The Toplevel Widget (Perl in a Nutshell, 2nd Edition)

21.18.1. Toplevel Methods

In addition to cget and configure, the following methods are supported by the Toplevel widget. Note that since the MainWindow is a Toplevel widget, each of these methods applies to the MainWindow as well.

aspect: Returns the constraints to the aspect of the window. The four-item list returned corresponds to the minimum width, the minimum height, the maximum width, and the maximum height.
client: Assigns a name to the toplevel window.
colormapwindows: For the X Window System, passes a list of windows to the window manager that have private colormaps. Controls the WM_COLORMAP_WINDOWS property.
command: For the X Window System, returns the command used to start the application.
deiconify: Displays an iconified window.
focusmodel: Gives up the keyboard focus to another window.
frame: Returns the ID of the parent widget as a hexadecimal string.
geometry: For the X Window System, gets the geometry of the Toplevel widget.
grid: Changes the size of the Toplevel's grid.
group: Makes the widget the group leader of a set of related windows.
iconbitmap: Identifies a bitmap to use as an icon when the window is iconified.
iconify: Iconifies the window.
iconmask: Specifies a mask for the icon bitmap.
iconname: Assigns text to be associated with the icon.
iconposition: Specifies a position for the icon on the desktop.
iconwindow: Specifies a widget to use in place of an icon when iconified.
maxsize: Specifies the largest size for the window.
minsize: Specifies the smallest size for the window.
overrideredirect: Removes window decorations from the window.
positionfrom: Returns either program or user to tell you whether the user or window manager requested its current position.
protocol: Given one of the window managers WM_DELETE_WINDOW, WM_SAVE_YOURSELF, or WM_TAKE_FOCUS, allows you to define a callback to execute when an associated event is detected.
resizable: Takes Boolean values representing whether the window can be resized in width and height, respectively.
sizefrom: Returns either program or user to tell you whether the user or window manager requested its current size.
state: Returns normal, iconic, or withdrawn, indicating the current state of the window.
title: Changes the title at the top of the window.
transient: Indicates to the window manager that the window is transient.
withdraw: Makes the window nonvisible.


21.17. The Frame Widget		X. Win32

21.18. The Toplevel Widget

21.18.1. Toplevel Methods