public OnSolutionBuilderDrop([Import]SolutionBuilderView solutionBuilder)
{
Guard.NotNull(() => solutionBuilder, solutionBuilder);
this.solutionBuilder = solutionBuilder;
this.sourceEvent = WeakObservable.FromEvent<DragEventHandler, DragEventArgs>(
handler => new DragEventHandler(handler),
handler => this.solutionBuilder.ElementDrop += handler,
handler => this.solutionBuilder.ElementDrop -= handler);
}
public OnSolutionBuilderDragLeave([Import] SolutionBuilderView solutionBuilder)
{
Guard.NotNull(() => solutionBuilder, solutionBuilder);
this.solutionBuilder = solutionBuilder;
this.sourceEvent = WeakObservable.FromEvent <DragEventHandler, DragEventArgs>(
handler => new DragEventHandler(handler),
handler => this.solutionBuilder.ElementDragLeave += handler,
handler => this.solutionBuilder.ElementDragLeave -= handler);
}
