Force.com Canvas Developer's Guide

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Automatically Resizing a Canvas App

The following code example shows how to call the autogrow method to resize a canvas app. Use this method when your content will change size, but you’re not sure when.

1swfobject.registerObject("clippy.codeblock-0", "9");// Turn on auto grow with default settings.
2Sfdc.canvas(function() {
3    sr = JSON.parse('<%=signedRequestJson%>');
4    Sfdc.canvas.client.autogrow(sr.client);
5});
6
7// Turn on auto grow with polling interval of 100ms (milliseconds).
8Sfdc.canvas(function() {
9    sr = JSON.parse('<%=signedRequestJson%>');
10    Sfdc.canvas.client.autogrow(sr.client, true, 100);
11});
12
13// Turn off auto grow.
14Sfdc.canvas(function() {
15    sr = JSON.parse('<%=signedRequestJson%>');
16    Sfdc.canvas.client.autogrow(sr.client, false);
17});