Converting Images to Byte Arrays and Back in C#
This article demonstrates how to efficiently convert images into byte arrays and vice-versa within a C# environment, focusing on methods suitable for WPF applications.
Method 1: Using MemoryStream
The ImageToByteArray method leverages a MemoryStream to capture the image data. The image is saved to the stream using its original format, and the resulting byte array is returned.
public byte[] ImageToByteArray(System.Drawing.Image imageIn)
{
using (var ms = new MemoryStream())
{
imageIn.Save(ms, imageIn.RawFormat);
return ms.ToArray();
}
}
Method 2: Direct Conversion with Image Class
C# provides built-in functionality for streamlined image-to-byte array conversion:
// Convert image to byte array
byte[] imageArray = Image.FromFile("image.jpg").ToByteArray();
// Convert byte array to image
Image convertedImage = Image.FromByteArray(imageArray);
``` This approach simplifies the process, eliminating the need for manual stream handling. Remember to handle potential exceptions (e.g., `FileNotFoundException`).The above is the detailed content of How to Convert an Image to a Byte Array and Back in C#?. For more information, please follow other related articles on the PHP Chinese website!
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