irgendwie will es nicht ... aber was stimmt hier nicht???


tell application "System Preferences"
activate
set current pane to pane "com.apple.preference.displays"
tell application "System Events"
set value of slider 1 of group 2 of tab group 1 of window "Color LCD" of process "System Preferences" to brightness_level
set property brightness_level to 0.5
end tell
quit

property brightness_level : 0.5

tell application "System Preferences"
activate
set current pane to pane "com.apple.preference.displays"
end tell

tell application "System Events"
tell process "System Preferences"
set value of slider 1 of group 2 of tab group 1 of window "Farb-LCD" to brightness_level
end tell
end tell