Rotate Button Along the center and Angle
<Window x:Class="Window1" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" Title="RotatedButton" Height="191" Width="365"> <Window.Resources> <RadialGradientBrush x:Key="brButton" Center="0.5,0.5" RadiusX="1.0" RadiusY="1.0"> <GradientStop Color="Yellow" Offset="0.0" /> <GradientStop Color="Orange" Offset="1.0" /> </RadialGradientBrush> </Window.Resources> <Grid> <Button Name="btn" Content="Sideways" Background="{StaticResource brButton}" Margin="-6,-6.5,0,0" Height="43" HorizontalAlignment="Left" VerticalAlignment="Top" Width="94"> <Button.RenderTransform> <RotateTransform Angle="270" CenterX="75" CenterY="50" /> </Button.RenderTransform> </Button> </Grid> </Window>