将字节转换为图像 [英] convert byte to image

问题描述

你好朋友的
我的图片中有二进制形式的数据库.
我只有一种形式，只有一个班级
在班级中有sqlconnection，形式没有
我想通过这种方式传递给第二种形式:public byte [] imege {get;放; }
请告诉我该怎么做?

Hello Friend''s
I have database in binary form in picture.
i have one form and one class
in class have sqlconnection and form have not
i want to pass using like this to second form : public byte[] imege { get; set; }
plz tell me how to i do this?

推荐答案

您有Byte []( byteArray )吗?

将字节直接写入文件

Do you have Byte[] (byteArray) ?

Write the byte to file directly

System.IO.File.WriteAllBytes("C:\Text.jpg");  //Replace your Filepath

如果将byte转换为图像，它将是非常小的图像. :-)

您确实是在问一个字节数组.方法是:将字节放入内存流中，然后使用System.Drawing.Image.FromStream读取此内存流.

If you convert a byte to an image, it will be really small image. :-)

You really are asking about an array of bytes. Here is the way: you put the bytes in a memory stream and read this memory stream with System.Drawing.Image.FromStream.

byte[] imageData = //...;

//...

using (System.IO.MemoryStream stream = new System.IO.MemoryStream(imageData)) {
    System.Drawing.Image image = new System.Drawing.Image.FromStream(stream);
} // stream dispose is called here implicitly 

参见:
http://msdn.microsoft.com/en-us/library/system. drawing.image.fromstream.aspx [ ^ ]，
http://msdn.microsoft.com/en-us/library/system.io. memorystream.aspx [ ^ ].

如果需要，WPF也可以使用类似的方法.请参见，例如: http://forums.silverlight.net/p/44637/121951.aspx [< ^ ].

—SA

See:
http://msdn.microsoft.com/en-us/library/system.drawing.image.fromstream.aspx[^],
http://msdn.microsoft.com/en-us/library/system.io.memorystream.aspx[^].

If you want, WPF has similar methods. Please see, for example: http://forums.silverlight.net/p/44637/121951.aspx[^].

—SA

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