Variabel bliver ikke brugt?

Jeg har denne kode:
http://pastebin.com/f751a869d

Får disse build errors:
Warning    1    The variable 'totalTicks' is assigned but its value is never used    C:\Documents and Settings\mig\Lokale indstillinger\Application Data\Temporary Projects\RegisterIP\Form1.cs    23    17
Error    2    The name 'totalTicks' does not exist in the current context    C:\Documents and Settings\mig\Lokale indstillinger\Application Data\Temporary Projects\RegisterIP\Form1.cs        30    17
Error    3    The name 'totalTicks' does not exist in the current context    C:\Documents and Settings\mig\Lokale indstillinger\Application Data\Temporary Projects\RegisterIP\Form1.cs        32    17
Error    4    The name 'totalTicks' does not exist in the current context    C:\Documents and Settings\mig\Lokale indstillinger\Application Data\Temporary Projects\RegisterIP\Form1.cs        36    17
Error    5    The name 'totalTicks' does not exist in the current context    C:\Documents and Settings\mig\Lokale indstillinger\Application Data\Temporary Projects\RegisterIP\Form1.cs        37    55