Temporarily freezes a window such that it won’t receive expose
events. The window will begin receiving expose events again when
Window.thawUpdates is called. If Window.freezeUpdates
has been called more than once, Window.thawUpdates must be called
an equal number of times to begin processing exposes.
Temporarily freezes a window such that it won’t receive expose events. The window will begin receiving expose events again when Window.thawUpdates is called. If Window.freezeUpdates has been called more than once, Window.thawUpdates must be called an equal number of times to begin processing exposes.