public ComPtrPropertyDescriptor(ref ComPtrProperty comPtrProperty, ComPropertyInfo comPropertyInfo, Attribute[] attrs)
: base(comPtrProperty.Name, attrs)
{
_comPtrProperty = comPtrProperty;
_comPropertyInfo = comPropertyInfo;
}
public PropertyDescriptorCollection GetProperties(Attribute[] attributes)
{
if (_propertyDescriptorCollection == null)
{
_propertyDescriptorCollection = new PropertyDescriptorCollection(new PropertyDescriptor[] { }, true);
ComTypeInfo comTypeInfo = TryGetComTypeInfo();
if (comTypeInfo != null)
{
List <ComPtrPropertyDescriptor> list = new List <ComPtrPropertyDescriptor>();
foreach (ComPropertyInfo comPropertyInfo in comTypeInfo.GetProperties(true))
{
ComFunctionInfo getComFunctionInfo = comPropertyInfo.GetFunction;
bool bReadOnly = comPropertyInfo.SetFunction == null ? true : false;
if (getComFunctionInfo != null)
{
VarEnum variantType = getComFunctionInfo.ReturnParameter.VariantType;
switch (variantType)
{
case VarEnum.VT_PTR:
case VarEnum.VT_DISPATCH:
case VarEnum.VT_UNKNOWN:
continue;
case VarEnum.VT_SAFEARRAY:
continue;
}
// Special case. MailSession is a PITA property that causes modal dialog.
if (comPropertyInfo.Name.Equals("MailSession"))
{
ComPtrProperty comPtrProperty = new ComPtrProperty(comPropertyInfo.Name, comPropertyInfo.Description, 0, typeof(int), variantType, true);
list.Add(new ComPtrPropertyDescriptor(ref comPtrProperty, comPropertyInfo, attributes));
continue;
}
object value = null;
if (MarshalEx.Succeeded(TryInvokePropertyGet(getComFunctionInfo.DispId, out value)))
{
Type propertyType = typeof(object);
if (value != null)
{
propertyType = value.GetType();
}
else
{
bReadOnly = true;
}
ComPtrProperty comPtrProperty = new ComPtrProperty(comPropertyInfo.Name, comPropertyInfo.Description, value, propertyType, variantType, bReadOnly);
list.Add(new ComPtrPropertyDescriptor(ref comPtrProperty, comPropertyInfo, attributes));
}
}
}
#if DEBUG
var refCountProperty = new ComPtrProperty("[RefCount]", "", this.RefCount, typeof(int), VarEnum.VT_I4, true);
list.Add(new ComPtrPropertyDescriptor(ref refCountProperty, null, attributes));
#endif
var pointerProperty = new ComPtrProperty("[Pointer]", "", this.handle, typeof(string), VarEnum.VT_INT, true);
list.Add(new ComPtrPropertyDescriptor(ref pointerProperty, null, attributes));
_propertyDescriptorCollection = new PropertyDescriptorCollection(list.ToArray());
}
}
return(_propertyDescriptorCollection);
}