How to maximize the fast report at run time in firemonkey application?
Try WindowState := wsMaximized;.
Represents how the form appears on the screen. Set WindowState to minimize, maximize, or restore the form window. Read WindowState to determine whether the form is minimized, maximized, or in a normal state. Possible values for the WindowState property are:
- wsMaximized
- wsMinimized
- wsNormal
See also Minimize form in Firemonkey application.