monitor blank area of window for any change

[Kevin]

after some thought and a good look again at that program i came up with a much better way than using scan at all

try this also handles problem of enable tx button becoming unchecked for any reason

Macro BlankAreaCk2

Code:

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int w=win("WSJT-X   v2.0.0   by K1JT" "Qt5QWindowIcon")
int c xy checked mx my mw mh
Acc a b 
a.Find(w "TEXT" "" "" 0x0)
rep
,b.Find(w "CHECKBUTTON" "Enable Tx Alt+n" "" 0x1001)    
,checked=b.State&STATE_SYSTEM_CHECKED
,if !checked
,,b.Location(mx my mw mh)
,,c=child(b)
,,ScreenToClient c +&mx
,,mx+mw/2; my+mh/2 ;;center
,,xy=(mx&0xffff)|(my<<16)
,,SendMessage(c WM_LBUTTONDOWN 1 xy)
,,SendMessage(c WM_LBUTTONUP 0 xy)    
,str lines=a.Value
,if numlines(lines) >5
,,out lines
,,out "stop"
,,b.Find(w "PUSHBUTTON" "Halt Tx Alt+H" "" 0x31)
,,b.DoDefaultAction
,,0.3
,,b.Find(w "PUSHBUTTON" "Erase Alt+E" "" 0x1)
,,b.DoDefaultAction
,1

 no mouse commands no screen coordinates