How can I discover the path of an embedded resource

Question

I am storing a PNG as an embedded resource in an assembly   From within the same assembly I have some code like this   Bitmap image   new Bitmap typeof MyClass    Resources file png      The file  named  file png  is stored in the  Resources  folder  within Visual Studio   and is marked as an embedded resource   The code fails with an exception saying        Resource MyNamespace Resources file png cannot be found in class MyNamespace MyClass   I have identical code  in a different assembly  loading a different resource  which works  So I know the technique is sound  My problem is I end up spending a lot of time trying to figure out what the correct path is  If I could simply query  eg  in the debugger  the assembly to find the correct path  that would save me a load of headaches

User · Answer

The name of the resource is the name space plus the "pseudo" name space of the path to the file. The "pseudo" name space is made by the sub folder structure using \ (backslashes) instead of . (dots).

public static Stream GetResourceFileStream(String nameSpace, String filePath)
{
    String pseduoName = filePath.Replace('\\', '.');
    Assembly assembly = Assembly.GetExecutingAssembly();
    return assembly.GetManifestResourceStream(nameSpace + "." + pseduoName);
}

The following call:

GetResourceFileStream("my.namespace", "resources\\xml\\my.xml")

will return the stream of my.xml located in the folder-structure resources\xml in the name space: my.namespace.

User · Answer

I use the following method to grab embedded resources       protected static Stream GetResourceStream string resourcePath                Assembly assembly   Assembly GetExecutingAssembly            List lt string gt  resourceNames   new List lt string gt  assembly GetManifestResourceNames              resourcePath   resourcePath Replace                     resourcePath   resourceNames FirstOrDefault r   gt  r Contains resourcePath             if  resourcePath    null              throw new FileNotFoundException  Resource not found             return assembly GetManifestResourceStream resourcePath           I then call this with the path in the project   GetResourceStream   DirectoryPathInLibrary Filename

User · Answer

This will get you a string array of all the resources   System Reflection Assembly GetExecutingAssembly   GetManifestResourceNames

User · Answer

I m guessing that your class is in a different namespace  The canonical way to solve this would be to use the resources class and a strongly typed resource   ProjectNamespace Properties Resources file   Use the IDE s resource manager to add resources

User · Answer

I find myself forgetting how to do this every time as well so I just wrap the two one-liners that I need in a little class   public class Utility            lt summary gt          Takes the full name of a resource and loads it in to a stream           lt  summary gt           lt param name  resourceName  gt Assuming an embedded resource is a file         called info png and is located in a folder called Resources  it         will be compiled in to the assembly with this fully qualified         name  Full Assembly Name Resources info png  That is the string         that you should pass to this method  lt  param gt           lt returns gt  lt  returns gt      public static Stream GetEmbeddedResourceStream string resourceName                return Assembly GetExecutingAssembly   GetManifestResourceStream resourceName                   lt summary gt          Get the list of all emdedded resources in the assembly           lt  summary gt           lt returns gt An array of fully qualified resource names lt  returns gt      public static string   GetEmbeddedResourceNames                 return Assembly GetExecutingAssembly   GetManifestResourceNames

[c#] How can I discover the "path" of an embedded resource?

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