Within a Silverlight 3.0 application I want to use the AssemblyFileVersion to display the version information of the application. This is not the same as the AssemblyVersion and is typically retrieved in a .NET application using code such as:
var executingAssembly = Assembly.GetExecutingAssembly();
var fileVersionInfo = FileVersionInfo.GetVersionInfo(executingAssembly.Location);
var versionLabel = fileVersionInfo.FileVersion;
Unfortunately Silverlight 3.0 runtime does not include the FileVersionInfo class. Is there an alternative way to access this information?
Here's a way to do it with attributes - I'm not sure if it will work in Silverlight though so you'll have to let me know.
Assembly assembly = Assembly.GetExecutingAssembly();
object[] attributes = assembly.GetCustomAttributes(typeof(AssemblyFileVersionAttribute), false);
if (attributes != null && attributes.Length > 0)
{
AssemblyFileVersionAttribute fileVersionAttribute = (AssemblyFileVersionAttribute)attributes[0];
string version = fileVersionAttribute.Version;
}
I found a solution to this in a twitter post by Craig Young (courtesy of Google's page caching) using Assembly.GetCustomAttributes as follows
var executingAssembly = Assembly.GetExecutingAssembly();
var customAttributes = executingAssembly.GetCustomAttributes(typeof(AssemblyFileVersionAttribute), false);
if (customAttributes != null)
{
var assemblyFileVersionAttribute = customAttributes[0] as AssemblyFileVersionAttribute;
var fileVersionLabel = assemblyFileVersionAttribute.Version;
}
Posting this solution for future reference.
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