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<Type Name="GCHandle" FullName="System.Runtime.InteropServices.GCHandle" FullNameSP="System_Runtime_InteropServices_GCHandle" Maintainer="ecma">
<TypeSignature Language="ILASM" Value=".class public sequential sealed GCHandle extends System.ValueType" />
<TypeSignature Language="C#" Value="public struct GCHandle" />
<MemberOfLibrary>RuntimeInfrastructure</MemberOfLibrary>
<AssemblyInfo>
<AssemblyName>mscorlib</AssemblyName>
<AssemblyPublicKey>[00 00 00 00 00 00 00 00 04 00 00 00 00 00 00 00 ]</AssemblyPublicKey>
<AssemblyVersion>1.0.5000.0</AssemblyVersion>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
</AssemblyInfo>
<ThreadingSafetyStatement>All public static members of this type are safe for multithreaded operations. No instance members are guaranteed to be thread safe.</ThreadingSafetyStatement>
<Base>
<BaseTypeName>System.ValueType</BaseTypeName>
</Base>
<Interfaces />
<Docs>
<summary>
<para> Provides a means for referencing a managed object from
unmanaged memory.</para>
</summary>
<remarks>
<para>Use a <see cref="T:System.Runtime.InteropServices.GCHandle" /> when an
object reference is required to be accessible from unmanaged
memory.</para>
<para> The <see cref="T:System.Runtime.InteropServices.GCHandleType" /> enumeration describes the
possible <see cref="T:System.Runtime.InteropServices.GCHandle" />
types.</para>
<para>
<block subset="none" type="note">If the type of the <see cref="T:System.Runtime.InteropServices.GCHandle" /> is
<see cref="F:System.Runtime.InteropServices.GCHandleType.Normal" />, then it is an opaque
handle, and the address of the object it references cannot be resolved through
it.</block>
</para>
</remarks>
</Docs>
<Members>
<Member MemberName="AddrOfPinnedObject">
<MemberSignature Language="ILASM" Value=".method public hidebysig instance valuetype System.IntPtr AddrOfPinnedObject()" />
<MemberSignature Language="C#" Value="public IntPtr AddrOfPinnedObject ();" />
<MemberType>Method</MemberType>
<ReturnValue>
<ReturnType>System.IntPtr</ReturnType>
</ReturnValue>
<Parameters />
<Docs>
<summary>
<para>Returns the address of an object being referred to by a <see cref="F:System.Runtime.InteropServices.GCHandleType.Pinned" /> handle.</para>
</summary>
<returns>
<para>A <see cref="T:System.IntPtr" /> containing the address of the of the <see cref="F:System.Runtime.InteropServices.GCHandleType.Pinned" /> object as a
<see cref="T:System.IntPtr" /> .</para>
</returns>
<remarks>To be added.</remarks>
<exception cref="T:System.InvalidOperationException">The handle type is not <see cref="F:System.Runtime.InteropServices.GCHandleType.Pinned" /> .</exception>
<permission cref="T:System.Security.Permissions.SecurityPermission">
<para>Requires permission to call unmanaged code. See <see cref="F:System.Security.Permissions.SecurityPermissionFlag.UnmanagedCode" qualify="true" /> .</para>
</permission>
</Docs>
<Excluded>0</Excluded>
<AssemblyInfo>
<AssemblyVersion>1.0.5000.0</AssemblyVersion>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
</AssemblyInfo>
</Member>
<Member MemberName="Alloc">
<MemberSignature Language="ILASM" Value=".method public hidebysig static valuetype System.Runtime.InteropServices.GCHandle Alloc(object value)" />
<MemberSignature Language="C#" Value="public static System.Runtime.InteropServices.GCHandle Alloc (object value);" />
<MemberType>Method</MemberType>
<ReturnValue>
<ReturnType>System.Runtime.InteropServices.GCHandle</ReturnType>
</ReturnValue>
<Parameters>
<Parameter Name="value" Type="System.Object" />
</Parameters>
<Docs>
<param name="value">The object for which the <see cref="T:System.Runtime.InteropServices.GCHandle" /> is created. Can be <see langword="null" /> .</param>
<summary>
<para>Allocates a <see cref="F:System.Runtime.InteropServices.GCHandleType.Normal" qualify="true" />
handle for the specified object.</para>
</summary>
<returns>
<para> A new <see cref="T:System.Runtime.InteropServices.GCHandle" /> instance that protects the
object from garbage collection.</para>
</returns>
<remarks>
<para>A <see cref="F:System.Runtime.InteropServices.GCHandleType.Normal" /> handle ensures the
object will not be collected by the garbage collector.</para>
<para>If the <paramref name="value" />
