DateTime.IConvertible.ToSingle(IFormatProvider) DateTime.IConvertible.ToSingle(IFormatProvider) DateTime.IConvertible.ToSingle(IFormatProvider) Method

定义

不支持此转换。This conversion is not supported. 尝试使用此方法将引发 InvalidCastExceptionAttempting to use this method throws an InvalidCastException.

 virtual float System.IConvertible.ToSingle(IFormatProvider ^ provider) = IConvertible::ToSingle;
float IConvertible.ToSingle (IFormatProvider provider);
Function ToSingle (provider As IFormatProvider) As Single Implements IConvertible.ToSingle

参数

provider
IFormatProvider IFormatProvider 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

未使用此成员的返回值。The return value for this member is not used.

实现

异常

适用于