📄 fbracketprop.obs
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unit fbracketprop;interface uses windows,messages,sysutils,variants,classes,graphics
,controls,forms,dialogs,stdctrls;type tform1=class(TForm)button1:tbutton;checkbox1
:tcheckbox;button2:tbutton;button3:tbutton;checkbox2:tcheckbox;button4:tbutton;button5
:tbutton;procedure button1click(sender:tobject);procedure button2click(sender:tobject
);procedure button3click(sender:tobject);procedure button4click(sender:tobject);procedure
button5click(sender:tobject);private public end;var form1:tform1;implementation {$R *.dfm}
procedure tform1.button1click(sender:tobject);begin if(checkbox1.checked)then(checkbox1
.checked:=false);end;procedure tform1.button2click(sender:tobject);begin if(checkbox1
.checked)then (checkbox1.checked:=false)else (checkbox1.checked:=true);end;procedure
tform1.button3click(sender:tobject);begin if(checkbox1.checked)then (checkbox1.checked
:=false)else if(checkbox2.checked)then ((checkbox1.checked:=not checkbox1.checked
))else (((checkbox1.checked:=false)));end;procedure tform1.button4click(sender:tobject
);var liloop:integer;begin for liloop:=0 to 100 do (checkbox1.checked:=false);end
;procedure tform1.button5click(sender:tobject);begin while checkbox1.checked do (
checkbox1.checked:=not checkbox1.checked);end;end.
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