DESCRIPTION.

Retourne True si le controle appelant a bien été créer, et toujours pas détruit avec la méthode tkinter.destroy ( ).

SYNTAXE.

Variable = widget.winfo_exists ( )

Variable = ⇨ variable qui recevra la valeur [ optionnel ]

widget ⇨ controle quelconque de l'interface [ OBLIGATOIRE ]

.winfo_exists ( ) ⇨ appel de la méthode [ OBLIGATOIRE ]

EXEMPLE.

import tkinter

def FNC_Donnees ( ) :

# --- RaZ de la liste des donnees du controle ---

LAB_Pointeur [ "text" ] = f"Position du ponteur : { TKI_Principal.winfo_pointerxy ( ) }"

BOX_Donnees.delete ( 0 , "end" )

# --- identification du controle --- 

kpointeurx = TKI_Principal.winfo_pointerx ( )

kpointeury = TKI_Principal.winfo_pointery ( )

kcontrole = TKI_Principal.winfo_containing ( kpointeurx , kpointeury )

BOX_Donnees.insert ( "end" , f".winfo_containing ( ) : { kcontrole }" )

if kcontrole == None : return

# --- MaJ de la liste des donnees du controle ---

BOX_Donnees.insert ( "end" , "" )

BOX_Donnees.insert ( "end" , f".winfo_id ( ) : { kcontrole.winfo_id ( ) }" )

BOX_Donnees.insert ( "end" , f".winfo_class ( ) : { kcontrole.winfo_class ( ) }" )

BOX_Donnees.insert ( "end" , f".winfo_manager ( ) : { kcontrole.winfo_manager ( ) }" )

BOX_Donnees.insert ( "end" , f".winfo_parent ( ) : { kcontrole.winfo_parent ( ) }" )

BOX_Donnees.insert ( "end" , f".winfo_pathname ( ) : { TKI_Principal.winfo_pathname ( kcontrole.winfo_id ( ) ) }" )

BOX_Donnees.insert ( "end" , f".winfo_name ( ) : { kcontrole.winfo_name ( )  }" )

BOX_Donnees.insert ( "end" , f".winfo_geometry ( ) : { kcontrole.winfo_geometry ( )  }" )

BOX_Donnees.insert ( "end" , f".winfo_widht ( ) : { kcontrole.winfo_width ( ) }" )

BOX_Donnees.insert ( "end" , f".winfo_height ( ) : { kcontrole.winfo_height ( ) }" )

BOX_Donnees.insert ( "end" , f".winfo_reqheight ( ) : { kcontrole.winfo_reqwidth ( )  }" )

BOX_Donnees.insert ( "end" , f".winfo_reqwidth ( ) : { kcontrole.winfo_reqheight ( )  }" )

BOX_Donnees.insert ( "end" , f".winfo_pointerx ( ) : { kcontrole.winfo_x ( ) }" )

BOX_Donnees.insert ( "end" , f".winfo_pointery ( ) : { kcontrole.winfo_y ( ) }" )

BOX_Donnees.insert ( "end" , f".winfo_rootx ( ) : { kcontrole.winfo_rootx ( ) }" )

BOX_Donnees.insert ( "end" , f".winfo_rooty ( ) : { kcontrole.winfo_rooty ( ) }" )

BOX_Donnees.insert ( "end" , f".winfo_viewable ( ) : { kcontrole.winfo_viewable ( ) }" )

BOX_Donnees.insert ( "end" , f".winfo_exists ( ) : { kcontrole.winfo_exists ( ) }" )

BOX_Donnees.insert ( "end" , f".winfo_ismapped ( ) : { kcontrole.winfo_ismapped ( ) }" )

def FNC_Relance ( ) :

FNC_Donnees ( ) 

TKI_Principal.after ( 100 , FNC_Relance )

TKI_Principal = tkinter.Tk ( )

BOX_Donnees = tkinter.Listbox ( TKI_Principal , height = 20 , width = 35 )

LAB_Pointeur = tkinter.Label ( TKI_Principal )

FRM_Conteneur =  tkinter.LabelFrame ( TKI_Principal , text = "controles" )

tkinter.Button ( FRM_Conteneur , relief = "sunken" ).pack ( fill = "both" )

tkinter.Entry ( FRM_Conteneur ).pack ( )

tkinter.Label ( FRM_Conteneur , text = "label" , relief = "solid" ).pack ( )

tkinter.Spinbox ( FRM_Conteneur ).pack ( )

tkinter.Scale ( FRM_Conteneur , orient = "horizontal" ).pack ( )                  

tkinter.Button ( FRM_Conteneur , relief = "ridge" , width = 7 ).pack ( )

tkinter.Button ( FRM_Conteneur , relief = "flat" , width = 12 ).pack ( )

tkinter.Button ( FRM_Conteneur , text = "Quitter" , command = TKI_Principal.destroy ).pack ( )

LAB_Pointeur.pack ( side = "top" , fill = "both" )

BOX_Donnees.pack ( side = "left" , fill = "both" )

FRM_Conteneur.pack ( side = "right" , fill = "both" )

FNC_Relance ( )

TKI_Principal.mainloop ( )