DBNull.IConvertible.ToDouble(IFormatProvider) Method
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This conversion is not supported. Attempting to make this conversion 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 -> double
Function ToDouble (provider As IFormatProvider) As Double Implements IConvertible.ToDouble
- provider
- IFormatProvider
An object that implements the IFormatProvider interface. (This parameter is not used; specify null
.)
None. The return value for this member is not used.
This conversion is not supported for the DBNull type.
Produit | Versions |
---|---|
.NET | Core 2.0, Core 2.1, Core 2.2, Core 3.0, Core 3.1, 5, 6, 7, 8, 9 |
.NET Framework | 1.1, 2.0, 3.0, 3.5, 4.0, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, 4.8.1 |
.NET Standard | 2.0, 2.1 |
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