StringReader.Read Method (Char[], Int32, Int32)

May 11, 2014

Reads a block of characters from the input string and advances the character position by count.

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

public override int Read(
	char[] buffer,
	int index,
	int count
)

Parameters

buffer
Type: System.Char []
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.
index
Type: System.Int32
The starting index in the buffer.
count
Type: System.Int32
The number of characters to read.

Return Value

Type: System.Int32
The total number of characters read into the buffer. This can be less than the number of characters requested if that many characters are not currently available, or zero if the end of the underlying string has been reached.

ExceptionCondition
ArgumentNullException

buffer is null.

ArgumentException

The buffer length minus index is less than count.

ArgumentOutOfRangeException

index or count is negative.

ObjectDisposedException

The current reader is closed.

This method overrides TextReader.Read.

The method will read up to count characters from the StringReader into the buffer character array starting at position index. Returns the actual number of characters read, or zero if the end of the string has been reached and no characters are read.

Windows Phone OS

Supported in: 8.1, 8.0, 7.1, 7.0

Windows Phone

Show:
© 2014 Microsoft