i can't see any control in xaml designer , i can click on them and go to behind code but can't see then , i reinstall VS 2012 but no luck , even if i create new project it will do the same , and this happen with blend too . i searched so so so so much to solve this problem , but no luck , please help me PS : i installed vs 2010 sp1 , vs 2012 update 1 here the basic code of blank windows store app with a button
<Page
x:Class="App6.MainPage"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:local="using:App6"
xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
mc:Ignorable="d">
<Grid Background="{StaticResource ApplicationPageBackgroundThemeBrush}">
</Grid>
</Page>