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Frequently Asked Questions

Disabling a radio button in a TRadioGroup

Question:

Is it possible to disable a given radio button in a RadioGroup?

Answer:

The following example demonstrates accessing a individual 
radio button in a TRadioGroup component. Note that the 
RadioGroup.Controls is a zero based array.

Example:

procedure TForm1.Button1Click(Sender: TObject);
begin
    TRadioButton(RadioGroup1.Controls[1]). Enabled := False;
end;

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