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Type library

Type library is a compiled file (.tlb) containing metadata that describes interfaces and data types. Type libraries can be used to describe vtable interfaces, regular functions, COM components, and DLL modules. Type libraries are compiled from Interface Definition Language (IDL) files using the MIDL compiler.

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Types

Types are a set of data and function members that are combined to form the modular units used to build a .NET applications. Pre-defined types exist within the CLR and user-defined types are created by developers. Types include enumerations, structures, classes, standard modules, interfaces, and delegates.

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Type-safe

Type-safe is code that accesses only the memory locations it is authorized to access, and only in well-defined, allowable ways. Type-safe code cannot perform an operation on an object that is invalid for that object. The C# and VB.NET language compilers always produce type-safe code, which is verified to be type-safe during JIT-compilation.

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Try/Catch block

Try/Catch block is an exception handling mechanism in program code. A try block contains a set of program statements that may possibly throw an exception when executed. The associated catch block contains program statements that handle any exception that is thrown in the try block. Multiple catch blocks may be defined to catch specific exceptions (e.g., divide by …

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