NativeOverlapped Structure
Microsoft Silverlight will reach end of support after October 2021. Learn more.
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.
Namespace: System.Threading
Assembly: mscorlib (in mscorlib.dll)
Syntax
'Declaration
<ComVisibleAttribute(True)> _
Public Structure NativeOverlapped
[ComVisibleAttribute(true)]
public struct NativeOverlapped
The NativeOverlapped type exposes the following members.
Methods
| Name | Description | |
|---|---|---|
.gif "Public method") .gif "Supported by Silverlight for Windows Phone") .gif "Supported by Xbox 360") |
Equals | Indicates whether this instance and a specified object are equal. (Inherited from ValueType.) |
.gif "Protected method") |
Finalize | Allows an object to try to free resources and perform other cleanup operations before the Object is reclaimed by garbage collection. (Inherited from Object.) |
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GetHashCode | Returns the hash code for this instance. (Inherited from ValueType.) |
|
GetType | Gets the Type of the current instance. (Inherited from Object.) |
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MemberwiseClone | Creates a shallow copy of the current Object. (Inherited from Object.) |
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ToString | Returns the fully qualified type name of this instance. (Inherited from ValueType.) |
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Fields
| Name | Description | |
|---|---|---|
.gif "Public field") |
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. |
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InternalHigh | Specifies the length of the data transferred. Reserved for operating system use. |
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InternalLow | Specifies a system-dependent status. Reserved for operating system use. |
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OffsetHigh | Specifies the high word of the byte offset at which to start the transfer. |
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OffsetLow | Specifies a file position at which to start the transfer. |
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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.
Version Information
Silverlight
Supported in: 5, 4, 3
Silverlight for Windows Phone
Supported in: Windows Phone OS 7.1, Windows Phone OS 7.0
XNA Framework
Supported in: Xbox 360, Windows Phone OS 7.0
Platforms
For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.
Thread Safety
Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.