C#

Roger Wright wrote:

do them in AutoCAD, export them to pdf in CutePDF, import them and resize them in GIMP 2, then save them as jpg

using System;
using System.Drawing;
using System.Windows.Forms;

namespace RogerWright.Drawing
{
    public class DrawingSurface : Panel
    {
        private const string Legend = "Drawing Surface";

        public DrawingSurface()
        {
            DoubleBuffered = true;
        }

        private Rectangle GetLayoutRectangle()
        {
            return new Rectangle(
                    Padding.Left,
                    Padding.Top,
                    Width - Padding.Horizontal,
                    Height - Padding.Vertical);
        }
        protected override void OnPaddingChanged(EventArgs e)
        {
            Invalidate();
            base.OnPaddingChanged(e);
        }
        protected override void OnPaint(PaintEventArgs e)
        {
            // begin custom drawing
            Rectangle layoutRectangle = GetLayoutRectangle();
            using (Brush textBrush = new SolidBrush(ForeColor))
            {
                e.Graphics.DrawString(Legend, Font, textBrush, layoutRectangle);
            }
            float yOffset = e.Graphics.MeasureString(Legend, Font).Height;
            // ...
            // end custom drawing
            base.OnPaint(e);
        }
    }
}

namespace MyPanel
{
    public partial class FlowPanel : UserControl
    {
        public FlowPanel()
        {
            InitializeComponent();
            Graphics dc = this.CreateGraphics();
            this.Show();
            Pen bluePen = new Pen(Color.Blue, 3);
            dc.DrawRectangle(bluePen, 170, 10, 100, 100);

        }
    }
}

private System.Windows.Forms.GroupBox gbSelect;
        private System.Windows.Forms.RadioButton rbTrap;
        private System.Windows.Forms.RadioButton rbRect;
        private System.Windows.Forms.RadioButton rbCircular;
        private System.Windows.Forms.Label label1;
        private System.Windows.Forms.Label label2;
        private System.Windows.Forms.Label label3;
        private System.Windows.Forms.TextBox textBox1;
        private System.Windows.Forms.TextBox textBox2;
        private System.Windows.Forms.TextBox textBox3;

using (Pen bluePen = new Pen(Color.Blue, 3))
{
    // ...
}// bluePen is now out of scope and Dispose has automatically been called!

protected override void OnPaint(PaintEventArgs e)
{
    using (Pen bluePen = new Pen(Color.Blue, 3))
    {
        e.Graphics.DrawRectangle(bluePen, 170, 10, 100, 100);
    }
    base.OnPaint(e);
}

Roger Wright wrote:

my work PC has mixed feelings...

Make Up Forever wrote:

user add and remove

Manager.Add(user);
Manager.Delete(user);