VB.NET Assembly.CreateInstance方法代碼示例

本文整理匯總了VB.NET中System.Reflection.Assembly.CreateInstance方法的典型用法代碼示例。如果您正苦於以下問題：VB.NET Assembly.CreateInstance方法的具體用法？VB.NET Assembly.CreateInstance怎麽用？VB.NET Assembly.CreateInstance使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類System.Reflection.Assembly的用法示例。

在下文中一共展示了Assembly.CreateInstance方法的2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: Example

' 導入命名空間
Imports System.Reflection
Imports Contoso.Libraries

Namespace Contoso.Libraries
   Public Class Person
      Private _name As String 
   
      Public Sub New()
      End Sub 
   
      Public Sub New(name As String)
         Me._name = name
      End Sub 
   
      Public Property Name As String 
         Get 
            Return Me._name
         End Get 
         Set 
            Me._name = value
         End Set 
      End Property 
   
      Public Overrides Function ToString() As String 
         Return Me._name
      End Function 
   End Class
End Namespace 

Module Example
   Public Sub Main()
      Dim assem As Assembly = GetType(Person).Assembly
      Dim p As Person = CType(assem.CreateInstance("Contoso.Libraries.Person"),
                              Person)
      If p IsNot Nothing Then
         p.Name = "John"
         Console.WriteLine("Instantiated a {0} object whose value is '{1}'",
                           p.GetType().Name, p)
      Else
         Console.WriteLine("Unable to instantiate a Person object.")
      End If   
   End Sub
End Module

開發者ID:VB.NET開發者，項目名稱:System.Reflection，代碼行數:44，代碼來源:Assembly.CreateInstance

輸出：

Instantiated a Person object whose value is 'John'

示例2: Example

' 導入命名空間
Imports System.Reflection
Imports Contoso.Libraries

Namespace Contoso.Libraries
   Public Class Person
      Private _name As String 
   
      Public Sub New()
      End Sub 
   
      Public Sub New(name As String)
         Me._name = name
      End Sub 
   
      Public Property Name As String 
         Get 
            Return Me._name
         End Get 
         Set 
            Me._name = value
         End Set 
      End Property 
   
      Public Overrides Function ToString() As String 
         Return Me._name
      End Function 
   End Class
End Namespace 

Module Example
   Public Sub Main()
      Dim fullName As String = "contoso.libraries.person"
      Dim assem As Assembly = GetType(Person).Assembly
      Dim p As Person = CType(assem.CreateInstance(fullName),
                              Person)
      If p IsNot Nothing Then
         p.Name = "John"
         Console.WriteLine("Instantiated a {0} object whose value is '{1}'",
                           p.GetType().Name, p)
      Else
         Console.WriteLine("Unable to instantiate a Person object" +
                           "with Assembly.CreateInstance(String)")
         ' Try case-insensitive type name comparison.
         p = CType(assem.CreateInstance(fullName, true), Person)
         If p IsNot Nothing Then 
            p.Name = "John"
            Console.WriteLine("Instantiated a {0} object whose value is '{1}'",
                              p.GetType().Name, p)
         Else 
            Console.WriteLine("Unable to instantiate a {0} object.", 
                              fullName)
         End If   
      End If   
   End Sub
End Module

開發者ID:VB.NET開發者，項目名稱:System.Reflection，代碼行數:56，代碼來源:Assembly.CreateInstance

輸出：

Unable to instantiate a Person object with Assembly.CreateInstance(String)
Instantiated a Person object whose value is 'John'

注：本文中的System.Reflection.Assembly.CreateInstance方法示例由純淨天空整理自Github/MSDocs等開源代碼及文檔管理平台，相關代碼片段篩選自各路編程大神貢獻的開源項目，源碼版權歸原作者所有，傳播和使用請參考對應項目的License；未經允許，請勿轉載。