PropertyTagImageDescription的Сhange值（位图/ C＃） [英] Сhange value of PropertyTagImageDescription (Bitmap/C#)

问题描述

好时光！我正在尝试解决为Bitmap对象更改值PropertyTagImageDescription（0x010E）的问题。添加文件的描述。搜索相关主题，并没有找到解决方案。我的用途：

Good time! I''m trying to solve the problem of changing the value PropertyTagImageDescription (0x010E) for the Bitmap object. To add a description for the file. Searching the related topics, and has not found the solution. My use:

Bitmap image = new Bitmap(Image.FromFile(fileName));
    var data = System.Text.Encoding.UTF8.GetBytes("My comment");
    PropertyItem propItem = image.GetPropertyItem(Convert.ToInt32(0x010E));
    propItem.Len = data.Length;
    propItem.Value = data;
    image.SetPropertyItem(propItem);

但是有一个错误：在GDI +中发生错误通用。< br $> b $ b

帮助我理解！我做错了什么？

But there is an error : "In GDI + error occurred generic."

Help me understand! What I''m doing wrong?

推荐答案

检查您正在寻找的属性是否对图像有效。如果PropertyItems集合为空，则最终会出现此错误。阅读更多此处 [ ^ ]

Check whether the property you are looking is valid for the image. If PropertyItems collection is empty you will end up with this error. read more here[^]

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