DBNull.IConvertible.ToByte(IFormatProvider) 方法
定义
不支持此转换。This conversion is not supported. 如果尝试执行此转换,便会引发 InvalidCastException。Attempting to make this conversion throws an InvalidCastException.
virtual System::Byte System.IConvertible.ToByte(IFormatProvider ^ provider) = IConvertible::ToByte;
byte IConvertible.ToByte (IFormatProvider provider);
abstract member System.IConvertible.ToByte : IFormatProvider -> byte
override this.System.IConvertible.ToByte : IFormatProvider -> byte
Function ToByte (provider As IFormatProvider) As Byte Implements IConvertible.ToByte
参数
- provider
- IFormatProvider
一个实现 IFormatProvider 接口的对象。An object that implements the IFormatProvider interface. (未使用此参数;指定 null。)(This parameter is not used; specify null.)
返回
无。None. 未使用此成员的返回值。The return value for this member is not used.