/// <returns>true if the <see cref="T:System.ComponentModel.TypeConverter.StandardValuesCollection" /> returned from <see cref="M:System.ComponentModel.TypeConverter.GetStandardValues" /> is an exhaustive list of possible values; false if other values are possible.</returns>
/// <param name="context">An <see cref="T:System.ComponentModel.ITypeDescriptorContext" /> that provides a format context.</param>
public override bool GetStandardValuesExclusive(ITypeDescriptorContext context)
{
if (underlyingTypeConverter != null)
{
return(underlyingTypeConverter.GetStandardValuesExclusive(context));
}
return(base.GetStandardValuesExclusive(context));
}
private void OnLoadingTypeConverter()
{
StandardValues = null;
StandardValuesExclusive = false;
//Populate properties using TypeConverter
if (m_TypeConverter != null)
{
StandardValues = m_TypeConverter.GetStandardValues();
if (StandardValues != null && StandardValues.Count > 0)
{
StandardValuesExclusive = m_TypeConverter.GetStandardValuesExclusive();
}
else
{
StandardValuesExclusive = false;
}
}
}
/// <summary>
/// Initializes a new instance of the <see cref="ValidatorTypeConverter"/> class.
/// </summary>
/// <param name="type">Can not be null.</param>
/// <param name="typeConverter">Can be null to don't allow any conversion.</param>
public ValidatorTypeConverter(Type type, TypeConverter typeConverter)
: base(type)
{
this.typeConverter = typeConverter;
// Populate properties using TypeConverter
if (typeConverter != null)
{
StandardValues = typeConverter.GetStandardValues();
if (StandardValues != null && StandardValues.Count > 0)
{
StandardValuesExclusive = typeConverter.GetStandardValuesExclusive();
}
else
{
StandardValuesExclusive = false;
}
}
}
/// <summary>
/// Creates a new drop-down control to display the given TypeConverter
/// </summary>
/// <param name="typeConverter">The TypeConverter instance to retrieve drop-down values from</param>
/// <param name="propertyDescriptor">Property descriptor used to get/set values in the drop-down.</param>
/// <param name="instance">Instance object used to get/set values in the drop-down.</param>
protected internal TypeEditorHostListBox(TypeConverter typeConverter, PropertyDescriptor propertyDescriptor, object instance)
:
this(
typeConverter, propertyDescriptor, instance,
(typeConverter != null && typeConverter.GetStandardValuesExclusive())
? TypeEditorHostEditControlStyle.ReadOnlyEdit
: TypeEditorHostEditControlStyle.Editable)
{
}
public void CheckStandardValuesExclusive(bool expect, TypeConverter conv) {
bool result;
result = conv.GetStandardValuesExclusive(null);
if (result != expect) {
failed++;
if (verbose > 0) {
Console.WriteLine("{0}: GetStandardValuesExclusive expected {1}, returned {2}", conv.ToString(), expect, result);
}
}
}
/// <summary>
/// Returns whether the collection of standard values returned from <see cref="M:System.ComponentModel.TypeConverter.GetStandardValues"></see> is an exclusive list of possible values, using the specified context.
/// </summary>
/// <param name="context">An <see cref="T:System.ComponentModel.ITypeDescriptorContext"></see> that provides a format context.</param>
/// <returns>
/// true if the <see cref="T:System.ComponentModel.TypeConverter.StandardValuesCollection"></see> returned from <see cref="M:System.ComponentModel.TypeConverter.GetStandardValues"></see> is an exhaustive list of possible values; false if other values are possible.
/// </returns>
public override bool GetStandardValuesExclusive(System.ComponentModel.ITypeDescriptorContext context)
{
return(baseTypeConverter.GetStandardValuesExclusive(context));
}