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⤷ Synchronize thread with application
This is a simple example, which shows how to synchronize thread with application. In our example, we will get result of calculations in a main form.Use for this Synchronize method of TThread type.
type
TTestThread = class(TThread)
private
j: Integer;
protected
procedure GetResult;
procedure Execute; override;
end;
...
procedure TTestThread.GetResult;
begin
Form1.Caption:=IntToStr(j);
end;
procedure TTestThread.Execute;
var
i: Integer;
begin
j:=1;
FreeOnTerminate:=True;
for i:=1 to 90000000 do
begin
if Terminated then break;
Inc(j, Round(Abs(Sin(Sqrt(i)))));
end;
Synchronize(GetResult);
end;
procedure TForm1.Button1Click(Sender: TObject);
var
NewThread: TTestThread;
begin
NewThread:=TTestThread.Create(False);
end;
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