frmknowlegeman.vb

这个是本人写的题库系统,开发工具是vb.net.试题编辑,试卷编辑,可以在word中编辑试题.由于时间关系,很多功能需要细化.

Public Class frmknowlegeman
    Inherits System.Windows.Forms.Form

#Region " Windows 窗体设计器生成的代码 "

    Public Sub New()
        MyBase.New()

        '该调用是 Windows 窗体设计器所必需的。
        InitializeComponent()

        '在 InitializeComponent() 调用之后添加任何初始化

    End Sub

    '窗体重写 dispose 以清理组件列表。
    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

    'Windows 窗体设计器所必需的
    Private components As System.ComponentModel.IContainer

    '注意: 以下过程是 Windows 窗体设计器所必需的
    '可以使用 Windows 窗体设计器修改此过程。
    '不要使用代码编辑器修改它。
    Friend WithEvents GroupBox1 As System.Windows.Forms.GroupBox
    Friend WithEvents Panel1 As System.Windows.Forms.Panel
    Friend WithEvents GroupBox2 As System.Windows.Forms.GroupBox
    Friend WithEvents Panel2 As System.Windows.Forms.Panel
    Friend WithEvents GroupBox3 As System.Windows.Forms.GroupBox
    Friend WithEvents Panel3 As System.Windows.Forms.Panel
    Friend WithEvents cmd_subadd As System.Windows.Forms.Button
    Friend WithEvents cmd_submodify As System.Windows.Forms.Button
    Friend WithEvents cmd_subdelete As System.Windows.Forms.Button
    Friend WithEvents tv_subject As System.Windows.Forms.TreeView
    Friend WithEvents tv_chapter As System.Windows.Forms.TreeView
    Friend WithEvents tv_knowleg As System.Windows.Forms.TreeView
    Friend WithEvents Label1 As System.Windows.Forms.Label
    Friend WithEvents Label2 As System.Windows.Forms.Label
    Friend WithEvents Label3 As System.Windows.Forms.Label
    Friend WithEvents txt_knowleg As System.Windows.Forms.TextBox
    Friend WithEvents cmd_chapterdelete As System.Windows.Forms.Button
    Friend WithEvents cmd_chaptermodify As System.Windows.Forms.Button
    Friend WithEvents cmd_chapteradd As System.Windows.Forms.Button
    Friend WithEvents txt_chapter As System.Windows.Forms.TextBox
    Friend WithEvents cmd_knowmodify As System.Windows.Forms.Button
    Friend WithEvents cmd_knowadd As System.Windows.Forms.Button
    Friend WithEvents ImageList1 As System.Windows.Forms.ImageList
    Friend WithEvents txt_subject As System.Windows.Forms.TextBox
    Friend WithEvents Label4 As System.Windows.Forms.Label
    Friend WithEvents lbl_subject As System.Windows.Forms.Label
    Friend WithEvents lbl_chapter As System.Windows.Forms.Label
    Friend WithEvents Label6 As System.Windows.Forms.Label
    Friend WithEvents lbl_knowleg As System.Windows.Forms.Label
    Friend WithEvents Label8 As System.Windows.Forms.Label
    Friend WithEvents cmd_knowdelete As System.Windows.Forms.Button
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
        Me.components = New System.ComponentModel.Container
        Dim resources As System.Resources.ResourceManager = New System.Resources.ResourceManager(GetType(frmknowlegeman))
        Me.GroupBox1 = New System.Windows.Forms.GroupBox
        Me.lbl_subject = New System.Windows.Forms.Label
        Me.Label4 = New System.Windows.Forms.Label
        Me.Panel1 = New System.Windows.Forms.Panel
        Me.Label1 = New System.Windows.Forms.Label
        Me.cmd_subdelete = New System.Windows.Forms.Button
        Me.cmd_submodify = New System.Windows.Forms.Button
        Me.cmd_subadd = New System.Windows.Forms.Button
        Me.txt_subject = New System.Windows.Forms.TextBox
        Me.tv_subject = New System.Windows.Forms.TreeView
        Me.ImageList1 = New System.Windows.Forms.ImageList(Me.components)
        Me.GroupBox2 = New System.Windows.Forms.GroupBox
        Me.lbl_chapter = New System.Windows.Forms.Label
        Me.Label6 = New System.Windows.Forms.Label
        Me.Panel2 = New System.Windows.Forms.Panel
        Me.txt_chapter = New System.Windows.Forms.TextBox
        Me.cmd_chapterdelete = New System.Windows.Forms.Button
        Me.cmd_chaptermodify = New System.Windows.Forms.Button
        Me.cmd_chapteradd = New System.Windows.Forms.Button
        Me.Label2 = New System.Windows.Forms.Label
        Me.tv_chapter = New System.Windows.Forms.TreeView
        Me.GroupBox3 = New System.Windows.Forms.GroupBox
