When writing plugins for media center your plugin is hosted in ehexthost.exe this exe gets launched from ehshell.exe and you have no way of launchi
For VS2012, macros have been dropped, but you can still do it quite quickly with standard keyboard shortcuts. For instance, to attach to iisexpress.exe:
Ctrl + Alt + p - brings up the Attach To Process dialog
i - jumps to the the first process beginning with i in the list (for me this is iisexpress.exe)
Enter - attaches
For super speed, you can also Turn off Visual Studio Attach security warning when debugging IIS.