ดูรุ่นของ .Net compact บน Windows mobile

      Start > Programs > File Explorer. Windows folder and run cgacutil.exe.
     

1.0 RTM = 1.0.2268.0

1.0 SP1 = 1.0.3111.0

1.0 SP2 = 1.0.3316.0

1.0 SP3 = 1.0.4292.0

2.0 RTM = 2.0.5238.0

2.0 SP1 = 2.0.6129.0

2.0 SP2 = 2.0.7045.0

3.5 Beta 1 = 3.5.7066.0

3.5 Beta 2 = 3.5.7121.0

3.5 RTM = 3.5.7283.0

3.5 = 3.5.7283.0

3.7 = 3.7.8345.0

http://www.raymond.cc/blog/archives/2009/08/29/check-net-compact-framework-version-installed-on-windows-mobile/