Working with live report

Sylvain LeraySylvain Leray
edited 3:05PM in FastReport 2.xx VCL
I work with a live report wich permit to check/uncheck checkbox just cliking on it on report preview. I writted following code in the OnObjectClick event :

if (View.typ = gtAddIn) then
begin
Chk := TfrCheckBoxView(View);
if trim(Chk.Memo.Text) = '-1' then
Chk.Memo.Text := '0'
else
Chk.Memo.Text := '-1';
end;

It works but the canvas is not refreshed, how can I refresh the canvas ?

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