mdimain.vb

来自「Samples are organized by chapter, and th」· VB 代码 · 共 170 行

Public Class MDIMain
    Inherits System.Windows.Forms.Form

#Region " Windows Form Designer generated code "

    Public Sub New()
        MyBase.New()

        'This call is required by the Windows Form Designer.
        InitializeComponent()

        'Add any initialization after the InitializeComponent() call

    End Sub

    'Form overrides dispose to clean up the component list.
    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

    'Required by the Windows Form Designer
    Private components As System.ComponentModel.IContainer

    'NOTE: The following procedure is required by the Windows Form Designer
    'It can be modified using the Windows Form Designer.  
    'Do not modify it using the code editor.
    Friend WithEvents imgButtons As System.Windows.Forms.ImageList
    Friend WithEvents ToolBar1 As System.Windows.Forms.ToolBar
    Friend WithEvents cmdNew As System.Windows.Forms.ToolBarButton
    Friend WithEvents cmdOpen As System.Windows.Forms.ToolBarButton
    Friend WithEvents cmdClose As System.Windows.Forms.ToolBarButton
    Friend WithEvents cmdSave As System.Windows.Forms.ToolBarButton
    Friend WithEvents ToolBarButton1 As System.Windows.Forms.ToolBarButton
    Friend WithEvents cmdPreview As System.Windows.Forms.ToolBarButton
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
        Me.components = New System.ComponentModel.Container()
        Dim resources As System.Resources.ResourceManager = New System.Resources.ResourceManager(GetType(MDIMain))
        Me.imgButtons = New System.Windows.Forms.ImageList(Me.components)
        Me.ToolBar1 = New System.Windows.Forms.ToolBar()
        Me.cmdNew = New System.Windows.Forms.ToolBarButton()
        Me.cmdOpen = New System.Windows.Forms.ToolBarButton()
        Me.cmdClose = New System.Windows.Forms.ToolBarButton()
        Me.cmdSave = New System.Windows.Forms.ToolBarButton()
        Me.ToolBarButton1 = New System.Windows.Forms.ToolBarButton()
        Me.cmdPreview = New System.Windows.Forms.ToolBarButton()
        Me.SuspendLayout()
        '
        'imgButtons
        '
        Me.imgButtons.ColorDepth = System.Windows.Forms.ColorDepth.Depth8Bit
        Me.imgButtons.ImageSize = New System.Drawing.Size(16, 16)
        Me.imgButtons.ImageStream = CType(resources.GetObject("imgButtons.ImageStream"), System.Windows.Forms.ImageListStreamer)
        Me.imgButtons.TransparentColor = System.Drawing.Color.Transparent
        '
        'ToolBar1
        '
        Me.ToolBar1.Appearance = System.Windows.Forms.ToolBarAppearance.Flat
        Me.ToolBar1.BorderStyle = System.Windows.Forms.BorderStyle.Fixed3D
        Me.ToolBar1.Buttons.AddRange(New System.Windows.Forms.ToolBarButton() {Me.cmdNew, Me.cmdOpen, Me.cmdClose, Me.cmdSave, Me.ToolBarButton1, Me.cmdPreview})
        Me.ToolBar1.DropDownArrows = True
        Me.ToolBar1.ImageList = Me.imgButtons
        Me.ToolBar1.Name = "ToolBar1"
        Me.ToolBar1.ShowToolTips = True
        Me.ToolBar1.Size = New System.Drawing.Size(292, 41)
        Me.ToolBar1.TabIndex = 4
        '
        'cmdNew
        '
        Me.cmdNew.ImageIndex = 3
        Me.cmdNew.Text = "New"
        '
        'cmdOpen
        '
        Me.cmdOpen.ImageIndex = 0
        Me.cmdOpen.Text = "Open"
        '
        'cmdClose
        '
        Me.cmdClose.ImageIndex = 1
        Me.cmdClose.Text = "Close"
        '
        'cmdSave
        '
        Me.cmdSave.ImageIndex = 2
        Me.cmdSave.Text = "Save"
        '
        'ToolBarButton1
        '
        Me.ToolBarButton1.Style = System.Windows.Forms.ToolBarButtonStyle.Separator
        '
        'cmdPreview
        '
        Me.cmdPreview.ImageIndex = 4
        Me.cmdPreview.Text = "Preview"
        '
        'MDIMain
        '
        Me.AutoScaleBaseSize = New System.Drawing.Size(5, 14)
        Me.ClientSize = New System.Drawing.Size(292, 266)
        Me.Controls.AddRange(New System.Windows.Forms.Control() {Me.ToolBar1})
        Me.Font = New System.Drawing.Font("Tahoma", 8.25!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
        Me.IsMdiContainer = True
        Me.Name = "MDIMain"
        Me.Text = "Floating Toolbar"
        Me.ResumeLayout(False)

    End Sub

#End Region


    Private DraggingToolbar As Boolean
    Private DraggedFrom As Point
    Private DraggedIncrement

    Private Sub ToolBar1_MouseDown(ByVal sender As Object, ByVal e As System.Windows.Forms.MouseEventArgs) Handles ToolBar1.MouseDown
        DraggingToolbar = True
        DraggedFrom = New Point(e.X, e.Y)
        ToolBar1.Capture = True
    End Sub

    Private Sub ToolBar1_MouseMove(ByVal sender As Object, ByVal e As System.Windows.Forms.MouseEventArgs) Handles ToolBar1.MouseMove
        If DraggingToolbar Then
            If ToolBar1.Dock = DockStyle.Top Then

                ' Check it the dragging has reached the threshold.
                If (DraggedFrom.X < e.X - 20) Or (DraggedFrom.Y < e.Y - 20) Then
                    DraggingToolbar = False

                    ' Disconnect the toolbar.
                    ToolBar1.Dock = DockStyle.None
                    ToolBar1.Location = New Point(10, 10)
                    ToolBar1.Size = New Size(200, 100)
                    ToolBar1.BorderStyle = BorderStyle.FixedSingle
                End If

            ElseIf ToolBar1.Dock = DockStyle.None Then
                ToolBar1.Left = e.X + ToolBar1.Left - DraggedFrom.X
                ToolBar1.Top = e.Y + ToolBar1.Top - DraggedFrom.Y

                If ToolBar1.Top < 5 Then
                    DraggingToolbar = False

                    ' Re-dock the control.
                    ToolBar1.Dock = DockStyle.Top
                    ToolBar1.BorderStyle = BorderStyle.None
                ElseIf ToolBar1.Left < 5 Then
                    DraggingToolbar = False

                    ' Re-dock the control.
                    ToolBar1.Dock = DockStyle.Left
                    ToolBar1.BorderStyle = BorderStyle.None
                End If

            End If
        End If
    End Sub

    Private Sub ToolBar1_MouseUp(ByVal sender As Object, ByVal e As System.Windows.Forms.MouseEventArgs) Handles ToolBar1.MouseUp
        DraggingToolbar = False
        ToolBar1.Capture = False
    End Sub

End Class