private static string BuildMessage(PropertyChangeEventArgs propertyChangeEventArgs, Type requiredType)
{
StringBuilder message = new StringBuilder();
message.Append("Cannot convert property value of type [");
if (propertyChangeEventArgs != null && propertyChangeEventArgs.NewValue != null)
{
message.Append(propertyChangeEventArgs.NewValue.GetType().FullName);
}
else
{
message.Append("null");
}
message.Append("] to required type [");
if (requiredType != null)
{
message.Append(requiredType.FullName);
}
else
{
message.Append("null");
}
message.Append("] for property '");
if (propertyChangeEventArgs != null && propertyChangeEventArgs.PropertyName != null)
{
message.Append(propertyChangeEventArgs.PropertyName);
}
message.Append("'.");
return(message.ToString());
}
/// <summary>
/// Constructor to use when an exception results from a
/// <see cref="System.ComponentModel.PropertyChangedEventArgs"/>.
/// </summary>
/// <param name="ex">
/// The <see cref="System.Exception"/> raised by the invoked property.
/// </param>
/// <param name="argument">
/// The <see cref="System.ComponentModel.PropertyChangedEventArgs"/> that
/// resulted in an exception.
/// </param>
public MethodInvocationException(Exception ex, PropertyChangeEventArgs argument) :
base("Property '" + argument.PropertyName + "' threw exception.", argument, ex)
{
}
/// <summary>
/// Create a new instance of the PropertyAccessException class.
/// </summary>
/// <param name="message">
/// A message about the exception.
/// </param>
/// <param name="propertyChangeEvent">Describes the change attempted on the property.</param>
protected PropertyAccessException(string message, PropertyChangeEventArgs propertyChangeEvent) : base(message)
{
_propertyChangeEventArgs = propertyChangeEvent;
}
/// <summary>
/// Creates a new instance of the PropertyAccessExceptionsException class.
/// </summary>
/// <param name="info">
/// The <see cref="System.Runtime.Serialization.SerializationInfo"/>
/// that holds the serialized object data about the exception being thrown.
/// </param>
/// <param name="context">
/// The <see cref="System.Runtime.Serialization.StreamingContext"/>
/// that contains contextual information about the source or destination.
/// </param>
protected PropertyAccessException(
SerializationInfo info, StreamingContext context)
: base(info, context)
{
_propertyChangeEventArgs = info.GetValue("PropertyChangeArgs", typeof(object)) as PropertyChangeEventArgs;
}
/// <summary>
/// Creates a new instance of the TypeMismatchException class describing the
/// property and required type that could not used to set a property on the target object.
/// </summary>
/// <param name="propertyChangeEventArgs">
/// The description of the property that was to be changed.
/// </param>
/// <param name="requiredType">The target conversion type.</param>
public TypeMismatchException(
PropertyChangeEventArgs propertyChangeEventArgs, Type requiredType) :
base(BuildMessage(propertyChangeEventArgs, requiredType), propertyChangeEventArgs)
{
}
