reading data using Read() methods of different data typesĬonsole.WriteLine("String Value : " + reader.ReadString()) Ĭonsole.WriteLine("Double Value : " + reader.ReadDouble()) Ĭonsole.WriteLine("Boolean Value : " + reader.ReadBoolean()) īinaryReader is used to read primitive data types as binary values in a specific encoding stream. Using (BinaryReader reader = new BinaryReader(stream)) creating BinaryReader using Stream object Using (BinaryWriter writer = new BinaryWriter(stream))įileStream stream = new FileStream(filePath, FileMode.Open, creating binary file using BinaryWriter String filePath = "E:\\Content\\binaryFile.dat" įileStream stream = new FileStream(filePath, FileMode.OpenOrCreate, It is used to read a string from the current stream.Įxample of creating a file using BinaryWriter and reading it using BInaryReader. It is used to read a 4-byte signed integer from the current stream and also it advances the current position of the stream by four bytes. It is used to read an 8-byte floating-point value from the current stream and advances the current position of the stream by eight bytes. It is used to read the decimal value from the current stream and it also advances the current position of the stream by sixteen bytes. It is used to read the next character from the current stream and it also advances the current position of the stream according to the Encoding used and the specific character being read from the stream. It is used to read the next byte from the current stream and it also advances the current position of the stream by one byte.
It is used to read the Boolean value from the stream and it also advances the current position of the stream by one byte. It is used to read characters from an underlying stream and it also advances the current position of the stream according to the Encoding used and the specific character being read from the stream. Read() methods of BinaryReader for different types of data in the following table: Method
Such as the ReadString() method of BinaryReader is used to read the next byte as string value and also it advances the current position in the stream by one byte. Then with the help of different Read() methods of BinaryReader which are provided for different data types, we can read data from the file.īinaryReader has many Read() methods that support different data types and they are used to read primitive data types from a stream. BinaryReader binary_reader = new BinaryReader(inputStream, encoding, true) Along with this, we can optionally specify if we want the stream to be opened after the object of BinaryReader is disposed of as shown in the below statement. While creating an instance of BinaryReader we provide stream to read from then we can optionally specify the character encoding to be used if we do not specify encoding, by default UTF-8 encoding is used. After this, we need to create an instance of BinaryReader with the help of a ‘new’ operator and bypassing the object of Stream inside the constructor of BinaryReader. In order to work with BinaryReader, we first need to import System.IO namespace in our code. To help understand such data BinaryReader is used. Binary file stores data in a way which can be easily understood by a machine but for human it is very difficult to understand such data. it is used to read data stored in binary files.
How BinaryReader works in C#?īinaryReader is used to read binary information i.e. The benefit of creating an object inside the ‘using’ block is that it releases the memory held by the object when the work of the object is completed and it is no longer required. In the above statement, File.Open() method returns an object of FileStream and thus it helps in creating the object of BinaryReader. This parameter needs to be ‘true’ to leave the stream open otherwise it needs to be ‘false’.Īpart from these three ways, we can also create BinaryReader using the following statements: using(BinaryReader binary_reader = new BinaryReader(File.Open(file_path, FileMode.Open))) This statement works the same as the above two statements with an extra parameter of type Boolean which is used to specify if the user wants to leave the stream open after the object of BinaryReader is disposed of. This statement initializes a new instance of BinaryReader based on the specified stream ( inputStream) and encoding specified by encoding. BinaryReader binary_reader = new BinaryReader(inputStream, encoding) The above statement initializes a new instance of BinaryReader based on the specified stream (inputStream) by using UTF-8 encoding.
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Web development, programming languages, Software testing & others BinaryReader binary_reader = new BinaryReader(inputStream)
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