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Question: Non-Existent Element in Maplet

Question:Non-Existent Element in Maplet

john_salik 8 Maple Toolboxes
plot format
April 05 2010
0
I am new to Maplet programming and came across this problem while looking trying to build a simple application. Running the code results in: "Error, (in Maplets:-Tools:-CleanUp:-SetOption) the target `("REF")("enabled")` refers to a non-existant element" I am at a loss for why this is the case. From what I read, I am doing this right, but if anyone can see the problem... I would appreciate the help. Here's the unfinished application: MegaPlot:=proc() plot3d(x^2-y^2,x=-5..5,y=-5..5); end; proc() ... end; with (Maplets[Elements]): maplet := Maplet('onstartup'='Action1','reference'='Maplet1', #Action('reference'='ParabolaPlot',Shutdown()), #Action('reference'='ParabolaPlot',SetOption('target'='Simulation_Plot','value'=MegaPlot())), Action('reference'='ParabolaPlot',SetOption('target'='Button1','enabled'='false')), Plotter('background'="#FFFFFF",'continuous'='true','delay'='100','height'='400', 'reference'='Simulation_Plot','value'=plot(sin(x),x=0..10),'visible'='true','width'='600'), Label('background'="#D6D3CE", 'caption'="Resonant Tunelling Diode Simulation", 'enabled'='true','foreground'="#000000",'reference'='Information_Text','visible'='true'), DropDownBox('background'="#FFFFFF",'enabled'='true','foreground'="#000000",'reference'='Simulation_Selection', 'visible'='true','onchange'='ParabolaPlot', Item('value'="Tunelling Probability"), Item('value'="SPICE Simulation (Brown et al.)"), Item('value'="Physics Simulation (Schulman et al.)")), Button('background'="#D6D3CE",'caption'="Quit RTD Simulaiton",'enabled'='true','foreground'="#000000", 'onclick'='ParabolaPlot','reference'='Button1','visible'='true'), BoxLayout('background'="#D6D3CE",'border'='false','halign'='center','inset'='5', 'reference'='BoxLayout1','valign'='center','vertical'='false','visible'='true', BoxColumn( BoxRow( BoxCell('hscroll'='never','value'='Simulation_Plot','vscroll'='never')), BoxRow('halign'='left', BoxCell('hscroll'='never','value'='Information_Text','vscroll'='never'))), BoxColumn( BoxRow('valign'='top', BoxCell('hscroll'='never','value'='Simulation_Selection','vscroll'='never')), BoxRow('valign'='center'), BoxRow('valign'='bottom', BoxCell('hscroll'='never','value'='Button1','vscroll'='never')))), Window('layout'='BoxLayout1','reference'='Window1','resizable'='true','title'="Maplet"), Action('reference'='Action1', RunWindow('window'='Window1'))): Maplets[Display](maplet);
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