code: def GetAttributeValue(self, textAttributeId: int) -> ctypes.POINTER(comtypes.IUnknown):
          
          return self.textRange.GetAttributeValue(textAttributeId)
docs: Call IUIAutomationTextRange::GetAttributeValue.
          textAttributeId: int, a value in class `TextAttributeId`.
          Return `ctypes.POINTER(comtypes.IUnknown)` or None, the value of the specified text attribute across the entire text range, todo.
          Refer https://docs.microsoft.com/en-us/windows/desktop/api/uiautomationclient/nf-uiautomationclient-iuiautomationtextrange-getattributevalue