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POHow to derive custom culture from .NET CultureInfo class?
 

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  1. POHow to derive custom culture from .NET CultureInfo class?
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    <p>I want to set my application culture to whatever I want, regardless of what the OS culture is. To obtain this I used CultureInfo class with "fa-IR" as culture, but it used the "GregorianCalendar" as default calendar and not the .NET PersianCalendar class. So I tried to derive a new class from CultureInfo to implement my customer culture:</p> <pre><code>/// &lt;summary&gt; /// Represents culture specific information, Persian calendar and number format info for Iran. /// &lt;/summary&gt; public class PersianCultureInfo : CultureInfo { private Calendar _calendar = new PersianCalendar(); public PersianCultureInfo() : base("fa-IR", true) { } /// &lt;summary&gt; /// Persian calendar with solar system algorithm for Iran. /// &lt;/summary&gt; public override Calendar Calendar { get { return this._calendar; } } public static PersianCultureInfo Create() { PersianCultureInfo culture = new PersianCultureInfo(); culture.PerpareDateTimeFormatInfo(); return culture; } private void PerpareDateTimeFormatInfo() { this.DateTimeFormat.Calendar = this.Calendar; this.DateTimeFormat.FirstDayOfWeek = DayOfWeek.Saturday; } } </code></pre> <p>The problem is that the DateTimeFormat property throws the following exception:</p> <pre><code>Not a valid calendar for the given culture. Parameter name: value </code></pre> <p>So I tried to override the OptionalCalendars property to add the PersianCalendar to them, because by default the list only contains the GregorianCalendar and HijriCalendar:</p> <pre><code> public override Calendar[] OptionalCalendars { get { return base.OptionalCalendars.Concat&lt;Calendar&gt;(new Calendar[1] { new PersianCalendar() }).ToArray&lt;Calendar&gt;(); } } </code></pre> <p>But it didnt solved the problem. What is wrong? How can I set PersianCalendar as default calendar for CultureInfo and DateTimeFormat in correct way?</p>
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    1. USMehdi Sadeghi
    1. USMehdi Sadeghi
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      1. POHow to derive custom culture from .NET CultureInfo class?
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    1. COmaybe this link help you more Compatriot:) http://www.codeproject.com/Articles/17495/Persian-DateTime
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      1. USArash
 

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