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NativeOverlapped Struct

  • Reference

Definition

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

Provides an explicit layout that is visible from unmanaged code and that will have the same layout as the Win32 OVERLAPPED structure with additional reserved fields at the end.

public value class NativeOverlapped
public struct NativeOverlapped
[System.Runtime.InteropServices.ComVisible(true)]
public struct NativeOverlapped
type NativeOverlapped = struct
[<System.Runtime.InteropServices.ComVisible(true)>]
type NativeOverlapped = struct
Public Structure NativeOverlapped
Inheritance
Object
ValueType
NativeOverlapped
Attributes
ComVisibleAttribute

Remarks

The NativeOverlapped .NET Framework value type represents an unmanaged version of the Win32 OVERLAPPED structure. The layout of this structure must be identical to OVERLAPPED. Four additional DWORDs are reserved at the end.

Fields

EventHandle

Specifies the handle to an event set to the signaled state when the operation is complete. The calling process must set this member either to zero or to a valid event handle before calling any overlapped functions.
InternalHigh

Specifies the length of the data transferred. Reserved for operating system use.
InternalLow

Specifies a system-dependent status. Reserved for operating system use.
OffsetHigh

Specifies the high word of the byte offset at which to start the transfer.
OffsetLow

Specifies a file position at which to start the transfer.

Applies to