IntPtr Structure (System)

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.NET Framework Class Library

IntPtr Structure

A platform-specific type that is used to represent a pointer or a handle.

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

Syntax

<[%$TOPIC/5he14kz8_en-us_VS_110_1_0_0_0_0%]> _
<[%$TOPIC/5he14kz8_en-us_VS_110_1_0_0_0_1%](True)> _
Public Structure IntPtr _
	Implements [%$TOPIC/5he14kz8_en-us_VS_110_1_0_0_0_2%]

[[%$TOPIC/5he14kz8_en-us_VS_110_1_0_1_0_0%]]
[[%$TOPIC/5he14kz8_en-us_VS_110_1_0_1_0_1%](true)]
public struct IntPtr : [%$TOPIC/5he14kz8_en-us_VS_110_1_0_1_0_2%]

[[%$TOPIC/5he14kz8_en-us_VS_110_1_0_2_0_0%]]
[[%$TOPIC/5he14kz8_en-us_VS_110_1_0_2_0_1%](true)]
public value class IntPtr : [%$TOPIC/5he14kz8_en-us_VS_110_1_0_2_0_2%]

[<[%$TOPIC/5he14kz8_en-us_VS_110_1_0_3_0_0%]>]
[<[%$TOPIC/5he14kz8_en-us_VS_110_1_0_3_0_1%]>]
[<[%$TOPIC/5he14kz8_en-us_VS_110_1_0_3_0_2%](true)>]
type IntPtr =  
    struct 
        interface [%$TOPIC/5he14kz8_en-us_VS_110_1_0_3_0_3%] 
    end

The IntPtr type exposes the following members.

Constructors

	Name	Description
	IntPtr(Int32)	Initializes a new instance of IntPtr using the specified 32-bit pointer or handle.
	IntPtr(Int64)	Initializes a new instance of IntPtr using the specified 64-bit pointer.
	IntPtr(Void*)	Initializes a new instance of IntPtr using the specified pointer to an unspecified type.

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Properties

	Name	Description
	Size	Gets the size of this instance.

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Methods

	Name	Description
	Add	Adds an offset to the value of a pointer.
	Equals	Returns a value indicating whether this instance is equal to a specified object. (Overrides ValueTypeEquals(Object).)
	GetHashCode	Returns the hash code for this instance. (Overrides ValueTypeGetHashCode.)
	GetType	Gets the Type of the current instance. (Inherited from Object.)
	Subtract	Subtracts an offset from the value of a pointer.
	ToInt32	Converts the value of this instance to a 32-bit signed integer.
	ToInt64	Converts the value of this instance to a 64-bit signed integer.
	ToPointer	Converts the value of this instance to a pointer to an unspecified type.
	ToString	Converts the numeric value of the current IntPtr object to its equivalent string representation. (Overrides ValueTypeToString.)
	ToString(String)	Converts the numeric value of the current IntPtr object to its equivalent string representation.

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Operators

	Name	Description
	Addition	Adds an offset to the value of a pointer.
	Equality	Determines whether two specified instances of IntPtr are equal.
	(Int32 to IntPtr)	Converts the value of a 32-bit signed integer to an IntPtr.
	(Int64 to IntPtr)	Converts the value of a 64-bit signed integer to an IntPtr.
	(IntPtr to Void*)	Converts the value of the specified IntPtr to a pointer to an unspecified type.
	(IntPtr to Int32)	Converts the value of the specified IntPtr to a 32-bit signed integer.
	(IntPtr to Int64)	Converts the value of the specified IntPtr to a 64-bit signed integer.
	(Void* to IntPtr)	Converts the specified pointer to an unspecified type to an IntPtr.
	Inequality	Determines whether two specified instances of IntPtr are not equal.
	Subtraction	Subtracts an offset from the value of a pointer.

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Fields

	Name	Description
	Zero	A read-only field that represents a pointer or handle that has been initialized to zero.

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Explicit Interface Implementations

	Name	Description
	ISerializableGetObjectData	Populates a SerializationInfo object with the data needed to serialize the current IntPtr object.

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Remarks

The IntPtr type is designed to be an integer whose size is platform-specific. That is, an instance of this type is expected to be 32-bits on 32-bit hardware and operating systems, and 64-bits on 64-bit hardware and operating systems.

The IntPtr type can be used by languages that support pointers, and as a common means of referring to data between languages that do and do not support pointers.

IntPtr objects can also be used to hold handles. For example, instances of IntPtr are used extensively in the System.IOFileStream class to hold file handles.

The IntPtr type is CLS-compliant, while the UIntPtr type is not. Only the IntPtr type is used in the common language runtime. The UIntPtr type is provided mostly to maintain architectural symmetry with the IntPtr type.

This type implements the ISerializable interface.

Version Information

.NET Framework

Supported in: 4.5, 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Portable Class Library

Supported in: Portable Class Library

.NET for Windows Store apps

Supported in: Windows 8

Platforms

Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

Thread Safety

This type is thread safe.

Reference

System Namespace

UIntPtr