Reader. Peek Char Method
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Returns the next available character and does not advance the byte or character position.
virtual int PeekChar();
public virtual int PeekChar ();
abstract member PeekChar : unit -> int
override this.PeekChar : unit -> int
Public Overridable Function PeekChar () As Integer
The next available character, or -1 if no more characters are available or the stream does not support seeking.
An I/O error occurred.
The current character cannot be decoded into the internal character buffer by using the Encoding selected for the stream.
If surrogate characters can be expected in the stream use the ReadChars method, then set the stream back to the original position.
For a list of common I/O tasks, see Common I/O Tasks.