Tuesday, October 21, 2008

Moving shapes in Silverlight

Having written the same code too many times, I thought I better start making life more easy for myself. In Silverlight you often want to change the location of a shape (or more correctly a DependancyObject)

The code I kept writing was move the location of a shape, such as in drag-n-drop.

I've written this as an Extension method, giving:
public static class XamlExtensions
public static void PointSet(this DependencyObject shape, Point newLocation)
shape.SetValue(Canvas.LeftProperty, newLocation.X);
shape.SetValue(Canvas.TopProperty, newLocation.Y);

which allows:

rather than
PointSet(shape, cursorPoint);

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