Dear Experts

1) Following are the codes on the Init of Form1

PUBLIC PVariable 
PVariable = 0 

2) and the following codes are on Timer1.Timer control

PVariable=PVariable+1
thisform.text1.value=PVariable
IF PVariable=300
CLOSE ALL
CLEAR EVENTS
quit
ENDIF

3) MouseMove event of form1 has following codes

thisform.text3.Value=thisform.text3.Value+1

Now the problem is MouseMove event fires ,after sometimes, automatically without tocuhing mouse device.

What is being wrong?
Please help

Thanks in advance