VB 2017 Controls Locked and Properties Greyed Out

Question

Grey boxes appear in the top left corner of all form controls. All control properties are greyed out. All controls and properties are uneditable. Does anyone know how to fix this?

Answer 1

Usually a form inherits System.Windows.Form class, but it seems that your form is derived from another form (that contains the shown controls). It is not clear if this was done purposely.

You can back-up your files and try fixing the *.Designer.vb files manually. Show the beginning of this file, which contains the Inherits statement.

Answer 2

My mistake. This is indeed the derived form, not the source form.