System.Convert.Convert.ToInt64 C# (CSharp) Method

		public static long ToInt64 (float value) 
		{ 
			if (value > Int64.MaxValue || value < Int64.MinValue) 
				throw new OverflowException (Locale.GetText (
					"Value is greater than Int64.MaxValue or less than Int64.MinValue"));
	  
			// Returned Even-Rounded, pass to Math as a double, could
			// just call Convert.ToInt64 ( (double)value);
			return (long)(Math.Round ( (double)value));
		}