diff options
| -rw-r--r-- | library/button.tcl | 8 |
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] + } } } |