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Boxing is the process of converting a value type to the type object or to any interface type that's implemented by the value type. When the common language runtime (CLR) boxes a value type, it wraps the value in a System.Object and stores it on the managed heap. Unboxing extracts the value type from the object. Boxing is implicit; unboxing is explicit.
Related Articles
Title |
Description |
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Describes how to explicitly request boxing on a variable. |
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How to: Use gcnew to Create Value Types and Use Implicit Boxing |
Shows how to use gcnew to create a boxed value type that can be placed on the managed, garbage-collected heap. |
Shows how to unbox and modify a value. |
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Shows that a standard conversion is chosen by the compiler over a conversion that requires boxing. |
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The top-level article for .NET programming in the Visual C++ documentation. |