An application programmer controls the way <#3046#><TT>transient-shell</TT><#3046#>, <#3047#><TT>top-level-shell</TT><#3047#>, and <#3048#><TT>top-level-session</TT><#3048#> objects interact with the
window manager and the session manager by using accessors defined by
these classes to change slot values. In general the effect of using
such an accessor is to send a <#3049#><TT>:change-property</TT><#3049#> request which modifies one
of the standard window properties used for interclient