close all graphs without saving

Use a user-define function.

Function KillAllGraphs()
    string fulllist = WinList("*", ";","WIN:1")
    string name, cmd
    variable i
   
    for(i=0; i<itemsinlist(fulllist); i +=1)
        name= stringfromlist(i, fulllist)
        sprintf  cmd, "Dowindow/K %s", name
        execute cmd    
    endfor
end

You can also make a macro so that you can call it from the menu.

macro  killGraphs()
KillAllGraphs()
end

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Note that if you hold down the Alt key when you click the close button on a graph, Igor won't ask you whether or not you want to save the recreation macro--it will just kill the graph. This also works for other window types such as tables, panels, and layouts.

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Thanks!! That fixes my problem :)

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You can write the KillAllGraphs function without using Execute.

Rather than this:

name= stringfromlist(i, fulllist)
sprintf  cmd, "Dowindow/K %s", name
execute cmd

you can do this:

name= stringfromlist(i, fulllist)
Dowindow/K $name

This illustrates the general principle that $ converts a string expression to an object name.

For details:

DisplayHelpTopic "String Substitution Using $"

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