Prevent users from resizing the window/form size

Question

User can change form size. I do not find a property of form that do not allow user to change form size.

Answer 1

Change FormBorderStyle to FixedDialog, FixedSingle, or Fixed3D. Also, if you do not want them to maximize the form set Maximize to False.

Answer 2

Set the FormBorderStyle to another value like FixedSingle or FixedDialog.