Miscellaneous

How do I convert MemoryStream to StreamReader?

How do I convert MemoryStream to StreamReader?

MemoryStream ms = new MemoryStream(); entry. Extract(ms); StreamReader reader = new StreamReader(ms); DataSet ds = new DataSet(); ds. ReadXml(reader); dataGridView1.

What is MemoryStream C#?

MemoryStream in C# programs allows you to use in-memory byte arrays or other data as though they are streams. Instead of storing data in files, you can store data in-memory.

What is the difference between Stream and MemoryStream?

You would use the FileStream to read/write a file but a MemoryStream to read/write in-memory data, such as a byte array decoded from a string. You would not use a Stream in and of itself, but rather use it for polymorphism, i.e. passing it to methods that can accept any implementation of Stream as an argument.

What is MemoryStream used for?

MemoryStream encapsulates data stored as an unsigned byte array that is initialized upon creation of a MemoryStream object, or the array can be created as empty. The encapsulated data is directly accessible in memory. Memory streams can reduce the need for temporary buffers and files in an application.

What is MemoryStream io?

MemoryStream encapsulates data stored as an unsigned byte array. The encapsulated data is directly accessible in memory. Memory streams can reduce the need for temporary buffers and files in an application. The current position of a stream is the position at which the next read or write operation takes place.

How do I dispose of StreamReader?

Yes, StreamReader , StreamWriter , BinaryReader and BinaryWriter all close/dispose their underlying streams when you call Dispose on them. They don’t dispose of the stream if the reader/writer is just garbage collected though – you should always dispose of the reader/writer, preferrably with a using statement.

Is MemoryStream thread safe?

MemoryStream members are not documented as thread safe (e.g. Position ) so you need to ensure you are only access this instance (or any reference to an object logically a part of the MemoryStream ) from one thread at a time.

What is difference between FileStream and MemoryStream in C#?

Stream is a representation of bytes. Both these classes derive from the Stream class which is abstract by definition. As the name suggests, a FileStream reads and writes to a file whereas a MemoryStream reads and writes to the memory. So it relates to where the stream is stored.

Should StreamReader be disposed?

Is C# FileStream thread safe?

FileStream is not thread safe.

What is Microsoft IO RecyclableMemoryStream?

Microsoft. IO. RecyclableMemoryStream is a high-performance library designed to improve application performance when working with streams. It is a replacement for MemoryStream and provides better performance than MemoryStream instances.

How do you use StreamWriter and StreamReader?

Both classes are useful when you want to read or write character-based data. Both of these classes deal with Unicode characters. StreamReader derives from the Abstract class “TextReader” and StreamWriter derives from “TextWriter”….StreamReader And StreamWriter Classes In C#

Member Description
Read() Reads the next character from the input stream.

Can multiple threads read the same file C#?

So long as the file is only being read, multiple threads or programs can access and process it at the same time without treading on one another’s toes.

Why does the streamreader use a stream?

The streamReader uses a stream so you can read from it as you need and count on the framework to optimize things. – Amiram Korach Jul 9 ’12 at 14:55 @AmiramKorach: For one thing, you’re assuming this is text.

How do I retrieve a memorystream object at runtime?

If a MemoryStreamobject is added to a ResX file or a .resources file, call the GetStreammethod at runtime to retrieve it. If a MemoryStreamobject is serialized to a resource file it will actually be serialized as an UnmanagedMemoryStream.

What happens when you serialize a memorystream to a resource file?

If a MemoryStream object is serialized to a resource file it will actually be serialized as an UnmanagedMemoryStream. This behavior provides better performance, as well as the ability to get a pointer to the data directly, without having to go through Stream methods.

How do I read an empty memory stream in Java?

Empty memory streams are resizable, and can be written to and read from. If a MemoryStreamobject is added to a ResX file or a .resources file, call the GetStreammethod at runtime to retrieve it. If a MemoryStreamobject is serialized to a resource file it will actually be serialized as an UnmanagedMemoryStream.