IOCompletionCallback Delegate

Definition

Namespace:
System.Threading
Assemblies:
mscorlib.dll, System.Threading.Overlapped.dll
Assembly:
System.Threading.Overlapped.dll
Assembly:
mscorlib.dll
Assembly:
netstandard.dll

Important

This API is not CLS-compliant.

Receives the error code, number of bytes, and overlapped value type when an I/O operation completes on the thread pool.

public delegate void IOCompletionCallback(System::UInt32 errorCode, System::UInt32 numBytes, NativeOverlapped* pOVERLAP);
[System.CLSCompliant(false)]
[System.Security.SecurityCritical]
public delegate void IOCompletionCallback(uint errorCode, uint numBytes, NativeOverlapped* pOVERLAP);
[System.CLSCompliant(false)]
public delegate void IOCompletionCallback(uint errorCode, uint numBytes, NativeOverlapped* pOVERLAP);
[System.CLSCompliant(false)]
[System.Runtime.InteropServices.ComVisible(true)]
public delegate void IOCompletionCallback(uint errorCode, uint numBytes, NativeOverlapped* pOVERLAP);
[System.CLSCompliant(false)]
[System.Security.SecurityCritical]
[System.Runtime.InteropServices.ComVisible(true)]
public delegate void IOCompletionCallback(uint errorCode, uint numBytes, NativeOverlapped* pOVERLAP);
[<System.CLSCompliant(false)>]
[<System.Security.SecurityCritical>]
type IOCompletionCallback = delegate of uint32 * uint32 * nativeptr<NativeOverlapped> -> unit
[<System.CLSCompliant(false)>]
type IOCompletionCallback = delegate of uint32 * uint32 * nativeptr<NativeOverlapped> -> unit
[<System.CLSCompliant(false)>]
[<System.Runtime.InteropServices.ComVisible(true)>]
type IOCompletionCallback = delegate of uint32 * uint32 * nativeptr<NativeOverlapped> -> unit
[<System.CLSCompliant(false)>]
[<System.Security.SecurityCritical>]
[<System.Runtime.InteropServices.ComVisible(true)>]
type IOCompletionCallback = delegate of uint32 * uint32 * nativeptr<NativeOverlapped> -> unit
Public Delegate Sub IOCompletionCallback(errorCode As UInteger, numBytes As UInteger, pOVERLAP As NativeOverlapped*)

Parameters

errorCode
UInt32

The error code.

numBytes
UInt32

The number of bytes that are transferred.

pOVERLAP
NativeOverlapped*

A NativeOverlapped representing an unmanaged pointer to the native overlapped value type.

Inheritance
Object
Delegate
IOCompletionCallback
Attributes
CLSCompliantAttribute SecurityCriticalAttribute ComVisibleAttribute

Extension Methods

GetMethodInfo(Delegate)

Gets an object that represents the method represented by the specified delegate.

Applies to