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Custom Gauge Controls for Windows Phone 7: Part II

, 25 Feb 2013
This article is the second in the series that describes a set of gauge controls for WP7.
GaugeLibV2-noexe.zip
GaugeLib
GaugeLib.csproj.user
Properties
Themes
GaugeLibV2.zip
Bin
Debug
GaugeLib.dll
GaugeLib.pdb
Release
GaugeLib.csproj.user
WPScadaControls.zip
WPScadaControls
WPClientV2
ApplicationIcon.png
Background.png
Bin
Debug
ApplicationIcon.png
Background.png
WPClientV2.dll
WPClientV2.xap
WPScadaControlsV2.dll
Release
obj
Debug
TempPE
Properties
SplashScreenImage.jpg
WPClientV2.csproj.user
WPScadaControlsV2
Bin
Debug
WPScadaControlsV2.dll
Release
obj
Debug
TempPE
Themes
Properties
ScaleDiagram.cd
Themes
WPScadaControlsV2.csproj.user
using System;
using System.Net;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Documents;
using System.Windows.Ink;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Animation;
using System.Windows.Shapes;
using System.Windows.Data;

namespace WPClientV2
{
    public class GradientConverter:IValueConverter
    {
        public Color StartColor { get; set; }
        public Color EndColor { get; set; }
        public Color DefaultColor { get; set; }
        public double StartValue { get; set; }
        public double EndValue { get; set; }
        public GradientConverter()
        {
            DefaultColor = Colors.White;
            StartColor = Colors.White;
            EndColor = Colors.White;
        }
        public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
        {
            double val=(double)value;
            int n = (int)(EndValue - StartValue);
            int curr = (int)(val-StartValue);
            Color newColor = DefaultColor;
            if(val>=StartValue && val<=EndValue)
            {
                double u=(double)curr/n;
                newColor.R = (byte)(StartColor.R * (1 - u) + EndColor.R * u);
                newColor.G = (byte)(StartColor.G * (1 - u) + EndColor.G * u);
                newColor.B = (byte)(StartColor.B * (1 - u) + EndColor.B * u);
            }
            return new SolidColorBrush(newColor);
        }

        public object ConvertBack(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
        {
            throw new NotImplementedException();
        }
    }
}

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About the Author

Florin Badea
Software Developer
Romania Romania
No Biography provided

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