Origin at lower left. Y increases going up : Coordinate « Windows Presentation Foundation « C# / CSharp Tutorial

1. C# / CSharp Tutorial
2. Windows Presentation Foundation
3. Coordinate

<Grid xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
    <Grid.Resources>
        <Style TargetType="{x:Type Canvas}">
            <Setter Property="Width" Value="100" />
            <Setter Property="Height" Value="100" />
            <Setter Property="HorizontalAlignment" Value="Center" />
            <Setter Property="VerticalAlignment" Value="Center" />
        </Style>

        <Style TargetType="{x:Type Path}">
            <Setter Property="Fill" Value="Red" />
            <Setter Property="Data">
                <Setter.Value>
                    <EllipseGeometry Center="0 0" RadiusX="5" RadiusY="5" />
                </Setter.Value>
            </Setter>
        </Style>
    </Grid.Resources>
    <Canvas Grid.Column="1">
        <Canvas.RenderTransform>
            <TransformGroup>
                <ScaleTransform ScaleY="-1" />
                <TranslateTransform Y="100" />
            </TransformGroup>
        </Canvas.RenderTransform>

        <Line X1="0" Y1="0" X2="100" Y2="100" Stroke="Black" />
        <Polyline Points="0 0 0 100 100 100 100 0 0 0" Stroke="Blue" />
        <Path />
    </Canvas>

</Grid>

24.80.Coordinate
	24.80.1.	Four-quadrant Cartesian coordinate system
	24.80.2.	Origin at lower left. Y increases going up