如何使用 C# 中的反射顯示方法和屬性?


反射是描述程式碼中型別、方法和欄位的元資料的過程。名稱空間 System.Reflection 使你能夠獲取有關已載入程式集、其中元素(如類、方法和值型別)的資料。System.Reflection 中有多個類,但最常用的類是 Assembly、AssemblyName、ConstructorInfo、MethodInfo、ParameterInfo、EventInfo、PropertyInfo 和 MemberInfo。

示例

static void Main(string[] args){
   TypeInfo myType = typeof(TextInfo).GetTypeInfo();
   IEnumerable<PropertyInfo> properties = myType.DeclaredProperties;
   IEnumerable<MethodInfo> methods = myType.DeclaredMethods;
   Console.WriteLine(myType);
   Console.WriteLine(properties);
   Console.WriteLine(methods);
   StringBuilder strBuilder = new StringBuilder();
   Console.WriteLine();
   strBuilder.Append("The properties are:");
   foreach (PropertyInfo p in properties){
      strBuilder.Append("
" + p.Name);    }    strBuilder.Append("
");    strBuilder.Append("
The methods are:");    foreach (MethodInfo m in methods){       strBuilder.Append("
" + m.Name);    }    Console.WriteLine(strBuilder); }

輸出

System.Globalization.TextInfo
System.Reflection.PropertyInfo[]
System.Reflection.MethodInfo[]
The properties are:
Invariant
ANSICodePage
OEMCodePage
MacCodePage
EBCDICCodePage
LCID
CultureName
IsReadOnly
ListSeparator
IsAsciiCasingSameAsInvariant
IsRightToLeft
The methods are:
get_Invariant
get_ANSICodePage
get_OEMCodePage
get_MacCodePage
get_EBCDICCodePage
get_LCID
get_CultureName
get_IsReadOnly
get_ListSeparator
set_ListSeparator
get_IsAsciiCasingSameAsInvariant
get_IsRightToLeft
System.Runtime.Serialization.IDeserializationCallback.OnDeserialization
Clone
ReadOnly
VerifyWritable
SetReadOnlyState
ToLower
ToLower
ChangeCase
ChangeCaseToLower
ChangeCaseToUpper
ChangeCaseCommon
ChangeCaseCommon
ChangeCaseCommon
ToLowerAsciiInvariant
ToLowerAsciiInvariant
ToUpperAsciiInvariant
ToUpperAsciiInvariant
ToLowerAsciiInvariant
ToUpper
ToUpper
ToUpperAsciiInvariant
IsAscii
PopulateIsAsciiCasingSameAsInvariant
Equals
GetHashCode
ToString
ToTitleCase
AddNonLetter
AddTitlecaseLetter
IsWordSeparator
IsLetterCategory
FinishInitialization
ChangeCase
IsInvariantLocale

更新於: 05-Dec-2020

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