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-rw-r--r--library/button.tcl8
1 files changed, 5 insertions, 3 deletions
diff --git a/library/button.tcl b/library/button.tcl
index b2bafb2..061069a 100644
--- a/library/button.tcl
+++ b/library/button.tcl
@@ -597,14 +597,16 @@ proc ::tk::ButtonUp w {
# w - The name of the widget.
proc ::tk::ButtonInvoke w {
- if {[$w cget -state] ne "disabled"} {
+ if {[winfo exists $w] && [$w cget -state] ne "disabled"} {
set oldRelief [$w cget -relief]
set oldState [$w cget -state]
$w configure -state active -relief sunken
update idletasks
after 100
- $w configure -state $oldState -relief $oldRelief
- uplevel #0 [list $w invoke]
+ if {[winfo exists $w]} {
+ $w configure -state $oldState -relief $oldRelief
+ uplevel #0 [list $w invoke]
+ }
}
}