Recently I was working on a Silverlight application and I found that the plugin was having trouble adapting to vertical resize actions. At first it was very confusing because the plugin would adjust with the browser when resized diagonally or horizontally. What was even more troubling was that the ?SizeChanged? and ?LayoutUpdated? events were not firing on the vertical resize. The horizontal and vertical alignment was set to stretch.
After consulting with some friends and examining the pages that are generated for you in Visual Studio we determined that the <Body /> tag in the .aspx page was missing some style attributes. Namely the ?Height?.
<body style="height:100%;margin:0;">
That fixed it. After adding that back in the plugin was able to resize as expected AND the SizeChanged as well as the LayoutUpdated event started firing. Hope this helps you.
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