parameter is <see langword="null" />, this method
returns a valid <see cref="T:System.Runtime.InteropServices.GCHandle" />. <block subset="none" type="note">The target of the handle can be changed via the
<see cref="P:System.Runtime.InteropServices.GCHandle.Target" /> property.</block></para>
</remarks>
<permission cref="T:System.Security.Permissions.SecurityPermission">
<para>Requires permission to call unmanaged code. See <see cref="F:System.Security.Permissions.SecurityPermissionFlag.UnmanagedCode" qualify="true" /> .</para>
</permission>
</Docs>
<Excluded>0</Excluded>
<AssemblyInfo>
<AssemblyVersion>1.0.5000.0</AssemblyVersion>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
</AssemblyInfo>
</Member>
<Member MemberName="Alloc">
<MemberSignature Language="ILASM" Value=".method public hidebysig static valuetype System.Runtime.InteropServices.GCHandle Alloc(object value, valuetype System.Runtime.InteropServices.GCHandleType type)" />
<MemberSignature Language="C#" Value="public static System.Runtime.InteropServices.GCHandle Alloc (object value, System.Runtime.InteropServices.GCHandleType type);" />
<MemberType>Method</MemberType>
<ReturnValue>
<ReturnType>System.Runtime.InteropServices.GCHandle</ReturnType>
</ReturnValue>
<Parameters>
<Parameter Name="value" Type="System.Object" />
<Parameter Name="type" Type="System.Runtime.InteropServices.GCHandleType" />
</Parameters>
<Docs>
<param name="value">The object for which the <see cref="T:System.Runtime.InteropServices.GCHandle" /> is created. Can be <see langword="null" /> .</param>
<param name="type">A <see cref="T:System.Runtime.InteropServices.GCHandleType" /> value that specifies the type of <see cref="T:System.Runtime.InteropServices.GCHandle" /> to create.</param>
<param name="type">To be added.</param>
<summary>
<para>Allocates a handle of the specified type for the specified object.</para>
</summary>
<returns>
<para> A new <see cref="T:System.Runtime.InteropServices.GCHandle" /> instance
that protects the object.</para>
</returns>
<remarks>
<para> If the <paramref name="value" /> parameter is
<see langword="null" /> , this method returns a valid <see cref="T:System.Runtime.InteropServices.GCHandle" />. <block subset="none" type="note">The target of
the handle can be changed via the <see cref="P:System.Runtime.InteropServices.GCHandle.Target" />
property.</block></para>
</remarks>
<permission cref="T:System.Security.Permissions.SecurityPermission">
<para>Requires permission to call unmanaged code. See <see cref="F:System.Security.Permissions.SecurityPermissionFlag.UnmanagedCode" qualify="true" /> .</para>
</permission>
</Docs>
<Excluded>0</Excluded>
<AssemblyInfo>
<AssemblyVersion>1.0.5000.0</AssemblyVersion>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
</AssemblyInfo>
</Member>
<Member MemberName="Equals">
<MemberSignature Language="C#" Value="public override bool Equals (object o);" />
<MemberType>Method</MemberType>
<ReturnValue>
<ReturnType>System.Boolean</ReturnType>
</ReturnValue>
<Parameters>
<Parameter Name="o" Type="System.Object" />
</Parameters>
<Docs>
<param name="o">To be added.</param>
<summary>To be added.</summary>
<returns>To be added.</returns>
<remarks>To be added.</remarks>
<since version=".NET 2.0" />
</Docs>
<AssemblyInfo>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
</AssemblyInfo>
</Member>
<Member MemberName="Free">
<MemberSignature Language="ILASM" Value=".method public hidebysig instance void Free()" />
<MemberSignature Language="C#" Value="public void Free ();" />
<MemberType>Method</MemberType>
<ReturnValue>
<ReturnType>System.Void</ReturnType>
</ReturnValue>
<Parameters />
<Docs>
<summary>
<para>Frees a <see cref="T:System.Runtime.InteropServices.GCHandle" />.</para>
</summary>
<remarks>
<para> The caller is required to provide synchronization to
prevent multiple threads from executing this method simultaneously for a given
handle.</para>
</remarks>
<exception cref="T:System.InvalidOperationException">The handle has already been freed or was never initialized.</exception>
<permission cref="T:System.Security.Permissions.SecurityPermission">
<para>Requires permission to call unmanaged code. See <see cref="F:System.Security.Permissions.SecurityPermissionFlag.UnmanagedCode" qualify="true" /> .</para>
</permission>
