本文整理汇总了VB.NET中System.Activator.CreateInstance方法的典型用法代码示例。如果您正苦于以下问题:VB.NET Activator.CreateInstance方法的具体用法?VB.NET Activator.CreateInstance怎么用?VB.NET Activator.CreateInstance使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类System.Activator 的用法示例。
在下文中一共展示了Activator.CreateInstance方法的8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,您的评价将有助于我们的系统推荐出更棒的VB.NET代码示例。
示例1: Example
Module Example
Public Sub Main()
' Initialize array of characters from a to z.
Dim chars(25) As Char
For ctr As Short = 0 To 25
chars(ctr) = ChrW(ctr + &h0061)
Next
Dim obj As Object = Activator.CreateInstance(GetType(String),
{ chars, 13, 10 })
Console.WriteLine(obj)
End Sub
End Module
开发者ID:VB.NET开发者,项目名称:System,代码行数:12,代码来源:Activator.CreateInstance 输出:
nopqrstuvw
示例2: Example
Module Example
Public Sub Main()
Dim characters() As Char = { "a"c, "b"c, "c"c, "d"c, "e"c, "f"c }
Dim arguments()() As Object = new Object(2)() { New Object() { characters },
New Object() { characters, 1, 4 },
New Object() { characters(1), 20 } }
For ctr As Integer = 0 To arguments.GetUpperBound(0)
Dim args() As Object = arguments(ctr)
Dim result As Object = Activator.CreateInstance(GetType(String), args)
Console.WriteLine("{0}: {1}", result.GetType().Name, result)
Next
End Sub
End Module
开发者ID:VB.NET开发者,项目名称:System,代码行数:14,代码来源:Activator.CreateInstance 输出:
String: abcdef
String: bcde
String: bbbbbbbbbbbbbbbbbbbb
示例3: New
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
开发者ID:VB.NET开发者,项目名称:System,代码行数:23,代码来源:Activator.CreateInstance
示例4: Example
' 导入命名空间
Imports System.Runtime.Remoting
Module Example
Public Sub Main()
Dim handle As ObjectHandle = Activator.CreateInstance("PersonInfo", "Person")
Dim p As Person = CType(handle.Unwrap(), Person)
p.Name = "Samuel"
Console.WriteLine(p)
End Sub
End Module
开发者ID:VB.NET开发者,项目名称:System,代码行数:11,代码来源:Activator.CreateInstance 输出:
Samuel
示例5: Example
' 导入命名空间
Imports System.Reflection
Imports System.Runtime.Remoting
Module Example
Public Sub Main()
Dim handle As ObjectHandle = Activator.CreateInstance("PersonInfo", "Person")
Dim p As Object = handle.Unwrap()
Dim t As Type = p.GetType()
Dim prop As PropertyInfo = t.GetProperty("Name")
if Not prop Is Nothing Then
prop.SetValue(p, "Samuel")
End If
Dim method As MethodInfo = t.GetMethod("ToString")
Dim retVal As Object = method.Invoke(p, Nothing)
If Not retVal Is Nothing Then
Console.WriteLine(retVal)
End If
End Sub
End Module
开发者ID:VB.NET开发者,项目名称:System,代码行数:20,代码来源:Activator.CreateInstance 输出:
Samuel
示例6: DynamicInstanceList
Class DynamicInstanceList
Private Shared instanceSpec As String = "System.EventArgs;System.Random;" + _
"System.Exception;System.Object;System.Version"
Public Shared Sub Main()
Dim instances() As String = instanceSpec.Split(";")
Dim instlist As Array = Array.CreateInstance(GetType(Object), instances.Length)
Dim item As Object
For i As Integer = 0 To instances.Length -1
' create the object from the specification string
Console.WriteLine("Creating instance of: {0}", instances(i))
item = Activator.CreateInstance(Type.GetType(instances(i)))
instlist.SetValue(item, i)
Next i
Console.WriteLine(vbNewLine + "Objects and their default values:" + vbNewLine)
For Each o As Object In instlist
Console.WriteLine("Type: {0}" + vbNewLine + "Value: {1}" + _
vbNewLine + "HashCode: {2}" + vbNewLine, _
o.GetType().FullName, o.ToString(), o.GetHashCode())
Next o
End Sub
End Class
' This program will display output similar to the following:
'
' Creating instance of: System.EventArgs
' Creating instance of: System.Random
' Creating instance of: System.Exception
' Creating instance of: System.Object
' Creating instance of: System.Version
'
' Objects and their default values:
'
' Type: System.EventArgs
' Value: System.EventArgs
' HashCode: 46104728
'
' Type: System.Random
' Value: System.Random
' HashCode: 12289376
'
' Type: System.Exception
' Value: System.Exception: Exception of type 'System.Exception' was thrown.
' HashCode: 55530882
'
' Type: System.Object
' Value: System.Object
' HashCode: 30015890
'
' Type: System.Version
' Value: 0.0
' HashCode: 1048575
开发者ID:VB.NET开发者,项目名称:System,代码行数:53,代码来源:Activator.CreateInstance
示例7: Factory
Public Shared Function Factory(Of T As New)() As T
Return New T()
End Function
开发者ID:VB.NET开发者,项目名称:System,代码行数:3,代码来源:Activator.CreateInstance
示例8: Tester
imports System.Reflection
Imports System.Windows.Forms
Public Class Tester
Public Shared Sub Main
try
dim strUrl as String = "http" & "://localhost/MultiFileAssyVB/vbDeploy.exe"
dim a as [Assembly] = [Assembly].LoadFrom(strUrl)
dim t as Type = a.GetType("Form1")
dim o as Object = Activator.CreateInstance(t)
dim frm as Form = CType(o, Form)
frm.Show()
catch ex as Exception
Console.WriteLine(ex.ToString)
End Try
End Sub
End Class
开发者ID:VB程序员,项目名称:System,代码行数:18,代码来源:Activator.CreateInstance
注:本文中的System.Activator.CreateInstance方法示例整理自Github/MSDocs等源码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。 |
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