public static DependencyProperty Register <T>(
Expression <Func <TOwner, T> > propertyLamba,
CastedPropertyChangedCallback propertyChangedCallback,
CastedCoerceValueCallback <T>?coerceValueCallback = null,
CastedValidateValueCallback <T>?validateValueCallback = null)
{
return(Register(
propertyLamba,
CreatePropertyMetadata(propertyChangedCallback, coerceValueCallback),
validateValueCallback));
}
public static DependencyPropertyKey RegisterReadOnly <T>(
Expression <Func <TOwner, T> > propertyLamba,
T defaultValue,
CastedPropertyChangedCallback?propertyChangedCallback = null,
CastedCoerceValueCallback <T>?coerceValueCallback = null,
CastedValidateValueCallback <T>?validateValueCallback = null)
{
return(RegisterReadOnly(
propertyLamba,
CreatePropertyMetadata(defaultValue, propertyChangedCallback, coerceValueCallback),
validateValueCallback));
}
public static DependencyProperty Register <T>(
Expression <Func <TOwner, T> > propertyLamba,
T defaultValue,
FrameworkPropertyMetadataOptions flags,
CastedPropertyChangedCallback?propertyChangedCallback = null,
CastedCoerceValueCallback <T>?coerceValueCallback = null,
bool isAnimationProhibited = false,
UpdateSourceTrigger?defaultUpdateSourceTrigger = null,
CastedValidateValueCallback <T>?validateValueCallback = null)
{
return(Register(
propertyLamba,
CreateFrameworkPropertyMetadata(
defaultValue,
flags,
propertyChangedCallback,
coerceValueCallback,
isAnimationProhibited,
defaultUpdateSourceTrigger),
validateValueCallback));
}
/// <summary>
/// Converts a <see cref="CastedValidateValueCallback{T}"/> to a <see cref="ValidateValueCallback"/>.
/// </summary>
/// <typeparam name="T">The value type.</typeparam>
/// <param name="callback">The callback.</param>
/// <returns>a <see cref="ValidateValueCallback"/> or <c>null</c> if the input is null.</returns>
public static ValidateValueCallback DownCast <T>(CastedValidateValueCallback <T> callback)
{
return((callback == null) ? null : new ValidateValueCallback((value) => callback((T)value)));
}
/// <summary>
/// Registers a dependency with the dependency property system for the <see cref="TOwnerObject" /> based on the property passed in.
/// </summary>
/// <typeparam name="TProperty">The property type (inferred from the lambda).</typeparam>
/// <param name="propertyLambda">The property indicator lambda.</param>
/// <param name="defaultValue">The default value.</param>
/// <param name="propChanged">The property changed handler.</param>
/// <param name="coerceValue">The coerce value handler.</param>
/// <param name="validateValue">The validate value handler.</param>
/// <returns>The <see cref="DependencyProperty" /> that was created and registered with the system.</returns>
public static DependencyProperty RegisterFP <TProperty>(Expression <Func <TOwnerObject, TProperty> > propertyLambda, TProperty defaultValue, CastedPropertyChangedCallback <TProperty> propChanged, CastedCoerceValueCallback <TProperty> coerceValue, CastedValidateValueCallback <TProperty> validateValue, FrameworkPropertyMetadataOptions options = FrameworkPropertyMetadataOptions.None)
{
var expression = propertyLambda?.Body as MemberExpression;
ValidatePropertyExpression(expression);
return(DependencyProperty.Register(
expression.Member.Name,
typeof(TProperty),
typeof(TOwnerObject),
new FrameworkPropertyMetadata(defaultValue, options, DownCast(propChanged), DownCast(coerceValue)), DownCast(validateValue)
));
}
public static DependencyPropertyKey RegisterReadOnly <T>(Expression <Func <TOwner, T> > propertyLamba, PropertyMetadata typeMetadata, CastedValidateValueCallback <T>?validateValueCallback)
{
return(DependencyProperty.RegisterReadOnly(GetPropertyName(propertyLamba), typeof(T), OwnerType, typeMetadata, DownCast(validateValueCallback)));
}
public static ValidateValueCallback?DownCast <T>(CastedValidateValueCallback <T>?callback)
{
return((callback != null) ? new ValidateValueCallback(value => callback((T)value)) : null);
}
