There are two series of touch panel drivers on ADS Windows CE products. The first was pre10touch.dll. It is still available on most CE builds, but with CE 5.00, touch.dll is the default driver. Registry keys for touch.dll can be found in the Touch panel driver spec.
The following keys were used by pre10touch.dll are not used by touch.dll Deprecated keys: FlushRegOnCalibration SamplePeriodLowHns SamplePeriodHighHns AdcReadHoldoffHns PenDownHoldoffHns EnableRawDataMsg EnableWakeupByTouchPanel IntReenableDelay PenTchPointCount MgrPointCount NumInitialPointsReject MinCalibrationPointCount