whats new ¦  programming tips ¦  indy articles ¦  intraweb articles ¦  informations ¦  links ¦  interviews
 misc ¦  tutorials ¦  Add&Win Game

Tips (1541)

Database (90)
Files (137)
Forms (107)
Graphic (114)
IDE (21)
Indy (5)
Internet / LAN (130)
IntraWeb (0)
Math (76)
Misc (126)
Multimedia (45)
Objects/
ActiveX (51)

OpenTools API (3)
Printing (35)
Strings (83)
System (266)
VCL (242)

Top15

Tips sort by
component


Search Tip

Add new Tip

Add&Win Game

Advertising

21 Visitors Online


 
...scroll TWebBrowser with own buttons?
Autor: boegi
Homepage: http://www.boegi.de
[ Print tip ]  

Tip Rating (35):  
     


// 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;

 

Rate this tip:

poor
very good


Copyright © by SwissDelphiCenter.ch
All trademarks are the sole property of their respective owners