本文整理汇总了VB.NET中System.Windows.Forms.TreeView.SelectedNode属性的典型用法代码示例。如果您正苦于以下问题：VB.NET TreeView.SelectedNode属性的具体用法？VB.NET TreeView.SelectedNode怎么用？VB.NET TreeView.SelectedNode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.Windows.Forms.TreeView的用法示例。
在下文中一共展示了TreeView.SelectedNode属性的2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: CDec
Private Sub myButton_Click(ByVal sender As Object, _
ByVal e As System.EventArgs) Handles myButton.Click
' Set the tree view's PathSeparator property.
myTreeView.PathSeparator = "."
' Get the count of the child tree nodes contained in the SelectedNode.
Dim myNodeCount As Integer = myTreeView.SelectedNode.GetNodeCount(True)
Dim myChildPercentage As Decimal = CDec(myNodeCount) / _
CDec(myTreeView.GetNodeCount(True)) * 100
' Display the tree node path and the number of child nodes it and the tree view have.
MessageBox.Show(("The '" + myTreeView.SelectedNode.FullPath + "' node has " _
+ myNodeCount.ToString() + " child nodes." + Microsoft.VisualBasic.ControlChars.Lf _
+ "That is " + String.Format("{0:###.##}", myChildPercentage) _
+ "% of the total tree nodes in the tree view control."))
End Sub示例2: TreeViewAddDeleteItem
' 导入命名空间
Imports System.Windows.Forms
public class TreeViewAddDeleteItem
public Shared Sub Main
Application.Run(New Form1)
End Sub
End class
Public Class Form1
Inherits System.Windows.Forms.Form
Public Sub New()
MyBase.New()
InitializeComponent()
End Sub
Protected Overloads Overrides Sub Dispose(ByVal disposing As Boolean)
If disposing Then
If Not (components Is Nothing) Then
components.Dispose()
End If
End If
MyBase.Dispose(disposing)
End Sub
Private components As System.ComponentModel.IContainer
Friend WithEvents TreeView1 As System.Windows.Forms.TreeView
Friend WithEvents Button1 As System.Windows.Forms.Button
Friend WithEvents Button2 As System.Windows.Forms.Button
<System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
Me.TreeView1 = New System.Windows.Forms.TreeView
Me.Button1 = New System.Windows.Forms.Button
Me.Button2 = New System.Windows.Forms.Button
Me.SuspendLayout()
'
'TreeView1
'
Me.TreeView1.ImageIndex = -1
Me.TreeView1.Location = New System.Drawing.Point(48, 16)
Me.TreeView1.Name = "TreeView1"
Me.TreeView1.Nodes.AddRange(New System.Windows.Forms.TreeNode() {New System.Windows.Forms.TreeNode("a", New System.Windows.Forms.TreeNode() {New System.Windows.Forms.TreeNode("Visual Basic"), New System.Windows.Forms.TreeNode("Visual C++"), New System.Windows.Forms.TreeNode("Delphi"), New System.Windows.Forms.TreeNode("Java")}), New System.Windows.Forms.TreeNode("B", New System.Windows.Forms.TreeNode() {New System.Windows.Forms.TreeNode("B1"), New System.Windows.Forms.TreeNode("B2"), New System.Windows.Forms.TreeNode("B3"), New System.Windows.Forms.TreeNode("B4")})})
Me.TreeView1.SelectedImageIndex = -1
Me.TreeView1.Size = New System.Drawing.Size(200, 168)
Me.TreeView1.TabIndex = 0
'
'Button1
'
Me.Button1.Location = New System.Drawing.Point(48, 200)
Me.Button1.Name = "Button1"
Me.Button1.Size = New System.Drawing.Size(80, 24)
Me.Button1.TabIndex = 1
Me.Button1.Text = "Add"
'
'Button2
'
Me.Button2.Location = New System.Drawing.Point(176, 200)
Me.Button2.Name = "Button2"
Me.Button2.Size = New System.Drawing.Size(80, 24)
Me.Button2.TabIndex = 2
Me.Button2.Text = "Delete"
'
'Form1
'
Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
Me.ClientSize = New System.Drawing.Size(292, 238)
Me.Controls.Add(Me.Button2)
Me.Controls.Add(Me.Button1)
Me.Controls.Add(Me.TreeView1)
Me.ResumeLayout(False)
End Sub
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
Dim str As New TreeNode
TreeView1.SelectedNode.Nodes.Add("New")
End Sub
Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click
TreeView1.Nodes.Remove(TreeView1.SelectedNode)
End Sub
End Class