Adding an image to a control at runtime

Question

Hi I wish to add an image to a control on my application at runtime. I am using the Image.FromFile() method and this works fine on the developement machine. But then when i run the application on the test machine i get an error because it looks for a file with the specified path in my code. How do i ensure that the application is able to look for the image file on the test machine?

p.jones · Answer

There is an environment variable for the running executable so it can get a string representing the directory it loaded up from. f you are going to b einstalling your app to machines other than the development machine then you might want to a add a Setup project to your Solution. This handles setting up your app (built in another project of the same solution) on arbitrary machines. This includes development of directory layout. You then use in your app code the environment variable for the root directory of the app and add to that the subdirectory and file name of the image you want to load up.

Mykonine · Answer

I think it's better not to make a program that searches a file tree for the image it wants as searching both takes a long time and might not turn up what you want. It would probably be better if you included the image as an embedded resource in your executable or DLL.

jkersch · Answer

use the System.IO.Directory class (getFiles method) to get specific files from a directory. this will return a string array with filenames then you can load the with Image.fromFile().

Adam Erstelle · Answer

You will have to ensure the file is at the specified path that you have hard coded. If not you will have to hard code another path. There is a way to get the path of the appilcation...but I don't have it with me. It is easy to search for.