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Store the MemoryStream instance as a field. It also gives you the ability to reliably use multiple streams on a single piece of data.Īlso, you can sometimes reuse a single MemoryStream. Note: This consolidates resource acquisitions. With MemoryStream, we can act upon the byte array stored in memory rather than a file or other resource. Memory is much faster than disk or network accesses. It sometimes helps to put data into memory and simply leave it there.
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Output (The bytes from the file are written.)ĭiscussion.
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Using (BinaryReader reader = new BinaryReader(memory)) Use the memory stream in a binary reader. Using ( MemoryStream memory = new MemoryStream(file)) Create a memory stream from those bytes. Read all bytes in from a file on the disk.īyte file = File.ReadAllBytes("C:\\ICON1.png") Then, the MemoryStream is used as a backing store for the BinaryReader type, which acts upon the in-memory representation.īyte Array BinaryReader C# program that uses the MemoryStream type No more disk accesses occur after this.Ī MemoryStream is constructed from this byte array containing the file's data. The program physically reads in the bytes of specified file into the computer's memory. First, let's examine this program from a higher level. It can be reset-this leads to performance improvements.Įxample. MemoryStream represents a pure, in-memory stream of data. This C# article demonstrates the MemoryStream type from System.IO.