Both Read () and ReadBlock () are guaranteed to return at least one character unless the entire source has been read. Neither will return 0 if there is pending content. Calling ReadBlock () when Read () will do is wasteful, as it loops needlessly. But on the other hand it's not that wasteful. WebJul 8, 2024 · The method blocks until either count characters are read, or the end of the stream has been reached. This is a blocking version of Read. …
how to read a large text file in VB.NET - CodeProject
WebJul 6, 2011 · If we use ReadByte () method then eachtime when it is called , it reads a single byte from the file and returns an integer value.it returns -1 when the end of the file is encountered.And we use Read () for reading block of bytes. [General form of ReadByte ()] Int ReadByte () [General form of Read ()] WebCall the ReadBlock () method to read a block of characters from the file into the buffer, and then print out the characters that were read. Finally, close the StreamReader. Read webpage content using C# Streamreader To read the content of a webpage in C# using StreamReader, you can follow these steps: cia officer westley clark
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WebNov 29, 2011 · Dim block (4096) As Char, lines () As String Dim fragment As String = "" Using rdr As New IO.StreamReader (filePath) Do Until rdr.EndOfStream Dim numChars As Integer = rdr.ReadBlock (block, 0, block.Length) Dim blockString As String = New String (block) lines = blockString.Split ( CChar (vbLf)) lines (0) = fragment & lines (0) fragment = lines … http://www.java2s.com/Tutorials/CSharp/System.IO/StreamReader/C_StreamReader_ReadBlock.htm WebReadBlockAsync (Char [], Int32, Int32) Reads a specified maximum number of characters from the current string asynchronously and writes the data to a buffer, beginning at the specified index. C# public override System.Threading.Tasks.Task ReadBlockAsync (char[] buffer, int index, int count); Parameters buffer Char [] dfy hero