mingw/lib/tk8.5/demos/dialog2.tcl

   1 # dialog2.tcl --
   2 #
   3 # This demonstration script creates a dialog box with a global grab.
   4
   5 after idle {
   6     .dialog2.msg configure -wraplength 4i
   7 }
   8 after 100 {
   9     grab -global .dialog2
  10 }
  11 set i [tk_dialog .dialog2 "Dialog with global grab" {This dialog box uses a global grab, so it prevents you from interacting with anything on your display until you invoke one of the buttons below.  Global grabs are almost always a bad idea; don't use them unless you're truly desperate.} warning 0 OK Cancel {Show Code}]
  12
  13 switch $i {
  14     0 {puts "You pressed OK"}
  15     1 {puts "You pressed Cancel"}
  16     2 {showCode .dialog2}
  17 }