PositionPointer Property

UnmanagedMemoryStream.PositionPointer Property

 

Gets or sets a byte pointer to a stream based on the current position in the stream.

This API is not CLS-compliant.

Namespace:   System.IO
Assembly:  mscorlib (in mscorlib.dll)

[CLSCompliantAttribute(false)]
public unsafe byte* PositionPointer {
	[SecurityCriticalAttribute]
	get;
	[SecurityCriticalAttribute]
	set;
}

Property Value

Type: System.Byte*

A byte pointer.

Exception Condition
IndexOutOfRangeException

The current position is larger than the capacity of the stream.

ArgumentOutOfRangeException

The position is being set is not a valid position in the current stream.

IOException

The pointer is being set to a lower value than the starting position of the stream.

NotSupportedException

The stream was initialized for use with a SafeBuffer. The PositionPointer property is valid only for streams that are initialized with a Byte pointer.

To return a pointer to the entire stream, set the Position property to zero, and then call this property.

SecurityPermission

for calling unmanaged code, such as calling native code with platform invoke or COM integration. Security action: LinkDemand. Associated enumeration: SecurityPermissionFlag.UnmanagedCode

SecurityCriticalAttribute

requires full trust for the immediate caller. This member cannot be used by partially trusted or transparent code.

Universal Windows Platform
Available since 10
.NET Framework
Available since 2.0
Silverlight
Available since 2.0
Windows Phone Silverlight
Available since 7.0
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