public override bool Equals(object other)
{
if (other is WMIPropertyDescriptor)
{
WMIPropertyDescriptor descriptor = (WMIPropertyDescriptor)other;
return((descriptor.propName == propName) &&
(descriptor.mgmtObj.Path.Path == mgmtObj.Path.Path));
}
return(false);
}
/// <summary>
/// Retrieves an array of properties that the given component instance
/// provides. This may differ from the set of properties the class
/// provides. If the component is sited, the site may add or remove
/// additional properties.
/// </summary>
/// <returns>
/// an array of properties this component surfaces.
/// </returns>
PropertyDescriptorCollection ICustomTypeDescriptor.GetProperties()
{
PropertyCollection props = mgmtObj.Properties;
PropertyCollection.PropertyEnumerator eProps = props.GetEnumerator();
PropertyDescriptor[] propDescrArray = new PropertyDescriptor[props.Count + NUM_OF_SYSTEM_PROPS];
if (propDescrArray.Length != 0)
{
int counter = 0;
while (eProps.MoveNext())
{
Property curProp = eProps.Current;
if (GENUS == 2)
{
//get the property on the class object: to get to "Values" qualifier
curProp = mgmtClassObj.Properties[curProp.Name];
}
/*
* if (WmiHelper.IsValueMap(curProp))
* {
* //MessageBox.Show("Value map property " + ((ISWbemProperty)eProps.Current).Name);
* propDescrArray[counter++] = new WMIEnumPropertyDescriptor(mgmtObj,
* mgmtClassObj,
* mgmtObj,
* mgmtClassObj,
* curProp.Name,
* !IsNewInstance);
*
* }
* else
*/
{
propDescrArray[counter++] = new WMIPropertyDescriptor(mgmtObj,
mgmtClassObj,
curProp.Name,
!IsNewInstance);
}
}
//add system properties
IDictionaryEnumerator enumSys = (IDictionaryEnumerator)((IEnumerable)SystemPropertyDictionary).GetEnumerator();
while (enumSys.MoveNext())
{
propDescrArray[counter++] = new WMISystemPropertyDescriptor(mgmtObj,
enumSys.Key.ToString(),
enumSys.Value);
}
}
return(new PropertyDescriptorCollection(propDescrArray));
}
/// <summary>
/// Retrieves an array of properties that the given component instance
/// provides. This may differ from the set of properties the class
/// provides. If the component is sited, the site may add or remove
/// additional properties.
/// </summary>
/// <returns>
/// an array of properties this component surfaces.
/// </returns>
PropertyDescriptorCollection ICustomTypeDescriptor.GetProperties()
{
//NOTE: this re-initializing of mgmtObj and mgmtClassObj is a workaround:
//apparently, the cached pointers that were created on a different thread
//don't work: Interop marshalling problems?
mgmtObj = null;
mgmtObj = new ManagementObject(wmiObj.Path_.Path);
mgmtClassObj = null;
mgmtClassObj = new ManagementObject(wmiClassObj.Path_.Path);
ISWbemPropertySet props = (ISWbemPropertySet)wmiObj.Properties_;
IEnumerator eProps = ((IEnumerable)props).GetEnumerator();
PropertyDescriptor[] propDescrArray = new PropertyDescriptor[((ISWbemPropertySet)props).Count + NUM_OF_SYSTEM_PROPS];
if (propDescrArray.Length != 0)
{
int counter = 0;
while (eProps.MoveNext())
{
ISWbemProperty curProp = (ISWbemProperty)eProps.Current;
if (GENUS == 2)
{
//get the property on the class object: to get to "Values" qualifier
curProp = wmiClassObj.Properties_.Item(curProp.Name, 0);
}
/*
* if (WmiHelper.IsValueMap(curProp))
* {
* //MessageBox.Show("Value map property " + ((ISWbemProperty)eProps.Current).Name);
* propDescrArray[counter++] = new WMIEnumPropertyDescriptor(mgmtObj,
* mgmtClassObj,
* wmiObj,
* wmiClassObj,
* curProp.Name,
* !IsNewInstance);
*
* }
* else
*/
{
propDescrArray[counter++] = new WMIPropertyDescriptor(mgmtObj,
mgmtClassObj,
wmiObj,
wmiClassObj,
curProp.Name,
!IsNewInstance);
}
}
//add system properties
IDictionaryEnumerator enumSys = (IDictionaryEnumerator)((IEnumerable)SystemPropertyDictionary).GetEnumerator();
while (enumSys.MoveNext())
{
propDescrArray[counter++] = new WMISystemPropertyDescriptor(wmiObj,
enumSys.Key.ToString(),
enumSys.Value);
}
}
return(new PropertyDescriptorCollection(propDescrArray));
}