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Chris Herrington  
#1 Posted : Wednesday, September 07, 2005 7:20:11 AM(UTC)
Chris Herrington

Rank: Advanced Member

Groups: Member
Joined: 9/6/2005(UTC)
Posts: 106

I need to know is there is a way to zoom in and zoom out with using the built in control. What I need to be able to do is set a button to zoom in and a button to zoom out. When that button is clicked it automatically zooms in a certain amount and visa versa. Is this possible? I do not want the user to have to click on a button then click the document to zoom. Then click back on the pointer button.

Thanks in advance

Chris
Fedor  
#2 Posted : Wednesday, September 07, 2005 3:35:16 PM(UTC)
Fedor

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Hello Chris,

Quote:
Chris Herrington (9/7/2005)
I need to know is there is a way to zoom in and zoom out with using the built in control. What I need to be able to do is set a button to zoom in and a button to zoom out. When that button is clicked it automatically zooms in a certain amount and visa versa. Is this possible? I do not want the user to have to click on a button then click the document to zoom. Then click back on the pointer button.


Yes, it is possible. Check the following article:

Enchancing Interactivity with Client-Side Scripting

In short you can use following JavaScript code to zoom in and zoom out 1.5 times:

Code:
var bitmapViewer1=document.getElementById("<%=BitmapViewer1.ClientID%>");    
bitmapViewer1.setZoom(bitmapViewer1.getZoom()*1.5);


Code:
var bitmapViewer1=document.getElementById("<%=BitmapViewer1.ClientID%>");     
bitmapViewer1.setZoom(bitmapViewer1.getZoom()*0.66);

Edited by user Wednesday, October 29, 2008 12:47:50 PM(UTC)  | Reason: Not specified

Best regards,
Fedor Skvortsov
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