DocDeclStr(
virtual bool , Update(int value, const wxString& newmsg = wxPyEmptyString),
"Updates the dialog, setting the progress bar to the new value and, if
-given changes the message above it. Returns true unless the Cancel
-button has been pressed.
+given changes the message above it. The value given should be less
+than or equal to the maximum value given to the constructor and the
+dialog is closed if it is equal to the maximum. Returns true unless
+the Cancel button has been pressed.
If false is returned, the application can either immediately destroy
the dialog or ask the user for the confirmation and if the abort is