To Prevent the default vertical scrolling action, the event handler sets the Handled parameter to true. Run the izlence and use the mouse wheel to see the values update. Try changing the mouse wheel sensitivity in the Control Panel and running the program again, noting the difference in the displayed https://cobjectkullanm31749.wiki-jp.com/717557/you_should_know_c_mouse_wheel_scrolling_kullanımı_göstergeleri