Mega Code Archive
How to use radio buttons in a listbox
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Title: How to use radio buttons in a listbox
procedure TForm1.ListBox1DrawItem(Control: TWinControl; Index: Integer;
Rect: TRect; State: TOwnerDrawState);
var
drawRect: TRect;
begin
with ListBox1.Canvas do
begin
FillRect(rect);
drawRect.Left := rect.Left + 1;
drawRect.Right := Rect.Left + 13;
drawRect.Bottom := Rect.Bottom;
drawRect.Top := Rect.Top;
if odSelected in State then
DrawFrameControl(Handle, drawRect, DFC_BUTTON, DFCS_BUTTONRADIO or DFCS_CHECKED)
else
DrawFrameControl(Handle, drawRect, DFC_BUTTON, DFCS_BUTTONRADIO);
TextOut(15, rect.Top + 3, ListBox1.Items[Index]);
end;
end;
procedure TForm1.FormCreate(Sender: TObject);
begin
ListBox1.Style := lbOwnerDrawVariable;
ListBox1.ItemHeight := 20;
//drei Test Items erstellen
ListBox1.Items.Add('Item 1');
ListBox1.Items.Add('Item 2');
ListBox1.Items.Add('Item 3');
end;
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