Node:button, Next:checkbutton, Previous:message, Up:Widget creation

button

Calling the button command creates an instance of a button widget. An example is:

button .mybutton -text "hello" -command {puts "howdie!"}

which creates a button with name .mybutton that will display the text "hello" and will execute the Tcl script puts "howdie!" (that is print howdie! to the terminal) when clicked on.