public static double?TryDouble(object val, bool useCulture = true)
{
double num;
CultureInfo info = useCulture ? CultureInfo.CurrentCulture : CultureInfo.InvariantCulture;
if (val == null)
{
return(0.0);
}
if (IsNumber(val))
{
if (val is DateTime)
{
return(new double?(DateTimeExtension.ToOADate((DateTime)val)));
}
if (val is TimeSpan)
{
TimeSpan span = (TimeSpan)val;
return(new double?(span.TotalDays));
}
try
{
return(new double?(Convert.ToDouble(val, (IFormatProvider)info)));
}
catch (InvalidCastException)
{
return(null);
}
}
if ((val is string) && double.TryParse((string)(val as string), (NumberStyles)NumberStyles.Any, (IFormatProvider)info, out num))
{
return(new double?(num));
}
return(null);
}
public static bool?TryBool(object val, bool useCulture = true)
{
CultureInfo info = useCulture ? CultureInfo.CurrentCulture : CultureInfo.InvariantCulture;
if (val == null)
{
return(false);
}
if (val is bool)
{
return(new bool?((bool)((bool)val)));
}
if (!IsNumber(val) && !(val is string))
{
return(null);
}
if (val is DateTime)
{
return(new bool?(DateTimeExtension.ToOADate((DateTime)val) != 0.0));
}
if (val is TimeSpan)
{
TimeSpan span = (TimeSpan)val;
return(new bool?(span.TotalDays != 0.0));
}
if (val is string)
{
bool flag;
if (bool.TryParse((string)(val as string), out flag))
{
return(new bool?(flag));
}
return(null);
}
try
{
return(new bool?(Convert.ToBoolean(val, (IFormatProvider)info)));
}
catch (FormatException)
{
return(null);
}
catch (InvalidCastException)
{
return(null);
}
}
public static int?TryInt(object val, bool useCulture = true)
{
CultureInfo info = useCulture ? CultureInfo.CurrentCulture : CultureInfo.InvariantCulture;
if (val == null)
{
return(0);
}
if (IsNumber(val))
{
if (val is DateTime)
{
return(new int?((int)DateTimeExtension.ToOADate((DateTime)val)));
}
if (val is TimeSpan)
{
TimeSpan span = (TimeSpan)val;
return(new int?((int)span.TotalDays));
}
try
{
return(new int?(Convert.ToInt32(val, (IFormatProvider)info)));
}
catch (InvalidCastException)
{
return(null);
}
}
if (val is string)
{
int num;
if (int.TryParse((string)(val as string), (NumberStyles)NumberStyles.Any, (IFormatProvider)info, out num))
{
return(new int?(num));
}
}
else if (IntrospectionExtensions.GetTypeInfo(val.GetType()).IsEnum)
{
return(new int?((int)((int)val)));
}
return(null);
}
double CalcItemWidth(Size availableSize)
{
double num = DateTimeExtension.ToOADate(_viewInfo.GetMinDatetime());
double num2 = DateTimeExtension.ToOADate(_viewInfo.GetMaxDatetime());
List <double> list = new List <double>();
for (int i = 0; i < CachedIndexMaping.Count; i++)
{
int num4 = CachedIndexMaping[i];
DateTime?nullable = CachedDatetimes[num4];
if ((nullable.HasValue && CachedDatetimesVisible[num4]) && (nullable.Value != DateTime.MinValue))
{
double num5 = DateTimeExtension.ToOADate(nullable.Value);
list.Add(num5);
}
}
list.Sort();
if ((list.Count <= 1) || (num == num2))
{
return(((availableSize.Width - LeftSpace) - RightSpace) / 2.0);
}
double maxValue = double.MaxValue;
double num7 = 0.0;
for (int j = 1; j < list.Count; j++)
{
double num10 = list[j] - list[j - 1];
if ((num10 < maxValue) && (num10 > 0.0))
{
maxValue = num10;
}
num7 += num10;
}
double num11 = ((((availableSize.Width - LeftSpace) - RightSpace) * maxValue) / num7) / 2.0;
if (num11 < 2.0)
{
num11 = 2.0;
}
return(num11);
}
public static double ToDouble(object value, bool useCulture = true)
{
double num;
CultureInfo info = useCulture ? CultureInfo.CurrentCulture : CultureInfo.InvariantCulture;
try
{
if (value == null)
{
return(0.0);
}
if (value is double)
{
return((double)((double)value));
}
if (value is float)
{
return((double)((float)value));
}
if (value is decimal)
{
return((double)((double)((decimal)value)));
}
if (value is long)
{
return((double)((long)value));
}
if (value is int)
{
return((double)((int)value));
}
if (value is short)
{
return((double)((short)value));
}
if (value is sbyte)
{
return((double)((sbyte)value));
}
if (value is ulong)
{
return((double)((ulong)value));
}
if (value is uint)
{
return((double)((uint)value));
}
if (value is ushort)
{
return((double)((ushort)value));
}
if (value is byte)
{
return((double)((byte)value));
}
if (value is bool)
{
return(((bool)value) ? 1.0 : 0.0);
}
if (value is string)
{
return(double.Parse((string)((string)value), (NumberStyles)NumberStyles.Any, (IFormatProvider)info));
}
if (value is DateTime)
{
return(DateTimeExtension.ToOADate((DateTime)value));
}
if (value is TimeSpan)
{
TimeSpan span = (TimeSpan)value;
return(span.TotalDays);
}
num = Convert.ToDouble(value, (IFormatProvider)info);
}
catch
{
throw new InvalidCastException();
}
return(num);
}
public static TimeSpan ToTimeSpan(object value, bool useCulture = true)
{
TimeSpan span;
CultureInfo info = useCulture ? CultureInfo.CurrentCulture : CultureInfo.InvariantCulture;
try
{
if (value == null)
{
return(TimeSpan.FromDays(0.0));
}
if (value is double)
{
return(TimeSpan.FromDays((double)((double)value)));
}
if (value is float)
{
return(TimeSpan.FromDays((double)((float)value)));
}
if (value is decimal)
{
return(TimeSpan.FromDays((double)((double)((decimal)value))));
}
if (value is long)
{
return(TimeSpan.FromDays((double)((long)value)));
}
if (value is int)
{
return(TimeSpan.FromDays((double)((int)value)));
}
if (value is short)
{
return(TimeSpan.FromDays((double)((short)value)));
}
if (value is sbyte)
{
return(TimeSpan.FromDays((double)((sbyte)value)));
}
if (value is ulong)
{
return(TimeSpan.FromDays((double)((ulong)value)));
}
if (value is uint)
{
return(TimeSpan.FromDays((double)((uint)value)));
}
if (value is ushort)
{
return(TimeSpan.FromDays((double)((ushort)value)));
}
if (value is byte)
{
return(TimeSpan.FromDays((double)((byte)value)));
}
if (value is bool)
{
return(TimeSpan.FromDays(((bool)value) ? 1.0 : 0.0));
}
if (value is string)
{
return(TimeSpan.Parse((string)((string)value), (IFormatProvider)info));
}
if (value is DateTime)
{
return(TimeSpan.FromDays(DateTimeExtension.ToOADate((DateTime)value)));
}
if (!(value is TimeSpan))
{
throw new InvalidCastException();
}
span = (TimeSpan)value;
}
catch
{
throw new InvalidCastException();
}
return(span);
}
