If you're looking to script and automate your interactions with a Windows application e.g your mouse clicks and keystrokes on the CamStudio UI, you can try AutoIt (freeware).
The list of features from the AutoIt website:
  
  - Easy to learn BASIC-like syntax
 
  - Simulate keystrokes and mouse    movements
 
  - Manipulate windows and processes 
 
  - Interact with all standard windows controls
 
  - Scripts can be compiled into standalone executables
 
  - Create Graphical User Interfaces (GUIs)
 
  - COM support 
 
  - Regular expressions 
 
  - Directly call external DLL and Windows API functions
 
  - Scriptable RunAs functions
 
  - Detailed helpfile and large community-based support forums
 
  - Compatible with Windows 95 / 98 / ME / NT4 / 2000 / XP / 2003 / Vista /
  2008
 
  - Unicode and x64 support 
 
  - Digitally signed for peace of mind 
 
  - Works with Windows Vista's User Account Control (UAC)
 
  
Also try asking at superuser.com, there may already be applications that might be doing something similiar.