TCheckBox.State Property

Indicates whether the check box is selected, deselected, or grayed.

Pascal

property State: TCheckBoxState;

C++

__property TCheckBoxState State;

Description

Use State to determine whether the check box is checked (cbChecked), unchecked (cbUnchecked), or grayed (cbGrayed).

C++ Examples:

Copy Code

/*
This example uses a check box on a form. When the
application runs, the check box is initially checked. When
the user clicks it, the check box is unchecked. Clicking it
again grays the check box.
*/
void __fastcall TForm1::FormCreate(TObject *Sender)
{
  CheckBox1->AllowGrayed = true;
  CheckBox1->State = cbChecked;
}

Delphi Examples:

Copy Code

{
This example uses a check box on a form. When the
application runs, the check box is initially checked. When
the user clicks it, the check box is unchecked. Clicking it
again grays the check box.
} 
procedure TForm1.FormCreate(Sender: TObject);
begin
  CheckBox1.AllowGrayed := True;
  CheckBox1.State := cbChecked;
end;