Was this information helpful? Yes No. Thank you! Any more feedback? The more you tell us the more we can help. Can you help us improve? Resolved my issue. Clear instructions. Easy to follow. No jargon. Pictures helped. Didn't match my screen. Incorrect instructions. Too technical. Not enough information. Not enough pictures. Any additional feedback? Submit feedback. Thank you for your feedback! Install AutoCAD. See Recommended installation workflow for Autodesk Products. Uninstall and reinstall the.
NET Framework Windows 7 only. On the right pane of the window, several registry keys will show the AutoCAD version. For example, for AutoCAD , the following keys would be deleted:. See Also: "Installation incomplete. Some products failed to install. Get answers fast from Autodesk support staff and product experts in the forums. The entry point function is called when processes or threads attach themselves to the DLL or detached themselves from the DLL.
You can use the entry point function to initialize data structures or to destroy data structures as required by the DLL. Additionally, if the application is multithreaded, you can use thread local storage TLS to allocate memory that is private to each thread in the entry point function.
The following code is an example of the DLL entry point function. When the entry point function returns a FALSE value, the application will not start if you are using load-time dynamic linking.
If you are using run-time dynamic linking, only the individual DLL will not load. The entry point function should only perform simple initialization tasks and should not call any other DLL loading or termination functions. For example, in the entry point function, you should not directly or indirectly call the LoadLibrary function or the LoadLibraryEx function. Additionally, you should not call the FreeLibrary function when the process is terminating.
In multithreaded applications, make sure that access to the DLL global data is synchronized thread safe to avoid possible data corruption. To do this, use TLS to provide unique data for each thread.
To export DLL functions, you can either add a function keyword to the exported DLL functions or create a module definition.
Typically, you would use one header file that has a define statement and an ifdef statement to separate the export statement and the import statement. You can also use a module definition file to declare exported DLL functions. When you use a module definition file, you do not have to add the function keyword to the exported DLL functions. The following code is an example of a definition file.
In load-time dynamic linking, you must link the SampleDLL. In run-time dynamic linking, you use code that is similar to the following code to call the SampleDLL. With the introduction of. NET and the. An assembly is a logical unit of functionality that runs under the control of the. An assembly physically exists as a. An assembly file contains an assembly manifest, type metadata, Microsoft intermediate language MSIL code, and other resources.
The assembly manifest contains the assembly metadata that provides all the information that is required for an assembly to be self-describing. The following information is included in the assembly manifest:. The MSIL code that is contained in the assembly cannot be directly executed. By default, when you create an assembly, the assembly is private to the application.
To create a shared assembly requires that you assign a strong name to the assembly and then publish the assembly in the global assembly cache. The following list describes some of the features of assemblies compared to the features of Win32 DLLs:.
When you create an assembly, all the information that is required for the CLR to run the assembly is contained in the assembly manifest.
The assembly manifest contains a list of the dependent assemblies. Therefore, the CLR can maintain a consistent set of assemblies that are used in the application. In an assembly manifest, version information is recorded and enforced by the CLR. Additionally, version policies let you enforce version-specific usage.
In Win32 DLLs, versioning can't be enforced by the operating system. You must make sure that DLLs are backward compatible. Assemblies support side-by-side deployment. One application can use one version of an assembly, and another application can use a different version of an assembly.
Starting in Windows , side-by-side deployment is supported by locating DLLs in the application folder. Additionally, Windows File Protection prevents system DLLs from being overwritten or replaced by an unauthorized agent.
An application that is developed by using an assembly can be self-contained and isolated from other applications that are running on the computer. This feature helps you create zero-impact installations. An assembly is run under the security permissions that are supplied in the assembly manifest and that are controlled by the CLR.
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