NativeOverlapped NativeOverlapped NativeOverlapped NativeOverlapped Struct


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
type NativeOverlapped = struct
Public Structure NativeOverlapped


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.


EventHandle EventHandle EventHandle 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 InternalHigh InternalHigh InternalHigh

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

InternalLow InternalLow InternalLow InternalLow

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

OffsetHigh OffsetHigh OffsetHigh OffsetHigh

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

OffsetLow OffsetLow OffsetLow OffsetLow

Specifies a file position at which to start the transfer.

Applies to