给分
procedure TForm1.FormCreate(Sender: TObject);
var
i:integer;
begin
MaxWidth:=0;
for i:=1 to 20 do
begin
ListBox1.Items.Add('AAAAAAAAAAAAAAAAAAAAAAAAA');
end;
end;procedure TForm1.Button1Click(Sender: TObject);
var
i: integer;
begin
for i := 0 to ListBox1.Items.Count - 1 do
if MaxWidth < ListBox1.Canvas.TextWidth(ListBox1.Items[i]) then
MaxWidth := ListBox1.Canvas.TextWidth(ListBox1.Items[i]);
SendMessage(ListBox1.Handle, LB_SETHORIZONTALEXTENT, MaxWidth+2, 0);
end;
procedure TForm1.FormCreate(Sender: TObject);
var
i:integer;
begin
MaxWidth:=0;
for i:=1 to 20 do
begin
ListBox1.Items.Add('AAAAAAAAAAAAAAAAAAAAAAAAA');
end;
end;procedure TForm1.Button1Click(Sender: TObject);
var
i: integer;
begin
for i := 0 to ListBox1.Items.Count - 1 do
if MaxWidth < ListBox1.Canvas.TextWidth(ListBox1.Items[i]) then
MaxWidth := ListBox1.Canvas.TextWidth(ListBox1.Items[i]);
SendMessage(ListBox1.Handle, LB_SETHORIZONTALEXTENT, MaxWidth+2, 0);
end;
{
::SendMessage(ListBox1->Handle,LB_SETHORIZONTALNET,2000,0);
}
你查查LB_SETHORIZONTALNET这个消息,我现在没有BCB,不知道写错了没有。