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Questions tagged [binarywriter]

170 questions
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Why a BinaryWriter closes the outer Stream on disposal, and how to prevent that? (.NET C#)

I have one method that receives a Stream to write on it using a BinaryWriter. But when I dispose this BinaryWriter it also closes the stream. Can I leave it undisposed so I can leave my stream open?
Jader Dias
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C# and .NET: How to serialize a structure into a byte[] array, using BinaryWriter?

How to serialize a rather complex structure into a byte[] array, using BinaryWriter? Update: For this to work, every structure (and sub-structure?) must be decorated with the [Serializable] attribute. I do not need to implement the ISerializable…
Contango
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C# BinaryWriter - and endianness

I am using BinaryWriter in my code, here is my code: static void Main(string[] args) { FileInfo file = new FileInfo(@"F:\testfile"); if (file.Exists) file.Delete(); using (BinaryWriter bw = new BinaryWriter(file.Create())) { …
Eddy Lin
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Why does BinaryWriter prepend gibberish to the start of a stream? How do you avoid it?

I'm debugging some issues with writing pieces of an object to a file and I've gotten down to the base case of just opening the file and writing "TEST" in it. I'm doing this by something like: static FileStream fs; static BinaryWriter w; fs = new…
Chris
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Get Encoding of BinaryReader/Writer?

The .NET BinaryReader/BinaryWriter classes can be constructed with specifying an Encoding to use for String-related operations. I was implementing custom string formats with extension methods, but would yet implement them in a way they respect the…
Ray
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Bit-Based BinaryWriter in C#

I'm working on a bit-based B/W/Greyscale Pre-Compiled font format, and was having issues with either reading or writing the format, (I've not been able to determine where the issue was. (I do have a B/W bit-based version working, but an Aliased font…
Orvid King
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Using BinaryWriter or BinaryReader in async code

I have a list of float to write to a file. The code below does the thing but it is synchronous. List samples = GetSamples(); using (FileStream stream = File.OpenWrite("somefile.bin")) using (BinaryWriter binaryWriter = new…
Yusuf Tarık Günaydın
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How To Write A String Of Binary To File C#

I Have A String Of Binary Number Like temp = "0101110011" And I Want To Save That As File this Temp Have 10 char And How Can I Save This string To file With 10 Bit Length ? void Save_Data(string temp) { bool[] BoolArray = new bool[temp.Length]; …
InvBoy
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BinaryWriter.Write(byte value) issue when value > 127

I'm writing raw byte values to a file: When values are <= 127, everything is ok. But if a byte is > 127, it gets all messsed up. I've already tried changing encoding format and such, with no success. public static void Generate() { var…
Rafael Moura
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How do I write a list using BinaryWriter?

I want to use a generic WriteList(List value) function to write a List using the BinaryWriter. Here is the code I am using: public void WriteList(List value) { for (int i = 0; i < value.Count; i++) { _writer.Write(value[i]); …
LunchMarble
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Difference between BinaryWriter and BinaryFormatter.Serialize?

I'm new to object serialization, and in the course of my learning how to read from and write to a file (deserialize and serialize) using BinaryFormatter, I came across BinaryReader and BinaryWriter, which seemed to be doing the same thing. Is there…
AustinC
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Size of types when writing into BinaryWriter

Size of each character in ASCII (StreamWriter) takes 1 byte whether its a number or character. Similarly what will be the size of each character, integer in binary? (BinaryWriter). Can some one explain in brief?
hitesh jain
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Binary Reader and Writer open at same time?

I'm writing code that deals with a file that uses hashes. I need to read a chunk, then hash it, then write it, then read another chunk, etc. In other words, I need to do a lot of reading and writing. I'm sure this is really simple, but I just…
mowwwalker
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Using BinaryWriter on an Object

My application is a small C# database, and I'm using BinaryWriter to save the database to a file which is working fine with the basic types such as bool, uint32 etc. Although I've got a variable that is of type Object (allowing the user to store any…
R4D4
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Faster way to write image to Process.StandardInput.BaseStream

Im trying to send a lot of desktop captured images to an encoders (FFmpeg) stdin. The following code example works. the CaptureScreen() function provides an image in 5-10 ms. If I save the image in a MemoryStream it takes almost no time. But I can…
Hasibii
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