本文整理汇总了VB.NET中System.Exception.Data属性的典型用法代码示例。如果您正苦于以下问题：VB.NET Exception.Data属性的具体用法？VB.NET Exception.Data怎么用？VB.NET Exception.Data使用的例子？那么恭喜您, 这里精选的属性代码示例或许可以为您提供帮助。您也可以进一步了解该属性所在类System.Exception的用法示例。
在下文中一共展示了Exception.Data属性的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的VB.NET代码示例。
示例1: Example
' 导入命名空间
Imports System.Collections
Module Example
Public Sub Main()
Console.WriteLine()
Console.WriteLine("Exception with some extra information...")
RunTest(False)
Console.WriteLine()
Console.WriteLine("Exception with all extra information...")
RunTest(True)
End Sub
Public Sub RunTest(displayDetails As Boolean)
Try
NestedRoutine1(displayDetails)
Catch e As Exception
Console.WriteLine("An exception was thrown.")
Console.WriteLine(e.Message)
If e.Data.Count > 0 Then
Console.WriteLine(" Extra details:")
For Each de As DictionaryEntry In e.Data
Console.WriteLine(" Key: {0,-20} Value: {1}",
"'" + de.Key.ToString() + "'", de.Value)
Next
End If
End Try
End Sub
Public Sub NestedRoutine1(displayDetails As Boolean)
Try
NestedRoutine2(displayDetails)
Catch e As Exception
e.Data("ExtraInfo") = "Information from NestedRoutine1."
e.Data.Add("MoreExtraInfo", "More information from NestedRoutine1.")
Throw e
End Try
End Sub
Public Sub NestedRoutine2(displayDetails As Boolean)
Dim e As New Exception("This statement is the original exception message.")
If displayDetails Then
Dim s As String = "Information from NestedRoutine2."
Dim i As Integer = -903
Dim dt As DateTime = DateTime.Now
e.Data.Add("stringInfo", s)
e.Data("IntInfo") = i
e.Data("DateTimeInfo") = dt
End If
Throw e
End Sub
End Module输出：
Exception with some extra information... An exception was thrown. This statement is the original exception message. Extra details: Key: 'ExtraInfo' Value: Information from NestedRoutine1. Key: 'MoreExtraInfo' Value: More information from NestedRoutine1. Exception with all extra information... An exception was thrown. This statement is the original exception message. Extra details: Key: 'stringInfo' Value: Information from NestedRoutine2. Key: 'IntInfo' Value: -903 Key: 'DateTimeInfo' Value: 7/29/2013 10:50:13 AM Key: 'ExtraInfo' Value: Information from NestedRoutine1. Key: 'MoreExtraInfo' Value: More information from NestedRoutine1.