App.config相对路径

Question

I have folder "Icons". I need to access same in order to add an icon to imageList . I'm using app.config file in that have a relative path.

<add key="doc" value="..\Icons\_Microsoft Office Excel 97-2003 Worksheet.ico" />

and I'm using below code to add it to imgList ,however it throws System.IO.FileNotFoundException :

smallImageList.Images.Add(Image.FromFile(ConfigurationSettings.AppSettings["doc"]));

What's the problem here?

Answer 1

尝试添加当前运行路径：

smallImageList.Images.Add(Image.FromFile(Path.Combine(AppDomain.CurrentDomain.BaseDirectory, ConfigurationSettings.AppSettings["doc"])));

Answer 2

You might need to concatenate that with System.AppDomain.CurrentDomain.BaseDirectory.

I'd guess that FromFile is relative to the current working directory which is prone to change. The other thing to consider would be embedding the images in the assembly

Answer 3

Go to properties , find 'Copy to Output Directory' property and choose "Copy always" . Then it should be fine. Hope it will help.

Answer 4

Try using a tilda...

value="~\Icons_Microsoft Office Excel 97-2003 Worksheet.ico"

Which should start you from the application root.

Answer 5

Your working folder has somehow been modified during your program execution, you have to find your own path.

Try this:

using System.Reflection;
string CurrDirectory = Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location);

smallImageList.Images.Add(Image.FromFile(Path.Combine(CurrDirectory,ConfigurationSettings.AppSettings["doc"])));