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{$MODE delphi}
unit tw11771;
interface
type
TEvent = procedure(A : TObject) of object;
TTest = class
private
FProc: TEvent;
procedure Proc1(A : TObject);
procedure Proc2(A : TObject = nil);
public
constructor Create;
procedure B(A : TEvent);
property A : TEvent read FProc write FProc;
end;
implementation
constructor TTest.Create;
begin
// FProc := Proc1;
// FProc := Proc2;
A := Proc1;
A := Proc2;
// B(Proc1);
B(Proc2);
end;
procedure ttest.Proc1(A : TObject);
begin
end;
procedure ttest.Proc2(A : TObject = nil);
begin
end;
procedure ttest.B(A : TEvent);
begin
end;
end.
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