本文整理匯總了VB.NET中System.MissingFieldException類的典型用法代碼示例。如果您正苦於以下問題:VB.NET MissingFieldException類的具體用法?VB.NET MissingFieldException怎麽用?VB.NET MissingFieldException使用的例子?那麽, 這裏精選的類代碼示例或許可以為您提供幫助。
在下文中一共展示了MissingFieldException類的1個代碼示例,這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚,您的評價將有助於係統推薦出更棒的VB.NET代碼示例。
示例1: App
' 導入命名空間
Imports System.Reflection
Public Class App
Public Shared Sub Main()
Try
' Attempt to call a static DoSomething method defined in the App class.
' However, because the App class does not define this method,
' a MissingMethodException is thrown.
GetType(App).InvokeMember("DoSomething", BindingFlags.Static Or BindingFlags.InvokeMethod, _
Nothing, Nothing, Nothing)
Catch e As MissingMethodException
' Show the user that the DoSomething method cannot be called.
Console.WriteLine("Unable to call the DoSomething method: {0}", e.Message)
End Try
Try
' Attempt to access a static AField field defined in the App class.
' However, because the App class does not define this field,
' a MissingFieldException is thrown.
GetType(App).InvokeMember("AField", BindingFlags.Static Or BindingFlags.SetField, _
Nothing, Nothing, New [Object]() {5})
Catch e As MissingFieldException
' Show the user that the AField field cannot be accessed.
Console.WriteLine("Unable to access the AField field: {0}", e.Message)
End Try
Try
' Attempt to access a static AnotherField field defined in the App class.
' However, because the App class does not define this field,
' a MissingFieldException is thrown.
GetType(App).InvokeMember("AnotherField", BindingFlags.Static Or BindingFlags.GetField, _
Nothing, Nothing, Nothing)
Catch e As MissingMemberException
' Notice that this code is catching MissingMemberException which is the
' base class of MissingMethodException and MissingFieldException.
' Show the user that the AnotherField field cannot be accessed.
Console.WriteLine("Unable to access the AnotherField field: {0}", e.Message)
End Try
End Sub
End Class
輸出:
Unable to call the DoSomething method: Method 'App.DoSomething' not found. Unable to access the AField field: Field 'App.AField' not found. Unable to access the AnotherField field: Field 'App.AnotherField' not found.