This command is the inverse of the winfo atom command. Generates an error if no such atom exists. Top-level windows are returned as children of their logical parents. If no window in this application contains the point then an empty string is returned. In selecting the containing window, children are given higher priority than parents and among siblings the highest one in the stacking order is chosen.
All dimensions are in pixels.
If you need the true height immediately after creating a widget, invoke update to force the geometry manager to arrange it, or use winfo reqheight to get the window's requested height instead of its actual height. The command winfo name . Returns the path name of the window whose X identifier is id . Id must be a decimal, hexadecimal, or octal integer and must correspond to a window in the invoking application. This is the value used by window 's geometry manager to compute its geometry.