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UnmanagedMemoryAccessor.Initialize Method

Sets the initial values for the accessor.

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

[SecurityPermissionAttribute(SecurityAction.Demand, Flags = SecurityPermissionFlag.UnmanagedCode)]
protected void Initialize(
	SafeBuffer buffer,
	long offset,
	long capacity,
	FileAccess access
)

Parameters

buffer
Type: System.Runtime.InteropServices.SafeBuffer
The buffer to contain the accessor.
offset
Type: System.Int64
The byte at which to start the accessor.
capacity
Type: System.Int64
The size, in bytes, of memory to allocate.
access
Type: System.IO.FileAccess
The type of access allowed to the memory. The default is ReadWrite.

ExceptionCondition
ArgumentException

offset plus capacity is greater than buffer.

ArgumentNullException

buffer is null.

ArgumentOutOfRangeException

offset or capacity is less than zero.

-or-

access is not a valid MemoryMappedFileAccess enumeration value.

InvalidOperationException

offset plus capacity would wrap around the high end of the address space.

This method is called by the constructors for this class.

.NET Framework

Supported in: 4

.NET Framework Client Profile

Supported in: 4

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.
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