' ButtonData1 Example

' Show how columns in a dataset can bind to properties other than Text.

Imports System.Data.OleDb
Public Class Form1
    Inherits System.Windows.Forms.Form

    Private c As OleDbConnection
    Private da As OleDbDataAdapter
    Private ds As DataSet
    Private nRows As Integer

#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 picDisplay As System.Windows.Forms.PictureBox
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
        Me.picDisplay = New System.Windows.Forms.PictureBox
        Me.SuspendLayout()
        '
        'picDisplay
        '
        Me.picDisplay.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle
        Me.picDisplay.Location = New System.Drawing.Point(24, 16)
        Me.picDisplay.Name = "picDisplay"
        Me.picDisplay.Size = New System.Drawing.Size(216, 216)
        Me.picDisplay.TabIndex = 0
        Me.picDisplay.TabStop = False
        '
        'Form1
        '
        Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
        Me.ClientSize = New System.Drawing.Size(264, 254)
        Me.Controls.Add(Me.picDisplay)
        Me.Name = "Form1"
        Me.Text = "ButtonData2 Example"
        Me.ResumeLayout(False)

    End Sub

#End Region

    Private Sub Form1_Load(ByVal sender As System.Object, _
        ByVal e As System.EventArgs) Handles MyBase.Load

        c = New OleDbConnection
        c.ConnectionString = "Provider=Microsoft.Jet.OLEDB.4.0;" & _
            "Data Source=c:\ButtonData.mdb"
        c.Open()

        Dim s As New OleDbCommand
        s.Connection = c
        s.CommandType = CommandType.Text
        s.CommandText = "SELECT * FROM ButtonTable"

        da = New OleDbDataAdapter
        da.SelectCommand = s

        ds = New DataSet
        nRows = da.Fill(ds, "ButtonTable")
    End Sub

    Private Sub picDisplay_Paint(ByVal sender As Object, _
        ByVal e As System.Windows.Forms.PaintEventArgs) Handles picDisplay.Paint

        Dim f As New Font("Arial", 18, FontStyle.Bold)
        Dim b As New SolidBrush(Color.Peru)
        Dim r As DataRow
        Dim x, y As Integer
        Dim s As String
        Dim g As Graphics = e.Graphics

        For Each r In ds.Tables(0).Rows
            x = r.Item("X")
            y = r.Item("Y")
            s = r.Item("Caption")
            g.DrawString(s, f, b, x, y)
        Next
    End Sub
End Class