Sending message to another window

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I have an application using dial monitors which is used in an aution room.

The auctioneer has a form showing details of the current lot number. As he changes to the next lot number I need to send a message to a form on the other monitor to change to picture to this new lot.

Shat is the best way to have a form send a message to another form.

ie Monitor one is showing lot 10 details and the monitor two is showing the picture of lot 10. The auction moves to the next lot on his screen (lot 11) and the form on the second monitor now updates with the details of lot 11.

Regards
Jeff
.



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