String in Double umwandeln (mit InvariantCulture)

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/// <summary>
/// Wandelt in String in Double um
/// </summary>
/// <param name="In"></param>
/// <returns></returns>
public static double ToDouble(string In)
{
    In = In.Replace(",", ".");

    return double.Parse(In, System.Globalization.CultureInfo.InvariantCulture);
}

/// <summary>
/// Wandelt String in Double um mit Default falls es nicht möglich ist
/// </summary>
/// <param name="In"></param>
/// <param name="Default"></param>
/// <returns></returns>
public static double ToDouble(string In, double Default)
{
    double dblOut;

    In = In.Replace(",", ".");

    try
    {
        dblOut = double.Parse(In, System.Globalization.CultureInfo.InvariantCulture);
    }
    catch
    {
        dblOut = Default;
    }

    return dblOut;
}

/// <summary>
/// Wandelt einen String in Double um (Default = 0 oder es wird eine Exception ausgelöst)
/// </summary>
/// <param name="In">String</param>
/// <param name="UseExceptions">True (Exception wird ausgelöst) oder False (Default 0 wird verwendet)</param>
/// <returns></returns>
public static double ToDouble(string In, bool UseExceptions)
{
    double dblOut;

    In = In.Replace(",", ".");

    try
    {
        dblOut = double.Parse(In, System.Globalization.CultureInfo.InvariantCulture);
    }
    catch (Exception ex)
    {
        if (UseExceptions)
            throw ex;
        else
            dblOut = 0;
    }

    return dblOut;
}