Char.IConvertible.ToDouble(IFormatProvider) 方法
定義
注意：不支援這項轉換。Note This conversion is not supported. 嘗試這麼做會擲回 InvalidCastException。Attempting to do so throws an InvalidCastException.
virtual double System.IConvertible.ToDouble(IFormatProvider ^ provider) = IConvertible::ToDouble;double IConvertible.ToDouble (IFormatProvider provider);abstract member System.IConvertible.ToDouble : IFormatProvider -> double
override this.System.IConvertible.ToDouble : IFormatProvider -> doubleFunction ToDouble (provider As IFormatProvider) As Double Implements IConvertible.ToDouble參數
- provider
- IFormatProvider
這個參數已忽略。This parameter is ignored.
傳回
沒有傳回值。No value is returned.
實作
例外狀況
不支援此轉換。This conversion is not supported.