要把 List<Point> pointsList{get;set;}
先按X坐标,然后按Y坐标排序
有两个方法:
1.使用Icomparer:
class PointComparer : IComparer < Point >
{
public int Compare ( Point first , Point second )
{
if ( first . X == second . X )
{
return first . Y - second . Y ;
}
else
{
return first . X - second . X ;
}
}
}
pointsList
.
Sort
(
new
PointComparer
());
2.使用LinQ:
pointsList . OrderBy ( p => p . X ). ThenBy ( p => p .Y )
;