Changing Workflow Composer Database Connections

The Workflow Composer application maintains three connection strings for the database(s) that it uses. Those connection strings represent the CampusNexus Student database, the durable instancing database used for workflow persistence, and the one for workflow tracking. The CampusNexus Student database refers to the main SIS database. The database for workflow persistence captures a workflow instance’s[…]

Registration-Free COM Component Activation

In order to use a Component Object Model (COM) component in an application, the binding/activation information must be made available so that the operating system can find it when a program needs the component. Typically this is accomplished by registering the COM component, which places the activation information in the Windows registry. Registration-free COM allows[…]

C# Anonymous Pipes for Interprocess Communication

There are times when you may need to communicate between multiple processes, perhaps to send messages or share data. A recent example that I worked on involved a 64-bit application that needed to use a 32-bit DLL. The 32-bit DLL had to run in a separate process, so interprocess communication (IPC) was needed to allow[…]

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