Assembly: mscorlib (in mscorlib.dll)
public override IAsyncResult BeginWrite ( byte buffer, int offset, int numBytes, AsyncCallback userCallback, Object stateObject )
public IAsyncResult BeginWrite ( byte buffer, int offset, int numBytes, AsyncCallback userCallback, Object stateObject )
public override function BeginWrite ( buffer : byte, offset : int, numBytes : int, userCallback : AsyncCallback, stateObject : Object ) : IAsyncResult
The buffer to write data to.
The byte offset in buffer at which to begin writing.
The maximum number of bytes to write.
The method to call when the asynchronous write operation is completed. This parameter is optional.
The status of the asynchronous write.
Return ValueAn IAsyncResult that represents the asynchronous write, which is possibly still pending. This IAsyncResult must be passed to this stream's EndWrite method to ensure that the write is complete, then frees resources appropriately. This can be done either by the same code that called BeginWrite or in a callback passed to BeginWrite.
An asynchronous write was attempted past the end of the file.
If a IsolatedStorageFileStream object is writable, writing at the end of the stream expands the stream.
The current position in the stream is updated when you issue the asynchronous read or write, not when the I/O operation completes.
You must call EndWrite with the IAsyncResult object that this method returns to find out how many bytes were written.
Windows 98, Windows 2000 SP4, Windows Millennium Edition, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see System Requirements.