Question: I tried to send Ctrl+Alt+Del key code to system from my
class, but it does not work...
Answer: The problem is that this combination is served differently
from all "normal" key combinations on hardware level. When you press those three
buttons an interrupt of processor occurs. When an interrupt occur processor
looks at its number and executes special program in specific memory location. If
you want to use this key combination you need to find proper windows library and
use it through JNI. Java does not serve this special case...
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