diff options
Diffstat (limited to 'generic/tkBusy.c')
| -rw-r--r-- | generic/tkBusy.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/generic/tkBusy.c b/generic/tkBusy.c index 65248a2..b36d453 100644 --- a/generic/tkBusy.c +++ b/generic/tkBusy.c @@ -433,6 +433,10 @@ MakeTransparentWindowExist( TkpMakeTransparentWindowExist(tkwin, parent); + if (winPtr->window == None) { + return; /* Platform didn't make Window. */ + } + dispPtr = winPtr->dispPtr; hPtr = Tcl_CreateHashEntry(&dispPtr->winTable, (char *) winPtr->window, ¬Used); |