public static PropertyDescriptor GetImageListProperty(PropertyDescriptor currentComponent, ref object instance)
{
if (instance is object[]) //multiple selection is not supported by this class
{
return(null);
}
PropertyDescriptor imageListProp = null;
object parentInstance = instance;
RelatedImageListAttribute relILAttr = currentComponent.Attributes[typeof(RelatedImageListAttribute)] as RelatedImageListAttribute;
if (relILAttr != null)
{
string[] pathInfo = relILAttr.RelatedImageList.Split('.');
for (int i = 0; i < pathInfo.Length; i++)
{
if (parentInstance == null)
{
Debug.Fail("A property specified in the path is null or not yet instanciated at this time");
break;
}
PropertyDescriptor prop = TypeDescriptor.GetProperties(parentInstance)[pathInfo[i]];
if (prop == null)
{
Debug.Fail("The path specified to the property is wrong");
break;
}
if (i == pathInfo.Length - 1)
{
// we're on the last one, look if that's our guy
if (typeof(ImageList).IsAssignableFrom(prop.PropertyType))
{
instance = parentInstance;
imageListProp = prop;
break;
}
}
else
{
parentInstance = prop.GetValue(parentInstance);
}
}
}
return(imageListProp);
}
public static PropertyDescriptor GetImageListProperty(PropertyDescriptor currentComponent, ref object instance)
{
if (instance is object[])
{
return(null);
}
PropertyDescriptor descriptor = null;
object component = instance;
RelatedImageListAttribute attribute = currentComponent.Attributes[typeof(RelatedImageListAttribute)] as RelatedImageListAttribute;
if (attribute != null)
{
string[] strArray = attribute.RelatedImageList.Split(new char[] { '.' });
for (int i = 0; i < strArray.Length; i++)
{
if (component == null)
{
return(descriptor);
}
PropertyDescriptor descriptor2 = TypeDescriptor.GetProperties(component)[strArray[i]];
if (descriptor2 == null)
{
return(descriptor);
}
if (i == (strArray.Length - 1))
{
if (typeof(ImageList).IsAssignableFrom(descriptor2.PropertyType))
{
instance = component;
return(descriptor2);
}
}
else
{
component = descriptor2.GetValue(component);
}
}
}
return(descriptor);
}
