To short. Doesn't explain.

Nothing here, or even elsewhere, explains what an HWnd exactly is, how it's behaves, what changes it or not and so on. The only thing I know here is that it's a pointer, but a pointer to what, then? Somewhere this should be explained.

---
#### Document Details

⚠ *Do not edit this section. It is required for docs.microsoft.com ➟ GitHub issue linking.*

* ID: a2a8da82-ee25-0692-0974-eb0fd406dcfd
* Version Independent ID: 38e6ac5b-bf63-64a4-11ce-ae817e554955
* Content: [Message.HWnd Property (System.Windows.Forms)](https://docs.microsoft.com/en-us/dotnet/api/system.windows.forms.message.hwnd?view=netframework-4.7.2)
* Content Source: [xml/System.Windows.Forms/Message.xml](https://github.com/dotnet/dotnet-api-docs/blob/master/xml/System.Windows.Forms/Message.xml)
* Product: **dotnet-api**
* GitHub Login: @dotnet-bot
* Microsoft Alias: **dotnetcontent**