How do you set up a file association with a click-once application?

Question

I have a click-once application.

I have an associated file that I store the application\'s data in.

When a user clicks on one of these files I want it to open th

Answer 1

When using Click Once, arguments are not passed in on the command line, they are passed in through the Click Once deployment system:

AppDomain.CurrentDomain.SetupInformation.ActivationArguments.ActivationData

For example, in your Program.cs file:

foreach (string commandLineFile in AppDomain.CurrentDomain.SetupInformation.ActivationArguments.ActivationData)
{
    MessageBox.Show( string.Format("Command Line File: {0}", commandLineFile) );
}

Hope this helps.