</Docs>
<Excluded>0</Excluded>
<AssemblyInfo>
<AssemblyVersion>1.0.5000.0</AssemblyVersion>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
</AssemblyInfo>
</Member>
<Member MemberName="FromIntPtr">
<MemberSignature Language="C#" Value="public static System.Runtime.InteropServices.GCHandle FromIntPtr (IntPtr value);" />
<MemberType>Method</MemberType>
<ReturnValue>
<ReturnType>System.Runtime.InteropServices.GCHandle</ReturnType>
</ReturnValue>
<Parameters>
<Parameter Name="value" Type="System.IntPtr" />
</Parameters>
<Docs>
<param name="value">To be added.</param>
<summary>To be added.</summary>
<returns>To be added.</returns>
<remarks>To be added.</remarks>
<since version=".NET 2.0" />
</Docs>
<AssemblyInfo>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
</AssemblyInfo>
</Member>
<Member MemberName="GetHashCode">
<MemberSignature Language="C#" Value="public override int GetHashCode ();" />
<MemberType>Method</MemberType>
<ReturnValue>
<ReturnType>System.Int32</ReturnType>
</ReturnValue>
<Parameters />
<Docs>
<summary>To be added.</summary>
<returns>To be added.</returns>
<remarks>To be added.</remarks>
<since version=".NET 2.0" />
</Docs>
<AssemblyInfo>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
</AssemblyInfo>
</Member>
<Member MemberName="IsAllocated">
<MemberSignature Language="ILASM" Value=".property bool IsAllocated { public hidebysig specialname instance bool get_IsAllocated() }" />
<MemberSignature Language="C#" Value="public bool IsAllocated { get; }" />
<MemberType>Property</MemberType>
<ReturnValue>
<ReturnType>System.Boolean</ReturnType>
</ReturnValue>
<Parameters />
<Docs>
<summary>
<para>Gets a <see cref="T:System.Boolean" /> value indicating whether the current <see cref="T:System.Runtime.InteropServices.GCHandle" /> instance is allocated.</para>
</summary>
<value>
<para>
<see langword="true" /> if the handle
is allocated; otherwise, <see langword="false" /> .</para>
</value>
<remarks>
<para>This property is read-only.</para>
<para> Use this method to determine whether
the <see cref="T:System.Runtime.InteropServices.GCHandle" />
is still available.</para>
<para>
<block subset="none" type="note">When the garbage collector collects the
object, the handle could still be resurrected in the finalizer.</block>
</para>
</remarks>
</Docs>
<Excluded>0</Excluded>
<AssemblyInfo>
<AssemblyVersion>1.0.5000.0</AssemblyVersion>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
</AssemblyInfo>
</Member>
<Member MemberName="op_Equality">
<MemberSignature Language="C#" Value="public static bool op_Equality (System.Runtime.InteropServices.GCHandle a, System.Runtime.InteropServices.GCHandle b);" />
<MemberType>Method</MemberType>
<ReturnValue>
<ReturnType>System.Boolean</ReturnType>
</ReturnValue>
<Parameters>
<Parameter Name="a" Type="System.Runtime.InteropServices.GCHandle" />
<Parameter Name="b" Type="System.Runtime.InteropServices.GCHandle" />
</Parameters>
<Docs>
<param name="a">To be added.</param>
<param name="b">To be added.</param>
<summary>To be added.</summary>
<returns>To be added.</returns>
<remarks>To be added.</remarks>
<since version=".NET 2.0" />
</Docs>
<AssemblyInfo>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
</AssemblyInfo>
</Member>
<Member MemberName="op_Explicit">
<MemberSignature Language="ILASM" Value=".method public hidebysig static specialname valuetype System.Runtime.InteropServices.GCHandle op_Explicit(valuetype System.IntPtr value)" />
<MemberSignature Language="C#" Value="public static System.Runtime.InteropServices.GCHandle op_Explicit (IntPtr value);" />
<MemberType>Method</MemberType>
<ReturnValue>
<ReturnType>System.Runtime.InteropServices.GCHandle</ReturnType>
</ReturnValue>
<Parameters>
<Parameter Name="value" Type="System.IntPtr" />
</Parameters>
<Docs>
<param name="value">The <see cref="T:System.IntPtr" /> to be converted.</param>
<summary>
<para> Convert a <see cref="T:System.IntPtr" /> to a <see cref="T:System.Runtime.InteropServices.GCHandle" />
instance.</para>
</summary>
<returns>
<para> A <see cref="T:System.Runtime.InteropServices.GCHandle" /> .</para>
</returns>
<remarks>
<para>
<see cref="T:System.Runtime.InteropServices.GCHandle" />
instances are stored using an internal integer
