我在窗体的onmousescroll中加了如下代码,但toolbar的位置定位不准。我需要toolbar1的toolbar与窗体滚动保持同步。
if WheelDelta<0 then begin
SendMessage(self.Handle,WM_VSCROLL,SB_LINEDOWN,0);
ToolBar1.Top:=ToolBar1.Top+SB_LINEDOWN;
end else begin
SendMessage(self.Handle,WM_VSCROLL,SB_LINEUP,0);
ToolBar1.Top:=ToolBar1.Top+SB_LINEUP;
end;
if WheelDelta<0 then begin
SendMessage(self.Handle,WM_VSCROLL,SB_LINEDOWN,0);
ToolBar1.Top:=ToolBar1.Top+SB_LINEDOWN;
end else begin
SendMessage(self.Handle,WM_VSCROLL,SB_LINEUP,0);
ToolBar1.Top:=ToolBar1.Top+SB_LINEUP;
end;
但是我希望toolbar始终紧靠着窗体的VertScrollBar,怎么实现呢?
因为窗体的HorzScrollBar设置为不可见,所以如果toolbar.align:=alright的话,是看不见的。 if WheelDelta<0 then begin
SendMessage(self.Handle,WM_VSCROLL,SB_LINEDOWN,0);
ToolBar1.Top:=SB_LINEDOWN;
end else begin
SendMessage(self.Handle,WM_VSCROLL,SB_LINEUP,0);
ToolBar1.Top:=SB_LINEUP;
end;
再放一个tscrollbox 吗?