A small example of using dPageFrameNoTabs to allow overlaying textboxes on a form. Written by Larry Long and John Fabiani (the suggestion of using dPageFrameNoTabs came from Ed Leafe)

import dabo
dabo.ui.loadUI("wx")
import dabo.dEvents as dEvents


class KiloPanel(dabo.ui.dPanel):
        def afterInit(self):
                self.Sizer = hs = dabo.ui.dSizer("h")
                hs.append(dabo.ui.dTextBox(self),proportion=3,alignment='right')
                hs.append(dabo.ui.dLabel(self,Caption=' Kg'))


class LbsPanel(dabo.ui.dPanel):
        def afterInit(self):
                self.Sizer = hs = dabo.ui.dSizer("h")
                hs.append(dabo.ui.dTextBox(self),proportion=3,alignment='right')
                hs.append(dabo.ui.dLabel(self,Caption=' Lbs  '))
                hs.append(dabo.ui.dTextBox(self),proportion=1,alignment='right')
                hs.append(dabo.ui.dLabel(self,Caption=' Oz'))


class Wtpgf(dabo.ui.dPanel):
        def afterInit(self):
                self.Sizer = hs = dabo.ui.dSizer("h")
                #hs.append(dabo.ui.dLabel(self,Caption='hellow worl;d'))
                pageFrame = pgf = dabo.ui.dPageFrameNoTabs(self,DynamicSelectedPageNumber=self.GetDisplayMode,RegID='WtPgf')
                pgf.appendPage(pgCls=KiloPanel)
                pgf.appendPage(pgCls=LbsPanel)
                hs.append(pgf, 1,"x")
        def GetDisplayMode(self):
                return(self.Form.WtDisplayMode)



class TestForm(dabo.ui.dForm):
        def afterInit(self):
                self.WtDisplayMode=1
                self.Sizer = dabo.ui.dSizer("vertical")
                self.Sizer.append1x(Wtpgf(self))
                self.Sizer.append(dabo.ui.dButton(self,Caption='Click me',OnHit=self.clickme))
                self.layout()
        def clickme(self,evt):
                if self.WtDisplayMode:
                        self.WtDisplayMode=0
                else:
                        self.WtDisplayMode=1
                self.update()      
                evt.stop() 



def main():
   app = dabo.dApp()
   app.MainFormClass = TestForm
   app.start()


if __name__ == '__main__':
   main()