a vb problem very important for me

hello sir/madam,
I am doing a coin slotting machine interface program using vb that uses the COM port to good effect. Now the objective is to disable the taskkeys and the mouse from working thru a vb program until a coin is slotted. The whole setup is to control internet usage. Eventhough the taskkeys are disabled, the F3 and F4 keys still work on the browser and hence the person can keep browsing even after his time has elapsed. For this I've to disable the F3 and F4 keys totally at the Operating System level so that no browser instance can utilize the short cut means to get input. How do we do this? Do we have any API for the same? I've searched hard and couldn't find any. Can you please suggest me a solution for the same?
Thank You
Bye and Regards
Sathesh

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originally posted by satheshbabur
Can you please suggest me a solution for the same?

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i think this thread is a good alternative. but this is not coin slotting machine :(

anyway instead of disbabling the taskeys, why don't you block the screen:rolleyes:

http://forums.vb-world.net/showthrea...ock+the+Screen