private static void setPointCollection(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
ExtendedProgressBar copy = d as ExtendedProgressBar;
if (copy != null && copy.ProgressBarWidth != 0.0)
{
double _height = copy.Height;
if (double.IsNaN(_height) || _height == 0)
{
_height = copy.ActualHeight;
}
PointCollection result = new PointCollection();
if (copy.Points == null)
{
copy.Points = new PointCollection(new List <Point>()
{
new Point(0, 1), new Point(0, 0.99), new Point(1, 0), new Point(1, 1)
});
}
foreach (Point item in copy.Points)
{
result.Add(new Point(item.X * copy.ProgressBarWidth, item.Y * (_height - 12)));
}
copy.ProgressBarPoints = result;
}
}
private static void OnProgressBarPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
if (e.Property == PointsProperty)
{
setPointCollection(d, e);
}
else if (e.Property == ProgressBarBackgroundProperty || e.Property == ProgressBarForegroundProperty)
{
ExtendedProgressBar copy = d as ExtendedProgressBar;
if (copy != null)
{
if (copy.ProgressBarFill == null)
{
copy.ProgressBarFill = new LinearGradientBrush();
copy.ProgressBarFill.StartPoint = new Point(0, 0);
copy.ProgressBarFill.EndPoint = new Point(1, 0);
}
copy.ProgressBarFill.GradientStops.Clear();
copy.ProgressBarFill.GradientStops.Add(new GradientStop(copy.ProgressBarForeground.Color, 0));
copy.ProgressBarFill.GradientStops.Add(new GradientStop(copy.ProgressBarForeground.Color, copy.Value / copy.Maximum));
copy.ProgressBarFill.GradientStops.Add(new GradientStop(copy.ProgressBarBackground.Color, copy.Value / copy.Maximum));
}
}
}