本文整理匯總了VB.NET中System.Windows.Forms.BindingSource類的典型用法代碼示例。如果您正苦於以下問題：VB.NET BindingSource類的具體用法？VB.NET BindingSource怎麽用？VB.NET BindingSource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BindingSource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: Form1
' 導入命名空間
Imports System.Collections.Generic
Imports System.ComponentModel
Imports System.Drawing
Imports System.Text
Imports System.Windows.Forms
Public Class Form1
Inherits Form
<STAThread()> _
Shared Sub Main()
Application.EnableVisualStyles()
Application.Run(New Form1())
End Sub
Public Sub New()
End Sub
Private textBox1 As TextBox
Private WithEvents button1 As Button
Private listBox1 As ListBox
Private components As IContainer
Private binding1 As BindingSource
Private Sub Form1_Load(ByVal sender As Object, ByVal e As EventArgs) Handles Me.Load
listBox1 = New ListBox()
textBox1 = New TextBox()
binding1 = New BindingSource()
button1 = New Button()
listBox1.Location = New Point(140, 25)
listBox1.Size = New Size(123, 160)
textBox1.Location = New Point(23, 70)
textBox1.Size = New Size(100, 20)
textBox1.Text = "Wingdings"
button1.Location = New Point(23, 25)
button1.Size = New Size(75, 23)
button1.Text = "Search"
Me.ClientSize = New Size(292, 266)
Me.Controls.Add(Me.button1)
Me.Controls.Add(Me.textBox1)
Me.Controls.Add(Me.listBox1)
Dim fonts As New MyFontList()
Dim i As Integer
For i = 0 To FontFamily.Families.Length - 1
If FontFamily.Families(i).IsStyleAvailable(FontStyle.Regular) Then
fonts.Add(New Font(FontFamily.Families(i), 11.0F, FontStyle.Regular))
End If
Next i
binding1.DataSource = fonts
listBox1.DataSource = binding1
listBox1.DisplayMember = "Name"
End Sub
Private Sub button1_Click(ByVal sender As Object, ByVal e As EventArgs) _
Handles button1.Click
If binding1.SupportsSearching <> True Then
MessageBox.Show("Cannot search the list.")
Else
Dim foundIndex As Integer = binding1.Find("Name", textBox1.Text)
If foundIndex > -1 Then
listBox1.SelectedIndex = foundIndex
Else
MessageBox.Show("Font was not found.")
End If
End If
End Sub
End Class
Public Class MyFontList
Inherits BindingList(Of Font)
Protected Overrides ReadOnly Property SupportsSearchingCore() As Boolean
Get
Return True
End Get
End Property
Protected Overrides Function FindCore(ByVal prop As PropertyDescriptor, _
ByVal key As Object) As Integer
' Ignore the prop value and search by family name.
Dim i As Integer
While i < Count
If Items(i).FontFamily.Name.ToLower() = CStr(key).ToLower() Then
Return i
End If
i += 1
End While
Return -1
End Function
End Class