Being able to attach to a running process is a very powerful debugger feature.  It is especially handy when the application is in the field.  With the CorDbg debugger, formal attach to process support was not available when debugging .NET Compact Framework applications.  Using the .NET Compact Framework MDbg debugger extension (in version 2 service pack 1), support for attaching the debugger to running applications is now available from the command line.
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