I came across this post, because I was searching for a way to center an element within a Canvas in XAML only, instead of using Attached Properties. Just in case, you came for the same reason: <Canvas x:Name=”myCanvas”> <Grid Width=”{Binding ActualWidth, ElementName=myCanvas}” Height=”{Binding ActualHeight, ElementName=myCanvas}”> <Label Content=”Hello World!” HorizontalAlignment=”Center” VerticalAlignment=”Center” /> </Grid> </Canvas> One more … Read more
Just set WindowStartupLocation, Height, Width, Left, and Top in xaml: <Window x:Class=”WpfApplication1.Window1″ xmlns=”http://schemas.microsoft.com/winfx/2006/xaml/presentation” xmlns:x=”http://schemas.microsoft.com/winfx/2006/xaml” Title=”Window1″ Height=”500″ Width=”500″ WindowStartupLocation=”Manual” Left=”0″ Top=”0″> </Window>
I think what BrandonS wants is not the position of the mouse relative to the root element, but rather the position of some descendant element. For that, there is the TransformToAncestor method: Point relativePoint = myVisual.TransformToAncestor(rootVisual) .Transform(new Point(0, 0)); Where myVisual is the element that was just double-clicked, and rootVisual is Application.Current.MainWindow or whatever you … Read more