StringReader.Read Method (Char[], Int32, Int32)
Reads a block of characters from the input string and advances the character position by count.
Assembly: mscorlib (in mscorlib.dll)
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.Int32The 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.
| Exception | Condition |
|---|---|
| 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.
The following table lists examples of other typical or related I/O tasks.
To do this... | See the example in this topic... |
|---|---|
Create a text file. | |
Write to a text file. | |
Read from a text file. | |
Append text to a file. | |
Get the size of a file. | |
Get the attributes of a file. | |
Set the attributes of a file. | |
Determine if a file exists. | |
Read from a binary file. | |
Write to a binary file. |
Available since 8
.NET Framework
Available since 1.1
Portable Class Library
Supported in: portable .NET platforms
Silverlight
Available since 2.0
Windows Phone Silverlight
Available since 7.0
Windows Phone
Available since 8.1