public override string ToString()
{
return
(FieldToSet == null
? base.ToString()
: FieldToSet.Value + " = " + (ClearValue ? "(null)" : ValueToSet?.ToString()));
}
protected override void OnPaint(System.Windows.Forms.PaintEventArgs e)
{
base.OnPaint(e);
Graphics G = e.Graphics;
HatchBrush Hatch = new HatchBrush(HatchStyle.WideDownwardDiagonal, Color.FromArgb(20, Color.Black), Color.Transparent);
G.Clear(Parent.BackColor);
G.SmoothingMode = SmoothingMode.AntiAlias;
PipeBorder = RoundRectangle.RoundRect(1, 6, Width - 3, 8, 3);
try
{
ValueDrawer = Convert.ToInt32((_Value - _Minimum) / (_Maximum - _Minimum) * (Width - 11));
}
catch (Exception ex)
{
}
TrackBarHandleRect = new Rectangle(ValueDrawer, 0, 10, 20);
G.SetClip(PipeBorder); // Set the clipping region of this Graphics to the specified GraphicsPath
ValueRect = new Rectangle(1, 7, TrackBarHandleRect.X + TrackBarHandleRect.Width - 2, 7);
VlaueLGB = new LinearGradientBrush(ValueRect, _ValueColour, _ValueColour, 90.0F);
G.FillRectangle(VlaueLGB, ValueRect);
if (_DrawHatch == true)
{
G.FillRectangle(Hatch, ValueRect);
}
G.ResetClip(); // Reset the clip region of this Graphics to an infinite region
G.SmoothingMode = SmoothingMode.AntiAlias;
G.DrawPath(new Pen(Color.FromArgb(180, 180, 180)), PipeBorder); // Draw pipe border
TrackBarHandle = RoundRectangle.RoundRect(TrackBarHandleRect, 3);
TrackBarHandleLGB = new LinearGradientBrush(ClientRectangle, SystemColors.Control, SystemColors.Control, 90.0F);
// Fill the handle body with the specified color gradient
G.FillPath(TrackBarHandleLGB, TrackBarHandle);
// Draw handle borders
G.DrawPath(new Pen(Color.FromArgb(180, 180, 180)), TrackBarHandle);
if (_DrawValueString == true)
{
G.DrawString(ValueToSet.ToString(), Font, Brushes.Gray, 0, 25);
}
}