Setting tab stops in a Windows Forms TextBox control
The Windows Forms `TextBox` control doesn't offer an out of the box method for setting tabstops within the control, this article describes how to achieve this via p/invoke.
I recently had a requirement where a user was able to perform an action externally to my application, and my application then had to detect this for processing. I could of course just had a poller running away in the background to check, but as the requirement also needed user input, why not just wait until the user switched back to my application, then check and deal with accordingly? This article describes how to intercept the `WM_ACTIVATEAPP` message from your C# application and put it to good use.
An article which describes a robust yet simple way to have custom text when using the `LabelEdit` functionality of a `TreeView` and working around the limitations of Windows Forms using C# along with the `TVM_GETEDITCONTROL` and `WM_SETTEXT` messages.