You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
42 lines
1.2 KiB
42 lines
1.2 KiB
/*************************************************************************************
|
|
|
|
Extended WPF Toolkit
|
|
|
|
Copyright (C) 2007-2013 Xceed Software Inc.
|
|
|
|
This program is provided to you under the terms of the Microsoft Public
|
|
License (Ms-PL) as published at http://wpftoolkit.codeplex.com/license
|
|
|
|
For more features, controls, and fast professional support,
|
|
pick up the Plus Edition at http://xceed.com/wpf_toolkit
|
|
|
|
Stay informed: follow @datagrid on Twitter or Like http://facebook.com/datagrids
|
|
|
|
***********************************************************************************/
|
|
|
|
using System;
|
|
using System.Windows;
|
|
|
|
namespace Xceed.Wpf.Toolkit.Core.Utilities
|
|
{
|
|
internal static class PointHelper
|
|
{
|
|
public static double DistanceBetween( Point p1, Point p2 )
|
|
{
|
|
return Math.Sqrt( Math.Pow( p1.X - p2.X, 2 ) + Math.Pow( p1.Y - p2.Y, 2 ) );
|
|
}
|
|
|
|
public static Point Empty
|
|
{
|
|
get
|
|
{
|
|
return new Point( double.NaN, double.NaN );
|
|
}
|
|
}
|
|
|
|
public static bool IsEmpty( Point point )
|
|
{
|
|
return DoubleHelper.IsNaN( point.X ) && DoubleHelper.IsNaN( point.Y );
|
|
}
|
|
}
|
|
}
|
|
|