By John Paul Mueller CNE, Julian Templeman
This in-depth programming consultant explains how and the place COM and COM+ healthy into the recent .NET global, demonstrates the recent applied sciences which are on hand in .NET, and indicates tips on how to interoperate among COM/COM+ and .NET.
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Extra info for COM Programming with Microsoft .NET
Click Finish. At this point, the application you need is created; all you need to do is install it. 8. msi file on the client machine. You’ll need to install the proxy application on every machine that will use the component in the COM+ application. 9. msi, and then choose Install from the context menu. An installation dialog will appear for a few moments, and then go away. At this point, you have access to the server-side component through the proxy application. You could create a standard Visual Basic application and use the component without ever seeing the connection between the client and server.
Library applications do, however, execute faster because there are fewer process boundaries to cross. Figure 2-4: Use the COM+ Application Install Wizard to give your application a name and define the application type. 8. Type a name for the application. The example uses MyMathApp, but you can use any name you like. 9. Choose between the Server Application and Library Application options. The sample application uses the Server Application option because it allows more complete testing of the component and better protection during debugging.
Notice that we still have two options to choose from with regard to role-based security, but that Administrator appears in the Roles Inherited By Selected Item(s) list box. This means you don’t have a choice about the Administrator role—anyone in this role already has access to this interface. You’ll find that the same rule holds true for methods. In other words, everyone in the Administrators group can access everything this component has to offer. On the other hand, the User role still hasn’t been defined.
COM Programming with Microsoft .NET by John Paul Mueller CNE, Julian Templeman