IOCompletionCallback 委托
定义
重要
一些信息与预发行产品相关，相应产品在发行之前可能会进行重大修改。 对于此处提供的信息，Microsoft 不作任何明示或暗示的担保。
重要
此 API 不符合 CLS。
当 I/O 操作在线程池上完成时接收错误代码、字节数和重叠值类型。
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> -> unitPublic Delegate Sub IOCompletionCallback(errorCode As UInteger, numBytes As UInteger, pOVERLAP As NativeOverlapped*)参数
- errorCode
- UInt32
错误代码。
- numBytes
- UInt32
传输的字节数。
- pOVERLAP
- NativeOverlapped*
NativeOverlapped，表示指向本机重叠值类型的非托管指针。
- 属性
扩展方法
| GetMethodInfo(Delegate) |
获取指示指定委托表示的方法的对象。 |
