Creating an "About..." window

Menu "Help"
    "About This",/Q, ShowAboutThis()
End

Proc ShowAboutThis()

    NewPanel/K=1/N=AboutThis/W=(538,124,902,324) as "About This"

    Button close,pos={148,165},size={50,20},proc=ButtonProc,title="Close"
    DefineGuide UGV0={FL,13},UGV1={FR,-16}
    NewNotebook /F=1 /N=AboutNB/OPTS=7 /W=(13,13,225,150)/FG=(,,UGV1,) /HOST=#
    Notebook kwTopWin, defaultTab=36, statusWidth=0, autoSave=1, showRuler=0, rulerUnits=1
    Notebook kwTopWin newRuler=Normal, justification=0, margins={0,0,228}, spacing={0,0,0}, tabs={}, rulerDefaults={"Arial",10,0,(0,0,0)}
    Notebook kwTopWin, zdata= "Gasai4U]+l%*eUQ-s[g`Z7Eo9>pt:l>nk6IC*OdiXn:=5(Oq5?`nA2Eaa^(\"X8\"8pgq/6PG=adO9O(sbbbG0r\"\"!)Ie?tql7!=o(C/nl\"))G(45+=GMpYt.WcYFL2\\(Yo)I$n,m#1n3.R)Csj.$H91\\HjNmbkF^m\\WYsGF>CfY1Q.Jf(ioda:dd3:_ZXU-^r-d:'-4-=-IaLf@p>RRISXWhMCX*ADiHBWd9R^>o/=b,a+9dB95iPp_e:KAld&AihXf4\"(IRThIeuhS5gYFRe=;f_$=$2'CB"
    Notebook kwTopWin, zdataEnd= 1
    RenameWindow #,AboutNB
    SetActiveSubwindow ##
End

Function ButtonProc(ba) : ButtonControl
    STRUCT WMButtonAction &ba

    switch( ba.eventCode )
        case 2: // mouse up
            // click code here
            Execute/P/Q "DoWindow/K "+ba.win
            break
        case -1: // control being killed
            break
    endswitch

    return 0
End