representation. This method allows you to retrieve a <see cref="T:System.Runtime.InteropServices.GCHandle" />
from its integer representation.</para>
</remarks>
</Docs>
<Excluded>0</Excluded>
<AssemblyInfo>
<AssemblyVersion>1.0.5000.0</AssemblyVersion>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
</AssemblyInfo>
</Member>
<Member MemberName="op_Explicit">
<MemberSignature Language="ILASM" Value=".method public hidebysig static specialname valuetype System.IntPtr op_Explicit(valuetype System.Runtime.InteropServices.GCHandle value)" />
<MemberSignature Language="C#" Value="public static IntPtr op_Explicit (System.Runtime.InteropServices.GCHandle value);" />
<MemberType>Method</MemberType>
<ReturnValue>
<ReturnType>System.IntPtr</ReturnType>
</ReturnValue>
<Parameters>
<Parameter Name="value" Type="System.Runtime.InteropServices.GCHandle" />
</Parameters>
<Docs>
<param name="value">The <see cref="T:System.Runtime.InteropServices.GCHandle" /> to be converted.</param>
<summary>
<para> Converts a <see cref="T:System.Runtime.InteropServices.GCHandle" /> instance to
a <see cref="T:System.IntPtr" />.</para>
</summary>
<returns>
<para>A <see cref="T:System.IntPtr" /> representation of the specified <see cref="T:System.Runtime.InteropServices.GCHandle" /> .</para>
</returns>
<remarks>
<para>
<see cref="T:System.Runtime.InteropServices.GCHandle" /> instances are stored using
an internal integer representation. This method allows you to retrieve that
representation.</para>
</remarks>
</Docs>
<Excluded>0</Excluded>
<AssemblyInfo>
<AssemblyVersion>1.0.5000.0</AssemblyVersion>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
</AssemblyInfo>
</Member>
<Member MemberName="op_Inequality">
<MemberSignature Language="C#" Value="public static bool op_Inequality (System.Runtime.InteropServices.GCHandle a, System.Runtime.InteropServices.GCHandle b);" />
<MemberType>Method</MemberType>
<ReturnValue>
<ReturnType>System.Boolean</ReturnType>
</ReturnValue>
<Parameters>
<Parameter Name="a" Type="System.Runtime.InteropServices.GCHandle" />
<Parameter Name="b" Type="System.Runtime.InteropServices.GCHandle" />
</Parameters>
<Docs>
<param name="a">To be added.</param>
<param name="b">To be added.</param>
<summary>To be added.</summary>
<returns>To be added.</returns>
<remarks>To be added.</remarks>
<since version=".NET 2.0" />
</Docs>
<AssemblyInfo>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
</AssemblyInfo>
</Member>
<Member MemberName="Target">
<MemberSignature Language="ILASM" Value=".property object Target { public hidebysig specialname instance object get_Target() public hidebysig specialname instance void set_Target(object value) }" />
<MemberSignature Language="C#" Value="public object Target { set; get; }" />
<MemberType>Property</MemberType>
<ReturnValue>
<ReturnType>System.Object</ReturnType>
</ReturnValue>
<Parameters />
<Docs>
<summary>
<para>Gets or sets a reference to the object the current <see cref="T:System.Runtime.InteropServices.GCHandle" /> instance represents.</para>
</summary>
<value>
<para>The object this handle represents.</para>
</value>
<remarks>To be added.</remarks>
<exception cref="T:System.InvalidOperationException">
<para>The current <see cref="T:System.Runtime.InteropServices.GCHandle" /> instance has already been freed or was never initialized.</para>
</exception>
</Docs>
<Excluded>0</Excluded>
<AssemblyInfo>
<AssemblyVersion>1.0.5000.0</AssemblyVersion>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
</AssemblyInfo>
</Member>
<Member MemberName="ToIntPtr">
<MemberSignature Language="C#" Value="public static IntPtr ToIntPtr (System.Runtime.InteropServices.GCHandle value);" />
<MemberType>Method</MemberType>
<ReturnValue>
<ReturnType>System.IntPtr</ReturnType>
</ReturnValue>
<Parameters>
<Parameter Name="value" Type="System.Runtime.InteropServices.GCHandle" />
</Parameters>
<Docs>
<param name="value">To be added.</param>
<summary>To be added.</summary>
<returns>To be added.</returns>
<remarks>To be added.</remarks>
<since version=".NET 2.0" />
</Docs>
<AssemblyInfo>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
</AssemblyInfo>
</Member>
</Members>
<TypeExcluded>0</TypeExcluded>
<Attributes>
<Attribute>
<AttributeName>System.Runtime.InteropServices.ComVisible(true)</AttributeName>
</Attribute>
</Attributes>
</Type>
|
