracted sources
Source code extracted from an assembly has the following limitations:
- The name and location of the generated files isn't configurable.
- The files are temporary and will be deleted by Visual Studio.
- The files are placed in a single folder and any folder hierarchy that the original sources had isn't used.
- The file name for each file contains a checksum hash of the file.
Generated code is C# only
Decompilation only generates source code files in C#. There is no option to generate files in any other language.
VB Decompiler Pro v11.1 Retail Cracked
VB Decompiler is an advanced tool that can decompile programs (EXE, DLL, or OCX) written in Visual Basic 5.0/6.0 and disassemble programs based on .NET technology. As you know, programs written in Visual Basic can be compiled to interpreted p-code or to native code, and a .NET assembly is always compiled to Microsoft intermediate language (MSIL).
Source code loss is a very serious problem for many software developers. As most Visual Basic 5.0/6.0 applications were developed a long time ago, their source code (.vbp, .frm, and .bas files) has already been lost due to migrating to a new computer, replacing a hard drive, etc. Based on the experience of most of our customers, we can say that losing source code can be a tragedy. Just imagine that you have written a program, spending a lot of effort, time, and money, but now all that is left is the compiled program (the EXE file with DLL libraries).
Some day you may suddenly discover that your source code is gone. Maybe you have upgraded your PC or migrated your data to another cloud, or your hard drive just failed, and you do not have a backup. You are starting to panic. What should you do? Just take VB Decompiler and decompile most parts of your project! VB Decompiler will recover as much as possible of your source code with a higher success rate than any competitive product.
Visual Basic has two different compilation modes: p-code (pseudo code) and native code (assembler). VB Decompiler can restore the source code from p-code as close to the original one as possible, so after a few modifications you can get some really workable source code. Of course, in case of a program compiled to native code, the decompilation success rate will be lower, but you still can recover up to 70 percent of the original source code. VB Decompiler has a few powerful built-in tools: an x86/x64 disassembler, an emulator for assembler commands, and a tracing engine. Thanks to them, the result of decompiling the binary code will be very close to Visual Basic code. Because of the diversity of modern code optimization and code protection methods, the result will not always be perfect. But in a dire situation like that, VB Decompiler can really help you with software analysis and reverse engineering.
If you develop your software in Visual Studio 2017 (or in VS 2015, 2013, or lower), using .NET Framework - that's no problem! VB Decompiler can easily restore the code structure from the assembly tables and will be useful for disassembling and analyzing the IL code of Visual Basic .NET, C#, or other .NET assemblies.VB Decompiler does not require that you install .NET Framework. It works fine on any 32-bit or 64-bit Windows system, as well as on any 32-bit or 64-bit Linux system (with Wine), without requiring that you install any additional software.
As you can see, VB Decompiler is an ideal source code analyzing and restoring tool. It is a must-have for VB developers who value their effort, time, and money.
In case of a program compiled to native code, VB Decompiler will recover as much of the source code as possible; it achieves a higher success rate than any competitive product. Even in this situation, VB Decompiler can help you analyze the program. It contains a powerful disassembler/emulator that will try to decode as many assembler instructions as possible to the most likely VB commands. Of course, VB Decompiler may fail on some assembler code optimizations and may be unable to recover some code. However, currently it provides the best approach to analyzing native-code applications.
In case of a program compiled to a .NET assembly, VB Decompiler will recover all tables and modules from a managed assembly and disassemble all methods, functions, and events using the IL disassembler. Decompilation to original source code is not possible at this time, but we provides decompilation service. VB Decompiler does not require the .NET Framework to be installed for decompilation. Decompilation is supported on all 32-bit Windows operating systems.
What's new in this version:
- New processing engine for __vbaObjSet and __vbaHresultCheckObj (Native Code)
- New processing engine for 24 Late calls: __vbaVarLateMemCallLd, __vbaVarLateMemCallLdRf,
__vbaVarLateMemCallSt, __vbaVarLateMemSt, __vbaLateMemSt, __vbaVarLateMemStAd,
__vbaLateMemStAd, __vbaLateIdCall, __vbaLateIdCallLd, __vbaLateIdCallSt, __vbaLateIdSt,
__vbaLateIdStAd, __vbaLateMemCall, __vbaLateMemCallLd, __vbaLateMemCallSt,
__vbaLateIdNamedCall, __vbaLateIdNamedCallLd, __vbaLateIdNamedCallSt, __vbaLateIdNamedStAd,
__vbaLateMemNamedCall, __vbaLateMemNamedCallLd, __vbaLateMemNamedCallSt,
__vbaLateMemNamedStAd, __vbaRaiseEvent. NamedCall's is partially supported. (Native Code)
- Show 'This Control' (variable with assigned active control) and 'Temporary This'
at Tracer window (Tracing features)
- VB .NET decompiler is optimized and refactored
- Tracing is now supported for P-Code functions and procedures. Just
right click on an address in a decompiled or disassembled code (like
loc_00401000) and select same menu link. Opened code will be emulated up
to the selected address and you'll see stack, previous decompiled line,
and current This object. This function works like a breakpoint on a
debugger, but no code executed, only emulated. (P-Code)
- New feature 'Prototypes Analyzer'. Before decompilation, VB Decompiler will
analyze all Private functions and procedures for prototype. It helps to
provide correctly decompiled calls to this procedures and functions. This
feature can be activated in Options and decrease speed of the opening
file (P-Code and Native Code)
- New option for new feature: Parsing 'If' ... 'Else' ... 'End If'
blocks (Native Code)
- 'Add addresses' option now works in P-Code too
- Support vbaNew2 calls for internal Forms, UserControls and Classes (Native Code)
- Objects is now more strong typized (Native Code)
- Decompile 16777215 as 'True' at 'If .. Then' statements (Native Code)
- Filter calls to VB Runtime wrappers using VTable (Native Code)
- Ukrainian translation by Dmitry Prigornitsky
- Show operand for msvbvmXX.dll functions MemLdPr, LateIdLdVar, MemLdUI1,
MemLdI2, MemLdR4, MemLdR8, MemLdFPR4, MemLdFPR8 (P-Code Lite Version)
- Support for global variables as in a P-Code (Native Code)
- Show Dispatch ID and VTable ID for Public and Private
variables (P-Code and Native Code)
- Support a lot of array in a push, mov, add and sub commands:
[reg+reg], [reg-reg], [reg+Address], [reg-Address],
[reg+reg*2] (Native Code)
- Emulator stack size increased to form 16 to 64 dwords (Native Code)
- Decompile 'ExitProcCbHresult' with and without arguments differently (P-Code)
- Doesn't calculate the entropy (test for packed/protected) for files larger than 5Mb.
