📄 form1.vb
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Public Class Form1
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
Friend WithEvents Button1 As System.Windows.Forms.Button
Friend WithEvents PictureBox1 As System.Windows.Forms.PictureBox
'Required by the Windows Form Designer
Private components As System.ComponentModel.Container
'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.
<System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
Me.Button1 = New System.Windows.Forms.Button()
Me.PictureBox1 = New System.Windows.Forms.PictureBox()
Me.SuspendLayout()
'
'Button1
'
Me.Button1.Font = New System.Drawing.Font("Verdana", 9.75!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
Me.Button1.Location = New System.Drawing.Point(8, 210)
Me.Button1.Name = "Button1"
Me.Button1.Size = New System.Drawing.Size(104, 32)
Me.Button1.TabIndex = 0
Me.Button1.Text = "Draw Shapes"
'
'PictureBox1
'
Me.PictureBox1.Location = New System.Drawing.Point(226, 16)
Me.PictureBox1.Name = "PictureBox1"
Me.PictureBox1.Size = New System.Drawing.Size(234, 214)
Me.PictureBox1.TabIndex = 1
Me.PictureBox1.TabStop = False
'
'Form1
'
Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
Me.ClientSize = New System.Drawing.Size(474, 307)
Me.Controls.AddRange(New System.Windows.Forms.Control() {Me.PictureBox1, Me.Button1})
Me.Name = "Form1"
Me.Text = "Simple Shapes Demo"
Me.ResumeLayout(False)
End Sub
#End Region
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
Dim G As Graphics
G = Me.CreateGraphics
Dim P As New Pen(Color.Blue)
G.DrawRectangle(P, 10, 10, 200, 150)
G.DrawLine(P, 10, 10, 210, 160)
G.DrawLine(P, 210, 10, 10, 160)
End Sub
Protected Overrides Sub OnPaint(ByVal e As PaintEventArgs)
Console.WriteLine("OnPaint")
MyBase.OnPaint(e)
Dim G As Graphics
G = e.Graphics
Dim P As New Pen(Color.Blue)
G.DrawRectangle(P, 10, 10, 200, 150)
G.DrawLine(P, 10, 10, 210, 160)
G.DrawLine(P, 210, 10, 10, 160)
End Sub
Private Sub Form1_Resize(ByVal sender As Object, ByVal e As System.EventArgs) Handles MyBase.Resize
Console.WriteLine("Resize")
End Sub
Private Sub PictureBox1_Paint(ByVal sender As Object, ByVal e As System.Windows.Forms.PaintEventArgs) Handles PictureBox1.Paint
Console.WriteLine("PPaint")
Dim G As Graphics
G = PictureBox1.CreateGraphics
Dim P As New Pen(Color.Blue)
G.DrawRectangle(P, 10, 10, 200, 150)
G.DrawLine(P, 10, 10, 210, 160)
G.DrawLine(P, 210, 10, 10, 160)
End Sub
End Class
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