TextReader.Read Method (Char, Int32, Int32)
Assembly: mscorlib (in mscorlib.dll)
public virtual int Read ( [InAttribute] [OutAttribute] char buffer, int index, int count )
public int Read ( /** @attribute InAttribute() */ /** @attribute OutAttribute() */ char buffer, int index, int count )
When this method returns, contains the specified character array with the values between index and (index + count - 1) replaced by the characters read from the current source.
The place in buffer at which to begin writing.
The maximum number of characters to read. If the end of the stream is reached before count of characters is read into buffer, the current method returns.
Return ValueThe number of characters that have been read. The number will be less than or equal to count, depending on whether the data is available within the stream. This method returns zero if called when no more characters are left to read.
buffer is a null reference (Nothing in Visual Basic).
The buffer length minus index is less than count.
index or count is negative.
The TextReader is closed.
An I/O error occurs.
This method returns after either count characters are read or the end of the file is reached. ReadBlock is a blocking version of this method.
Windows 98, Windows Server 2000 SP4, Windows CE, Windows Millennium Edition, Windows Mobile for Pocket PC, Windows Mobile for Smartphone, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter EditionThe Microsoft .NET Framework 3.0 is supported on Windows Vista, Microsoft Windows XP SP2, and Windows Server 2003 SP1.