Increases download speed and is not required for most files.
- Support disassembling of extremely large functions. Correctly find the
finish part of this functions (for functions with up to 100k lines of code)
- Increase speed for saving to file
- Decompilation of 'Err' object with all properties and methods (P-Code and Native Code)
- Increased Native Code decompilation speed
- Database of external OCX/DLL controls is filtered and optimized
- Show all possible arguments at private procedure prototype by
analyzing code of the procedure (Native Code)
- Use different colors for 'Sub' and 'Functions'
- Try to detect type of the procedure, declared as Private (Sub or Function)
- Filter 'Select Case' jump tables at the end of function (Native Code)
- Declare User Defined Types (UDT) and public variables. For UDT VB Decompiler
show size of the structure and count of string fields. For Public variables
VB Decompiler show name and type
- Add support for msvbvmXX.dll APIs: __vbaR8IntI2, __vbaR8IntI4,
__vbaVargVarCopy, __vbaRedimVar, __vbaVarSetObjAddref, __vbaVarSetUnk,
__vbaVarSetUnkAddref, __vbaVarSetVarAddref, __vbaVarXor, __vbaVarNot
__vbaPowerR8, __vbaVarLateMemSt, __vbaStrLike, __vbaStrTextLike,
__vbaVarLike, __vbaVarTextLike, __vbaVarTextLikeVar, __vbaVarLikeVar,
__vbaDerefAry1, __vbaVargVarRef (Native Code)
- Add partially support for msvbvmXX.dll APIs: __vbaRecAnsiToUni,
__vbaRecAssign, __vbaRecDestruct, __vbaRecDestructAnsi, __vbaRecUniToAnsi
- Add support for msvbvm50.dll APIs: __vbaVarTextCmpEq, __vbaVarTextCmpNe,
__vbaVarMod (Native Code)
- Show variables for msvbvmXX.dll functions: __vbaVarOr,
__vbaVarNeg, __vbaVarMod, __vbaVarMul, __vbaVarPow, __vbaVarDiv,
__vbaVarIdiv
- Support RegExp2 class from vbscript.dll
- Support 'Select Case' statements with more than 255 cases (Native Code)
- Search in a variables at Tracer window (Tracing features)
- Save current Date/Time to the header of text file (Save all in one module)
- Support for Objects: Form.Controls.X, MDIForm.Controls.X, UserControl.Controls.X,
PpropertyPage.Controls.X, UserDocument.Controls.X, ListView.Items.X
- Emulation for direct assembler 'Or' command with variables.
Usually Visual Basic use __vbaVarOr or same APIs, but with __vbaXXXLike
Visual Basic use native 'Or' (Native Code)
- Support loading 4 and 8 byte floats from address by fild FPU command (Native Code)
- Open binary file from *.lnk file. Pure binary parsing, APIs or WScript is not used.
Not all types of *.lnk files is supported.
- BugFix: Update decompiled code after editing any string in String References
- BugFix: Decompile names of global variables in classes
(if it saved to the binary file)
- BugFix: Decompile msvbvmXX.dll function MemLdPr (P-Code)
- BugFix: Decompile msvbvmXX.dll functions: __vbaR4ErrVar, __vbaR8ErrVar,
__vbaR4Var, rtcRandomNext, __vbaBoolVar
- BugFix: Decompile msvbvm50.dll functions: __vbaRedim, __vbaRedimPreserve
- BugFix: Correctly process prototype of the function with more
than the nine parameters parameters via the stack
- BugFix: Correctly process 'End If' in some cases then this address is filtered
by 'Procedure analyzer and optimizer'
- BugFix: Correctly process object properties Left/Top/Width/Height
as Single floating point (Native Code)
- BugFix: Correctly process 'End If' and other block-closing commands in some cases,
if 'Add Address' option is unchecked (Native Code)
- BugFix: Processing strings with only quote (') and apostrophe (') chars
Only for V.I.P