Use under Windows sendmessage () function sends a message to unzip password input interface, write their own brute force function (large probability decoding, of course, not to come out, after all, too much, just curious about this kind of operation), the current test yourself short password can brute force, but brute force is to simulate click operation, so they will always pop up to enter the password at the interface between the interface, is there any way I can not pop up input interface can also use sendmessage () function sends a message?