StringReader(String) Constructor

Definition

Namespace:

System.IO

Assembly:

System.Runtime.dll

Source:

StringReader.cs

Initializes a new instance of the StringReader class that reads from the specified string.

public:
 StringReader(System::String ^ s);

public StringReader (string s);

new System.IO.StringReader : string -> System.IO.StringReader

Public Sub New (s As String)

Parameters

s

String

The string to which the StringReader should be initialized.

Exceptions

ArgumentNullException

The s parameter is null.

Examples

This code example is part of a larger example provided for the StringReader class.

// From textReaderText, create a continuous paragraph 
// with two spaces between each sentence.
   String^ aLine;
String^ aParagraph;
StringReader^ strReader = gcnew StringReader( textReaderText );
while ( true )
{
   aLine = strReader->ReadLine();
   if ( aLine != nullptr )
   {
      aParagraph = String::Concat( aParagraph, aLine,  " " );
   }
   else
   {
      aParagraph = String::Concat( aParagraph,  "\n" );
      break;
   }
}

Console::WriteLine(  "Modified text:\n\n{0}", aParagraph );

// From textReaderText, create a continuous paragraph
// with two spaces between each sentence.
string aLine, aParagraph = null;
StringReader strReader = new StringReader(textReaderText);
while(true)
{
    aLine = strReader.ReadLine();
    if(aLine != null)
    {
        aParagraph = aParagraph + aLine + " ";
    }
    else
    {
        aParagraph = aParagraph + "\n";
        break;
    }
}
Console.WriteLine("Modified text:\n\n{0}", aParagraph);

' From textReaderText, create a continuous paragraph 
' with two spaces between each sentence.
Dim aLine, aParagraph As String
Dim strReader As New StringReader(textReaderText)
While True
    aLine = strReader.ReadLine()
    If aLine Is Nothing Then
        aParagraph = aParagraph & vbCrLf
        Exit While
    Else
        aParagraph = aParagraph & aLine & " "
    End If
End While
Console.WriteLine("Modified text:" & vbCrLf & vbCrLf & _ 
    aParagraph)

Remarks

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.	How to: Write Text to a File
Write to a text file.	How to: Write Text to a File
Read from a text file.	How to: Read Text from a File
Append text to a file.	How to: Open and Append to a Log File File.AppendText FileInfo.AppendText
Get the size of a file.	FileInfo.Length
Get the attributes of a file.	File.GetAttributes
Set the attributes of a file.	File.SetAttributes
Determine if a file exists.	File.Exists
Read from a binary file.	How to: Read and Write to a Newly Created Data File
Write to a binary file.	How to: Read and Write to a Newly Created Data File

See also

• File and Stream I/O
• How to: Read Text from a File
• How to: Write Text to a File