public void ClearProperty(string property)
{
PropertyProvider.CheckProperty(property);
PropertyInfo pd = _GetProperty(property);
if (pd != null)
{
_ResetProperty(pd);
}
}
public bool TrySetProperty(string property, object value)
{
PropertyProvider.CheckProperty(property);
PropertyInfo pd = _GetProperty(property);
if (pd != null && pd.GetValue(ObjectContext) != value)
{
pd.SetValue(ObjectContext, value);
return(true);
}
return(false);
}
public Type GetPropertyType(string property)
{
PropertyProvider.CheckProperty(property);
object result;
if (TryGetProperty(property, typeof(object), out result))
{
return((result == null) ? _items.GetType().GetElementType() : result.GetType());
}
return(null);
}
public bool TryGetProperty(string property, Type propertyType, out object value)
{
PropertyProvider.CheckProperty(property);
value = null;
foreach (var pp in _items)
{
if (pp.TryGetProperty(property, propertyType, out value))
{
return(true);
}
}
return(false);
}
public void SetProperty(string property, object value)
{
PropertyProvider.CheckProperty(property);
PropertyInfo pd = _GetProperty(property);
if (pd == null)
{
throw RuntimeFailure.PropertyNotFound(nameof(property), property);
}
if (pd.GetValue(ObjectContext) != value)
{
pd.SetValue(ObjectContext, value);
}
}
public bool TryGetProperty(string property, Type propertyType, out object value)
{
PropertyProvider.CheckProperty(property);
value = null;
int index;
if (!int.TryParse(property, out index) || index < 0 || index >= _items.Length)
{
return(false);
}
value = _items[index];
return(value == null || propertyType.GetTypeInfo().IsInstanceOfType(value));
}
public Type GetPropertyType(string property)
{
PropertyProvider.CheckProperty(property);
PropertyInfo descriptor = _GetProperty(property);
if (descriptor == null)
{
return(null);
}
else
{
return(descriptor.PropertyType);
}
}
public bool TryGetProperty(string property, Type propertyType, out object value)
{
PropertyProvider.CheckProperty(property);
value = null;
if (!property.Contains(':'))
{
return(false);
}
string[] items = property.Split(new [] { ':' }, 2);
string prefix = items[0];
string myProp = items[1];
var pp = _items.GetValueOrDefault(prefix) ?? PropertyProvider.Null;
return(pp.TryGetProperty(myProp, propertyType, out value));
}
public bool TryGetProperty(string property, Type propertyType, out object value)
{
PropertyProvider.CheckProperty(property);
value = null;
try {
value = _indexer.GetValue(_objectContext, new object[] { property });
} catch (TargetInvocationException ex) {
if (ex.InnerException is KeyNotFoundException ||
ex.InnerException is ArgumentException)
{
return(false);
}
throw;
}
return(true);
}
public bool TryGetProperty(string property, Type requiredType, out object value)
{
PropertyProvider.CheckProperty(property);
PropertyInfo pd = _GetProperty(property);
requiredType = requiredType ?? typeof(object);
value = null;
if (pd != null && TryGetValue(pd, out object tempValue))
{
if (tempValue == null)
{
return(true);
}
return(TryCoerceValue(pd, tempValue, requiredType, out value) &&
requiredType.IsInstanceOfType(value));
}
return(false);
}
public bool TrySetProperty(string property, object value)
{
PropertyProvider.CheckProperty(property);
return(false);
}
Type IPropertyProvider.GetPropertyType(string property)
{
PropertyProvider.CheckProperty(property);
return(null);
}
void IProperties.SetProperty(string property, object value)
{
PropertyProvider.CheckProperty(property);
}
void IProperties.ClearProperty(string property)
{
PropertyProvider.CheckProperty(property);
}
public Type GetPropertyType(string property)
{
PropertyProvider.CheckProperty(property);
return(_indexer.PropertyType);
}
