Object - ToUInt64OrDefault
An object extension method that converts this object to an u int 64 or default.
public static void Main() { object val1 = 123; object val2 = "10986423210"; object thisNull = null; object thisInvalid = "A100"; string format = "{0, -20} {1, -15}"; Console.WriteLine(format, "Object", "ToUInt64OrDefault"); Console.WriteLine(format, "------", "-----------------"); // C# Extension Method: Object - ToUInt64OrDefault Console.WriteLine(format, val1, val1.ToUInt64OrDefault()); Console.WriteLine(format, val2, val2.ToUInt64OrDefault()); Console.WriteLine(format, "null", thisNull.ToUInt64OrDefault()); Console.WriteLine(format, thisInvalid, thisInvalid.ToUInt64OrDefault()); Console.WriteLine(format, thisInvalid, thisInvalid.ToUInt64OrDefault(1)); Console.WriteLine(format, thisInvalid, thisInvalid.ToUInt64OrDefault(() => 2)); }
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using System; public static partial class Extensions { /// <summary> /// An object extension method that converts this object to an u int 64 or default. /// </summary> /// <param name="this">The @this to act on.</param> /// <returns>The given data converted to an ulong.</returns> public static ulong ToUInt64OrDefault(this object @this) { try { return Convert.ToUInt64(@this); } catch (Exception) { return default(ulong); } } /// <summary> /// An object extension method that converts this object to an u int 64 or default. /// </summary> /// <param name="this">The @this to act on.</param> /// <param name="defaultValue">The default value.</param> /// <returns>The given data converted to an ulong.</returns> public static ulong ToUInt64OrDefault(this object @this, ulong defaultValue) { try { return Convert.ToUInt64(@this); } catch (Exception) { return defaultValue; } } /// <summary> /// An object extension method that converts this object to an u int 64 or default. /// </summary> /// <param name="this">The @this to act on.</param> /// <param name="defaultValue">The default value.</param> /// <param name="useDefaultIfNull">true to use default if null.</param> /// <returns>The given data converted to an ulong.</returns> public static ulong ToUInt64OrDefault(this object @this, ulong defaultValue, bool useDefaultIfNull) { if (useDefaultIfNull && @this == null) { return defaultValue; } try { return Convert.ToUInt64(@this); } catch (Exception) { return defaultValue; } } /// <summary> /// An object extension method that converts this object to an u int 64 or default. /// </summary> /// <param name="this">The @this to act on.</param> /// <param name="defaultValueFactory">The default value factory.</param> /// <returns>The given data converted to an ulong.</returns> public static ulong ToUInt64OrDefault(this object @this, Func<ulong> defaultValueFactory) { try { return Convert.ToUInt64(@this); } catch (Exception) { return defaultValueFactory(); } } /// <summary> /// An object extension method that converts this object to an u int 64 or default. /// </summary> /// <param name="this">The @this to act on.</param> /// <param name="defaultValueFactory">The default value factory.</param> /// <param name="useDefaultIfNull">true to use default if null.</param> /// <returns>The given data converted to an ulong.</returns> public static ulong ToUInt64OrDefault(this object @this, Func<ulong> defaultValueFactory, bool useDefaultIfNull) { if (useDefaultIfNull && @this == null) { return defaultValueFactory(); } try { return Convert.ToUInt64(@this); } catch (Exception) { return defaultValueFactory(); } } }