NullableBoolConverter.ConvertFrom Method (ITypeDescriptorContext, CultureInfo, Object)
[ This article is for Windows Phone 8 developers. If you’re developing for Windows 10, see the latest documentation. ]
Converts the specified object to a Nullable<T> type (using the Boolean type constraint on the generic).
Assembly: System.Windows (in System.Windows.dll)
public override Object ConvertFrom( ITypeDescriptorContext context, CultureInfo culture, Object value )
Parameters
- context
- Type: System.ComponentModel.ITypeDescriptorContext
An ITypeDescriptorContext that provides a format context.
- culture
- Type: System.Globalization.CultureInfo
The CultureInfo to use as the current culture.
- value
- Type: System.Object
The object to convert to a Nullable<T> type (using the Boolean type constraint on the generic).
Return Value
Type: System.ObjectA Nullable<T> type (using the Boolean type constraint on the generic) that represents the converted object.
| Exception | Condition |
|---|---|
| NotSupportedException | The conversion attempt failed. value is not a String, Boolean, or Nullable<T> (using the Boolean type constraint on the generic) type. |
The NullableBoolConverter performs conversions between strings and Boolean types or Nullable<T> types (using the Boolean type constraint on the generic). Any other conversion attempts will cause an exception.