VB.NET 枚举到字符串
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Enum to String in VB.NET
提问by Pratap Das
I have this enumeration
我有这个枚举
Public Enum Applications
Unknown = 0
AA = 1
BB = 2
CC = 3
End Enum
Private Const CALLING_APP As Applications= Applications.CC
CALLING_APP.ToString() is giving me "3". But I want "CC" - what am I doing wrong?
CALLING_APP.ToString() 给我“3”。但我想要“CC”——我做错了什么？
回答by alu
Pass "F" as parameter for the ToString()method: CALLING_APP.ToString("F")
传递“F”作为该ToString()方法的参数：CALLING_APP.ToString("F")
回答by ??ssa P?ngj?rdenlarp
try this:
尝试这个：
Private CALLING_APP As Applications= Applications.CC ' no "Const"
' CALLING_APP.ToString will return CC
Constcan apparently change how NET recognizes the constant. As a Const, I get Cannot find the method on the object instancewhile Intellisense "sees" it correctly. If you must use Constfor some reason, you can get the text return this way:
Const显然可以改变 NET 识别常量的方式。作为一个 Const，Cannot find the method on the object instance当 Intellisense 正确“看到”它时，我得到了。如果Const出于某种原因必须使用，则可以通过以下方式返回文本：
Dim strName as string = [Enum].GetName(GetType(Applications), CALLING_APP ))
It is basically what .ToString does for us behind the scenes. Typed as it is, your code should work.
这基本上就是 .ToString 在幕后为我们所做的。按原样输入，您的代码应该可以工作。
