balloonhelp
itk_component add new_tb {
Toolbutton $itk_interior.tbf.toolbar.ntb \
-image ::img::file16x16 \
-command [code $this newSession] \
-balloonhelp "New session"
}
itk_component add new_tb {
Toolbutton $itk_interior.tbf.toolbar.ntb \
-image ::img::file16x16 \
-command [code $this newSession] \
-balloonhelp "New session"
}