Examples:
FreezeDetector.exe without arguments - will list all processes with hung windows
FreezeDetector.exe "IMAGENAME eq my.exe" - check if my.exe process' window is hang
FreezeDetector.exe "PID eq 1234" - check if window of process with Process ID 1234 is hang.
Return exit code:
0 - was hang
1 - no hangs found.