UI design
All changes to UI (e.g. Form and UserControl) must be done at 100% scale factor.
If you run Windows at a different scale factor you have the following options:
- Reset Windows to 100% scale factor, or
- Run Visual Studio without scaling.
Typically Visual Studio will detects that an OS is run at a custom SF and prompts to restart:
If Visual Studio doesn't prompt to do so, you can force it yourself with /noscale:
See also: https://docs.microsoft.com/en-us/dotnet/framework/winforms/disable-dpi-awareness-visual-studio