if {[catch {package present Tcl 8.6.0}]} return if {($::tcl_platform(platform) eq "unix") && ([info exists ::env(DISPLAY)] || ([info exists ::argv] && ("-display" in $::argv)))} { package ifneeded Tk 8.6.11 [list load [file normalize [file join $dir .. .. bin libtk8.6.dll]] Tk] } else { package ifneeded Tk 8.6.11 [list load [file normalize [file join $dir .. .. bin tk86.dll]] Tk] }