/// <summary>
/// 取得代表<see cref="System.Array"/>所有元素的索引
/// </summary>
/// <param name="obj">陣列實例</param>
/// <returns>32 位元的整數陣列的物件清單，代表所有元素的索引</returns>
public static int[][] GetAllIndexes(this Array obj)
{
List <int> Indexes = obj.GetLengths().ToList();
List <List <int> > C(List <int> input)
{
List <List <int> > result = new List <List <int> >();
//if (input.Count == 0) return result;
if (input.Count == 1)
{
return(Enumerable.Range(0, input.First()).Select(x => new List <int>(new int[] { x })).ToList());
}
for (int i = 0; i < input.First(); i++)
{
var r = C(input.Skip(1).ToList()).Select(x => {
x.Insert(0, i);
return(x);
});
result.AddRange(r);
}
return(result);
};
return(C(Indexes).Select(x => x.ToArray()).ToArray());
}
public static Array CreateArray(Type elementType, Array sourceArray)
{
return Array.CreateInstance(elementType, sourceArray.GetLengths());
}
