C#

protected override void OnPaint(PaintEventArgs e)
    {
    e.Graphics.FillRectangle(Brushes.Green, e.ClipRectangle);
    }

"I would then add a Paint method to my ECG class, and hand it either e.Graphics so it can draw itself."

using System.Drawing;
using System.Windows.Forms;
public partial class ECGMachine
   {
   ...
   public void Paint(Graphics g)
      {
      g.FillRectangle(Brushes.Red, g.ClipBounds);
      }
   ...
   }

...
myECGMachineINstance.Paint(e.Graphics);
...

stephen.darling wrote:

manualy draw a panal object on the form

stephen.darling wrote:

how would I then "atach" the new panal to my control

Panel p = new Panel();
p.Location = pointIWantMyPanel;
p.Size = sizeIWantMyPanel;
Controls.Add(p);
MyECGDisplayControl myECG = new MyECGDisplayControl();
myECG.Location = pointIWantMyECG;
myECG.Size = sizeIWantMyECG;
p.Controls.Add(myECG);

<code>Dictionary<DateTime, bool> dates = new Dictionary<DateTime, bool>();
for(DateTime loop = Min(ranges); loop < Max(ranges); loop = loop.AddDays(1))
{
    dates.Add(loop, false);
}

for(int i = 0; i < ranges.count; i++)
{
    for(DateTime loop = ranges[i].Start; loop < ranges[i].End; loop = loop.AddDays(1))
    {
        dates[loop] = true;
    }
}

Yanshof wrote:

pointCollectionSelected = from i in PointCollection where i.X == 50
select i;

pointCollectionSelected = (from i in PointCollection
                                    where  i.X == 50
                                    select i).ToList();

e.Graphics.DrawRectangle(blackpen, 0, 0, x + 1, ecgDisplay.Height);

e.Graphics.DrawLine(blackpen, x+1, 0, x + 1, ecgDisplay.Height-1);

panel4.Controls.Clear();<br />
            Application.DoEvents();<br />
            int i = 0;<br />
            int left = 9;<br />
            waarb = @"Comm\ConnMgr";<br />
            RegKey = Registry.LocalMachine.OpenSubKey(waarb);<br />
<br />
            if (RegKey != null)<br />
            {<br />
                foreach (string valuename in RegKey.GetSubKeyNames()) <br />
                {<br />
                    Button dynamicButton = new Button();<br />
                    dynamicButton.Name = "dynamicButton" + i.ToString();<br />
                    dynamicButton.Width = 75;<br />
                    dynamicButton.Height = 23;<br />
                    dynamicButton.Left = left;<br />
                    dynamicButton.Top = 10 + (dynamicButton.Height * i) + (10 * i);<br />
                    dynamicButton.Text = valuename.ToString();<br />
                    dynamicButton.Click += new EventHandler(Button_Click); //hook the Click event<br />
                    panel4.Controls.Add(dynamicButton);<br />
                    Application.DoEvents();<br />
                    i++;<br />
                }<br />
                RegKey.Flush();<br />
                RegKey.Close();<br />
            }<br />
            Application.DoEvents();<br />
        }