        Me.lbl_knowleg = New System.Windows.Forms.Label
        Me.Label8 = New System.Windows.Forms.Label
        Me.Panel3 = New System.Windows.Forms.Panel
        Me.cmd_knowdelete = New System.Windows.Forms.Button
        Me.cmd_knowmodify = New System.Windows.Forms.Button
        Me.cmd_knowadd = New System.Windows.Forms.Button
        Me.Label3 = New System.Windows.Forms.Label
        Me.txt_knowleg = New System.Windows.Forms.TextBox
        Me.tv_knowleg = New System.Windows.Forms.TreeView
        Me.GroupBox1.SuspendLayout()
        Me.Panel1.SuspendLayout()
        Me.GroupBox2.SuspendLayout()
        Me.Panel2.SuspendLayout()
        Me.GroupBox3.SuspendLayout()
        Me.Panel3.SuspendLayout()
        Me.SuspendLayout()
        '
        'GroupBox1
        '
        Me.GroupBox1.Controls.Add(Me.lbl_subject)
        Me.GroupBox1.Controls.Add(Me.Label4)
        Me.GroupBox1.Controls.Add(Me.Panel1)
        Me.GroupBox1.Controls.Add(Me.tv_subject)
        Me.GroupBox1.Location = New System.Drawing.Point(8, 8)
        Me.GroupBox1.Name = "GroupBox1"
        Me.GroupBox1.Size = New System.Drawing.Size(240, 568)
        Me.GroupBox1.TabIndex = 0
        Me.GroupBox1.TabStop = False
        Me.GroupBox1.Text = "课程信息："
        '
        'lbl_subject
        '
        Me.lbl_subject.Location = New System.Drawing.Point(24, 40)
        Me.lbl_subject.Name = "lbl_subject"
        Me.lbl_subject.Size = New System.Drawing.Size(200, 16)
        Me.lbl_subject.TabIndex = 3
        '
        'Label4
        '
        Me.Label4.Location = New System.Drawing.Point(14, 16)
        Me.Label4.Name = "Label4"
        Me.Label4.Size = New System.Drawing.Size(72, 16)
        Me.Label4.TabIndex = 2
        Me.Label4.Text = "当前课程："
        '
        'Panel1
        '
        Me.Panel1.BorderStyle = System.Windows.Forms.BorderStyle.Fixed3D
        Me.Panel1.Controls.Add(Me.Label1)
        Me.Panel1.Controls.Add(Me.cmd_subdelete)
        Me.Panel1.Controls.Add(Me.cmd_submodify)
        Me.Panel1.Controls.Add(Me.cmd_subadd)
        Me.Panel1.Controls.Add(Me.txt_subject)
        Me.Panel1.Location = New System.Drawing.Point(8, 448)
        Me.Panel1.Name = "Panel1"
        Me.Panel1.Size = New System.Drawing.Size(224, 112)
        Me.Panel1.TabIndex = 1
        '
        'Label1
        '
        Me.Label1.Location = New System.Drawing.Point(72, 8)
        Me.Label1.Name = "Label1"
        Me.Label1.Size = New System.Drawing.Size(68, 16)
        Me.Label1.TabIndex = 7
        Me.Label1.Text = "课程名称："
        Me.Label1.TextAlign = System.Drawing.ContentAlignment.MiddleRight
        '
        'cmd_subdelete
        '
        Me.cmd_subdelete.FlatStyle = System.Windows.Forms.FlatStyle.Flat
        Me.cmd_subdelete.Location = New System.Drawing.Point(152, 64)
        Me.cmd_subdelete.Name = "cmd_subdelete"
        Me.cmd_subdelete.Size = New System.Drawing.Size(60, 30)
        Me.cmd_subdelete.TabIndex = 6
        Me.cmd_subdelete.Text = "删 除"
        '
        'cmd_submodify
        '
        Me.cmd_submodify.FlatStyle = System.Windows.Forms.FlatStyle.Flat
        Me.cmd_submodify.Location = New System.Drawing.Point(80, 64)
        Me.cmd_submodify.Name = "cmd_submodify"
        Me.cmd_submodify.Size = New System.Drawing.Size(60, 30)
        Me.cmd_submodify.TabIndex = 5
        Me.cmd_submodify.Text = "修 改"
        '
        'cmd_subadd
        '
        Me.cmd_subadd.FlatStyle = System.Windows.Forms.FlatStyle.Flat
        Me.cmd_subadd.Location = New System.Drawing.Point(8, 64)
        Me.cmd_subadd.Name = "cmd_subadd"
        Me.cmd_subadd.Size = New System.Drawing.Size(60, 30)
        Me.cmd_subadd.TabIndex = 4
        Me.cmd_subadd.Text = "添 加"
        '
        'txt_subject
        '
        Me.txt_subject.Location = New System.Drawing.Point(32, 32)
        Me.txt_subject.Name = "txt_subject"
        Me.txt_subject.Size = New System.Drawing.Size(160, 21)
        Me.txt_subject.TabIndex = 0
        Me.txt_subject.Text = ""
        Me.txt_subject.TextAlign = System.Windows.Forms.HorizontalAlignment.Right
        '
        'tv_subject
