在 C# 中检查 SortedList 是否是只读的
检查 SortedList 是否只读的代码如下 −
示例
using System; using System.Collections; public class Demo { public static void Main(String[] args) { SortedList list = new SortedList(); list.Add("One", "IT"); list.Add("Two ", "Operations"); list.Add("Three", "Marketing"); list.Add("Four", "Purchase"); list.Add("Five", "Sales"); list.Add("Six", "Finance"); Console.WriteLine("SortedList elements..."); foreach(DictionaryEntry d in list) { Console.WriteLine(d.Key + " " + d.Value); } Console.WriteLine("
List of values...SortedList"); IList col = list.GetValueList(); foreach(string res in col) { Console.WriteLine(res); } Console.WriteLine("
SortedList is read-only? = "+list.IsReadOnly); } }
输出
这将产生以下输出 −
SortedList elements... Five Sales Four Purchase One IT Six Finance Three Marketing Two Operations List of values...SortedList Sales Purchase IT Finance Marketing Operations SortedList is read-only? = False
示例
让我们看另一个示例 −
using System; using System.Collections; public class Demo { public static void Main(String[] args) { SortedList list = new SortedList(); list.Add("One", "Finance"); list.Add("Two", "Marketing"); list.Add("Three", "Sales"); list.Add("Four", "Purchase"); list.Add("Five", "Operations"); list.Add("Six", "IT"); Console.WriteLine("SortedList elements..."); foreach(DictionaryEntry d in list) { Console.WriteLine(d.Key + " " + d.Value); } Console.WriteLine("
Index at key One = "+list.IndexOfKey("One")); ICollection col = list.Keys; Console.WriteLine("
Collection of Keys..."); foreach(string res in col) Console.WriteLine(res); Console.WriteLine("
SortedList is read-only? = "+list.IsReadOnly); } }
输出
这将产生以下输出 −
SortedList elements... Five Operations Four Purchase One Finance Six IT Three Sales Two Marketing Index at key One = 2 Collection of Keys... Five Four One Six Three Two SortedList is read-only? = False
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