55 lines
1.4 KiB
C#
55 lines
1.4 KiB
C#
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#define Graph_And_Chart_PRO
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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namespace ChartAndGraph
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{
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/// <summary>
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/// holds date values
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/// </summary>
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public class ChartDateUtility
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{
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private static DateTime Epoch = new DateTime(1970, 1, 1, 0, 0, 0, 0, System.DateTimeKind.Utc);
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public static double TimeSpanToValue(TimeSpan span)
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{
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return span.TotalSeconds;
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}
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public static double DateToValue(DateTime dateTime)
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{
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return (dateTime - Epoch).TotalSeconds;
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}
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public static string DateToTimeString(DateTime dateTime)
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{
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return dateTime.ToString("t");
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}
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public static string DateToDateString(DateTime dateTime)
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{
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return dateTime.ToString("d");
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}
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public static string DateToDateTimeString(DateTime dateTime,Func<DateTime,string> customFormat)
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{
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if(customFormat != null)
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{
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try
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{
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return customFormat(dateTime);
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}
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catch
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{
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}
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}
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return string.Format("{0}{1}{2}", dateTime.ToString("d"), Environment.NewLine, dateTime.ToString("t"));
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}
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public static DateTime ValueToDate(double value)
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{
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return Epoch.AddSeconds(value);
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}
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}
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}
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