/// <summary> /// Gets the value of top y coordinate specified marker of <see cref="ErrorBarGraph"/> by its <see cref="DynamicMarkerViewModel"/>. /// </summary> /// <param name="value">An instance of <see cref="DynamicMarkerViewModel"/> class describing specified marker.</param> /// <param name="targetType"></param> /// <param name="parameter"></param> /// <param name="culture"></param> /// <returns>Top y coordinate of bar. Null if the value is null.</returns> public object Convert(object value, Type targetType, object parameter, CultureInfo culture) { try { if (value == null) { return(value); } DynamicMarkerViewModel model = value as DynamicMarkerViewModel; if (model != null) { return(System.Convert.ToDouble(model.Sources["Y"], CultureInfo.InvariantCulture) + System.Convert.ToDouble(model.Sources["H"], CultureInfo.InvariantCulture) / 2); } else { return(0); } } catch (Exception exc) { Debug.WriteLine("Cannot convert value: " + exc.Message); return(0); } }
/// <summary> /// Gets data bounds of a marker of <see cref="MarkerGraph"/> by its <see cref="DynamicMarkerViewModel"/>. /// </summary> /// <param name="value">An instance of <see cref="DynamicMarkerViewModel"/> class describing specified marker.</param> /// <param name="targetType"></param> /// <param name="parameter"></param> /// <param name="culture"></param> /// <returns>Data bounds of specified marker of marker graph.</returns> public object Convert(object value, Type targetType, object parameter, CultureInfo culture) { try { DynamicMarkerViewModel model = value as DynamicMarkerViewModel; double x = System.Convert.ToDouble(model.Sources["X"], CultureInfo.InvariantCulture); double y = System.Convert.ToDouble(model.Sources["Y"], CultureInfo.InvariantCulture); return(new DataRect(x, y, x, y)); } catch (Exception exc) { Debug.WriteLine("Cannot convert value to DataRect: " + exc.Message); return(new DataRect()); } }
/// <summary> /// Gets screen thickness of a marker of <see cref="MarkerGraph"/> by its <see cref="DynamicMarkerViewModel"/>. /// </summary> /// <param name="value">An instance of <see cref="DynamicMarkerViewModel"/> class describing specified marker.</param> /// <param name="targetType"></param> /// <param name="parameter"></param> /// <param name="culture"></param> /// <returns>Screen thickness of specified marker of marker graph. If it is 0 than returns 5.</returns> public object Convert(object value, Type targetType, object parameter, CultureInfo culture) { try { DynamicMarkerViewModel model = value as DynamicMarkerViewModel; double d = System.Convert.ToDouble(model[seriesName], CultureInfo.InvariantCulture); if (d == 0) { d = 10; } return(new Thickness(d / 2.0)); } catch (Exception exc) { Debug.WriteLine("Cannot convert value to Thickness: " + exc.Message); return(new Thickness()); } }