BorderStyle
Type
TBorderStyle
Description
Specifies the appearance and behavior of the form border.
The following values are available:
bsDialog - not resizable; no minimize/maximize menu
bsNone - not resizable; no visible border line
bsSingle - not resizable; minimize/maximize menu
bsSizeable - standard resizable border
bsSizeToolWin - like bsSizeable with a smaller caption
bsToolWindow - like bsSingle but with a smaller caption
Example
Form1.BorderStyle := bsDialog;