        '
        Me.tv_subject.ImageList = Me.ImageList1
        Me.tv_subject.ItemHeight = 34
        Me.tv_subject.Location = New System.Drawing.Point(8, 64)
        Me.tv_subject.Name = "tv_subject"
        Me.tv_subject.Size = New System.Drawing.Size(224, 376)
        Me.tv_subject.TabIndex = 0
        '
        'ImageList1
        '
        Me.ImageList1.ImageSize = New System.Drawing.Size(30, 30)
        Me.ImageList1.ImageStream = CType(resources.GetObject("ImageList1.ImageStream"), System.Windows.Forms.ImageListStreamer)
        Me.ImageList1.TransparentColor = System.Drawing.Color.Transparent
        '
        'GroupBox2
        '
        Me.GroupBox2.Controls.Add(Me.lbl_chapter)
        Me.GroupBox2.Controls.Add(Me.Label6)
        Me.GroupBox2.Controls.Add(Me.Panel2)
        Me.GroupBox2.Controls.Add(Me.tv_chapter)
        Me.GroupBox2.Location = New System.Drawing.Point(256, 7)
        Me.GroupBox2.Name = "GroupBox2"
        Me.GroupBox2.Size = New System.Drawing.Size(240, 568)
        Me.GroupBox2.TabIndex = 1
        Me.GroupBox2.TabStop = False
        Me.GroupBox2.Text = "章节信息："
        '
        'lbl_chapter
        '
        Me.lbl_chapter.Location = New System.Drawing.Point(24, 40)
        Me.lbl_chapter.Name = "lbl_chapter"
        Me.lbl_chapter.Size = New System.Drawing.Size(200, 16)
        Me.lbl_chapter.TabIndex = 5
        '
        'Label6
        '
        Me.Label6.Location = New System.Drawing.Point(8, 16)
        Me.Label6.Name = "Label6"
        Me.Label6.Size = New System.Drawing.Size(68, 16)
        Me.Label6.TabIndex = 4
        Me.Label6.Text = "当前章节："
        '
        'Panel2
        '
        Me.Panel2.BorderStyle = System.Windows.Forms.BorderStyle.Fixed3D
        Me.Panel2.Controls.Add(Me.txt_chapter)
        Me.Panel2.Controls.Add(Me.cmd_chapterdelete)
        Me.Panel2.Controls.Add(Me.cmd_chaptermodify)
        Me.Panel2.Controls.Add(Me.cmd_chapteradd)
        Me.Panel2.Controls.Add(Me.Label2)
        Me.Panel2.Location = New System.Drawing.Point(8, 448)
        Me.Panel2.Name = "Panel2"
        Me.Panel2.Size = New System.Drawing.Size(224, 112)
        Me.Panel2.TabIndex = 1
        '
        'txt_chapter
        '
        Me.txt_chapter.Location = New System.Drawing.Point(30, 32)
        Me.txt_chapter.Name = "txt_chapter"
        Me.txt_chapter.Size = New System.Drawing.Size(160, 21)
        Me.txt_chapter.TabIndex = 12
        Me.txt_chapter.Text = ""
        Me.txt_chapter.TextAlign = System.Windows.Forms.HorizontalAlignment.Right
        '
        'cmd_chapterdelete
        '
        Me.cmd_chapterdelete.FlatStyle = System.Windows.Forms.FlatStyle.Flat
        Me.cmd_chapterdelete.Location = New System.Drawing.Point(152, 64)
        Me.cmd_chapterdelete.Name = "cmd_chapterdelete"
        Me.cmd_chapterdelete.Size = New System.Drawing.Size(60, 30)
        Me.cmd_chapterdelete.TabIndex = 11
        Me.cmd_chapterdelete.Text = "删 除"
        '
        'cmd_chaptermodify
        '
        Me.cmd_chaptermodify.FlatStyle = System.Windows.Forms.FlatStyle.Flat
        Me.cmd_chaptermodify.Location = New System.Drawing.Point(80, 64)
        Me.cmd_chaptermodify.Name = "cmd_chaptermodify"
        Me.cmd_chaptermodify.Size = New System.Drawing.Size(60, 30)
        Me.cmd_chaptermodify.TabIndex = 10
        Me.cmd_chaptermodify.Text = "修 改"
        '
        'cmd_chapteradd
        '
        Me.cmd_chapteradd.FlatStyle = System.Windows.Forms.FlatStyle.Flat
        Me.cmd_chapteradd.Location = New System.Drawing.Point(8, 64)
        Me.cmd_chapteradd.Name = "cmd_chapteradd"
        Me.cmd_chapteradd.Size = New System.Drawing.Size(60, 30)
        Me.cmd_chapteradd.TabIndex = 9
        Me.cmd_chapteradd.Text = "添 加"
        '
        'Label2
        '
        Me.Label2.Location = New System.Drawing.Point(72, 8)
        Me.Label2.Name = "Label2"
        Me.Label2.Size = New System.Drawing.Size(68, 16)
        Me.Label2.TabIndex = 8
        Me.Label2.Text = "章节名称："
        Me.Label2.TextAlign = System.Drawing.ContentAlignment.MiddleRight
        '
        'tv_chapter
        '