public static int ComputeTicks(VisComponent c, double val)
{
int v = (int) (c.Ticks * ((val - c.Min) / (c.Max - c.Min)));
if (v < 0)
{
v = 0;
}
if (v > c.Ticks)
{
v = c.Ticks;
}
return v;
}
public static void PopulateVisComponents(Form form, VisComponent[] visComponents, int spacing)
{
for (int index = 0; index < visComponents.Length; ++index)
{
VisComponent c = visComponents[index];
int y = index * spacing + 10;
int x = 10;
int w = 170;
c.Label = new Label();
c.Label.Text = c.Name;
c.Label.Location = new System.Drawing.Point(x, y);
c.Label.Size = new System.Drawing.Size(w, 28);
x += w + 10;
w = 100;
c.ValueLabel = new Label();
c.ValueLabel.Text = String.Format("{0:F2}", c.Value);
c.ValueLabel.Location = new Point(x, y);
c.ValueLabel.Size = new Size(w, 28);
x += w + 10;
w = 300;
c.TrackBar = new TrackBar();
c.TrackBar.Location = new System.Drawing.Point(x, y);
c.TrackBar.Size = new System.Drawing.Size(w, 28);
c.TrackBar.Minimum = 0;
c.TrackBar.Maximum = c.Ticks;
c.TrackBar.TickFrequency = c.Ticks/10;
c.TrackBar.Value = ComputeTicks(c, c.Value);
c.TrackBar.ValueChanged += delegate(object sender, EventArgs e)
{
c.ValueLabel.Text = String.Format("{0:F2}", ComputeValue(c));
};
}
foreach (var c in visComponents) {
form.Controls.Add(c.Label);
form.Controls.Add(c.TrackBar);
form.Controls.Add(c.ValueLabel);
}
}
public static double ComputeValue(VisComponent c)
{
return c.Min + ((c.Max - c.Min) * c.TrackBar.Value / (double) c.Ticks);
}