Mega Code Archive
Scroll TWebBrowser with own buttons
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Title: scroll TWebBrowser with own buttons?
// Scroll up
procedure TForm1.Button1Click(Sender: TObject);
begin
WebBrowser1.OleObject.Document.ParentWindow.ScrollBy(0, -100);
end;
// Scroll left
procedure TForm1.Button3Click(Sender: TObject);
begin
WebBrowser1.OleObject.Document.ParentWindow.ScrollBy(-100, 0);
end;
// Scroll down
procedure TForm1.Button2Click(Sender: TObject);
begin
WebBrowser1.OleObject.Document.ParentWindow.ScrollBy(0, +100);
end;
// Scroll right
procedure TForm1.Button4Click(Sender: TObject);
begin
WebBrowser1.OleObject.Document.ParentWindow.ScrollBy(+100, 0);
end;
// Scroll to the Bottom, Top, Right of the Document:
type
TWBPosition = (wbPosBottom, wbPosTop, wbPosRight);
function WB_ScrollTo(WB: TWebBrowser; Position: TWBPosition): Boolean;
var
ParentW: OLEVariant;
begin
Result := WB.Document nil;
if Result then
begin
ParentW := WB.OleObject.Document.ParentWindow;
case Position of
wbPosBottom: ParentW.ScrollTo(0, ParentW.Screen.Height);
wbPosTop: ParentW.ScrollTo(0, 0);
wbPosRight: ParentW.ScrollTo(ParentW.Screen.Width, 0);
end;
end;
end;
// Example: Scroll to the bottom of the document:
procedure TForm1.Button1Click(Sender: TObject);
begin
WB_ScrollTo(WebBrowser1, wbPosBottom);
end;
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