/// <summary> /// Updates the user interface of this form. /// </summary> private void UpdateUI() { // set values of size numeric up-downs widthNumericUpDown.Value = Magnifier.Size.Width; heightNumericUpDown.Value = Magnifier.Size.Height; // set value of zoom numeric up-down zoomNumericUpDown.Value = Magnifier.Zoom; // display pen settings Pen pen = Magnifier.BorderPen; if (pen != null) { borderColorPanelControl.Color = pen.Color; borderWidthNumericUpDown.Value = (decimal)pen.Width; } else { borderColorPanelControl.Color = Color.Black; borderWidthNumericUpDown.Value = 0; } // set elliptical outline check box value ellipticalOutlineCheckBox.Checked = Magnifier.UseEllipticalOutline; // set visual tools visibility check box value showVisualToolsCheckBox.Checked = Magnifier.ShowVisualTools; // set processing commands check boxes to false invertCheckBox.Checked = false; posterizeCheckBox.Checked = false; oilPaintingCheckBox.Checked = false; grayscaleCheckBox.Checked = false; // if the processing command is CompositeCommand if (Magnifier.ProcessingCommand is CompositeCommand) { CompositeCommand compositeCommand = (CompositeCommand)Magnifier.ProcessingCommand; // get sub commands ProcessingCommandBase[] commands = compositeCommand.GetCommands(); // set processing commands check boxes for (int i = 0; i < commands.Length; i++) { if (commands[i] is InvertCommand) { invertCheckBox.Checked = true; } else if (commands[i] is PosterizeCommand) { posterizeCheckBox.Checked = true; } else if (commands[i] is OilPaintingCommand) { oilPaintingCheckBox.Checked = true; } else if (commands[i] is ChangePixelFormatToGrayscaleCommand) { grayscaleCheckBox.Checked = true; } } } }