MainForm.ieSpEffect.Proc.Intensity(0, 255,Round(tbBrightness.Value / 2), False, True, True, True);

  //declare in public
  ieSpEffect: TImageEnView;

  //Before calling the Dialog code is in MainForm
  ieSpEffect := TImageEnView.Create(Self);
  ieSpEffect.CurrentLayer.Bitmap.Assign(ieViewMain.CurrentLayer.Bitmap);
  if ieSpEffect.CurrentLayer.Bitmap.Width > 800 then
    ieSpEffect.Proc.Resample(800, -1, rfLanczos3);

  ieSpEffect.Update;

  //Create Instance of Dialog and Show
  frmContrest2Dlg := TfrmContrest2Dlg.Create(Self);
  frmContrest2Dlg.ShowModal

  //In Dialog on various controls change event code
  MainForm.ieSpEffect.Proc.Intensity(0, 255,Round(tbBrightness.Value / 2), False, True, True, True); //<== getting error here
  

 

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What method do you use to create ieSpEffect

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ieSpEffect := TImageEnView.Create(Self);

 

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At the time of the Intensity() call, are ieSpEffect or ieSpEffect.Proc NIL?

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