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OpCodes.Cpobj Field

Copies the value type located at the address of an object (type &, * or native int) to the address of the destination object (type &, * or native int).

Namespace:  System.Reflection.Emit
Assembly:  mscorlib (in mscorlib.dll)

public static readonly OpCode Cpobj

The following table lists the instruction's hexadecimal and Microsoft intermediate language (MSIL) assembly format, along with a brief reference summary:

Format

Assembly Format

Description

70 < T >

cpobj classTok

Copies a value type from a source object to a destination object.

The stack transitional behavior, in sequential order, is:

  1. The destination object reference is pushed onto the stack.

  2. The source object reference is pushed onto the stack.

  3. The two object references are popped from the stack; the value type at the address of the source object is copied to the address of the destination object.

The behavior of cpobj is unspecified if the source and destination object references are not pointers to instances of the class represented by the class token classTok (a typeref or typedef), or if classTok does not represent a value type.

NullReferenceException may be thrown if an invalid address is detected.

The following Emit method overload can use the cpobj opcode:

  • ILGenerator.Emit(OpCode, Type)

Silverlight

Supported in: 5, 4, 3

Silverlight for Windows Phone

Supported in: Windows Phone OS 7.1

For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.

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