MainForm.cs
author sl
Thu, 10 Jul 2014 22:03:29 +0200
changeset 12 f37c5ff8af18
parent 11 de55741d90f0
child 13 745d9ee1a2c0
permissions -rw-r--r--
Power supply status, device id and firmware revision queries are now working.
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´╗┐using System;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.Data;
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using System.Drawing;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using System.Windows.Forms;
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using CodeProject.Dialog;
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namespace SharpDisplayManager
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{
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    public partial class MainForm : Form
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    {
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        DateTime LastTickTime;
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        Display iDisplay;
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        public MainForm()
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        {
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            LastTickTime = DateTime.Now;
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            iDisplay = new Display();
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            InitializeComponent();
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            UpdateStatus();
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            //Load settings
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            marqueeLabelTop.Font = Properties.Settings.Default.DisplayFont;
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            marqueeLabelBottom.Font = Properties.Settings.Default.DisplayFont;
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            checkBoxShowBorders.Checked = Properties.Settings.Default.DisplayShowBorders;
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        }
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        private void buttonFont_Click(object sender, EventArgs e)
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        {
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            //fontDialog.ShowColor = true;
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            //fontDialog.ShowApply = true;
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            fontDialog.ShowEffects = true;
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            fontDialog.Font = marqueeLabelTop.Font;
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            //fontDialog.ShowHelp = true;
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            //fontDlg.MaxSize = 40;
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            //fontDlg.MinSize = 22;
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            //fontDialog.Parent = this;
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            //fontDialog.StartPosition = FormStartPosition.CenterParent;
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            //DlgBox.ShowDialog(fontDialog);
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            //if (fontDialog.ShowDialog(this) != DialogResult.Cancel)
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            if (DlgBox.ShowDialog(fontDialog) != DialogResult.Cancel)
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            {
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                //MsgBox.Show("MessageBox MsgBox", "MsgBox caption");
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                //MessageBox.Show("Ok");
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                marqueeLabelTop.Font = fontDialog.Font;
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                marqueeLabelBottom.Font = fontDialog.Font;
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                Properties.Settings.Default.DisplayFont = fontDialog.Font;
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                Properties.Settings.Default.Save();
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                //label1.Font = fontDlg.Font;
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                //textBox1.BackColor = fontDlg.Color;
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                //label1.ForeColor = fontDlg.Color;
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            }
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        }
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        private void buttonCapture_Click(object sender, EventArgs e)
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        {
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            System.Drawing.Bitmap bmp = new System.Drawing.Bitmap(tableLayoutPanel.Width, tableLayoutPanel.Height);
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            tableLayoutPanel.DrawToBitmap(bmp, tableLayoutPanel.ClientRectangle);
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            bmp.Save("c:\\capture.png");
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        }
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        private void CheckForRequestResults()
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        {
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            if (iDisplay.IsRequestPending())
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            {
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                switch (iDisplay.AttemptRequestCompletion())
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                {
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                    case Display.TMiniDisplayRequest.EMiniDisplayRequestPowerSupplyStatus:
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                        if (iDisplay.PowerSupplyStatus())
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                        {
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                            toolStripStatusLabelPower.Text = "ON";
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                        }
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                        else
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                        {
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                            toolStripStatusLabelPower.Text = "OFF";
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                        }
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                        //Issue next request then
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                        iDisplay.RequestDeviceId();
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                        break;
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                    case Display.TMiniDisplayRequest.EMiniDisplayRequestDeviceId:
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                        toolStripStatusLabelConnect.Text += " - " + iDisplay.DeviceId();
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                        //Issue next request then
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                        iDisplay.RequestFirmwareRevision();
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                        break;
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                    case Display.TMiniDisplayRequest.EMiniDisplayRequestFirmwareRevision:
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                        toolStripStatusLabelConnect.Text += " v" + iDisplay.FirmwareRevision();
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                        //No more request to issue
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                        break;
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                }
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            }
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        }
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        private void timer_Tick(object sender, EventArgs e)
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        {        
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            //Update our animations
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            DateTime NewTickTime = DateTime.Now;
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            marqueeLabelTop.UpdateAnimation(LastTickTime, NewTickTime);
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            marqueeLabelBottom.UpdateAnimation(LastTickTime, NewTickTime);
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            //Update our display
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            if (iDisplay.IsOpen())
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            {
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                CheckForRequestResults();
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                //Draw to bitmap
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                System.Drawing.Bitmap bmp = new System.Drawing.Bitmap(tableLayoutPanel.Width, tableLayoutPanel.Height);
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                tableLayoutPanel.DrawToBitmap(bmp, tableLayoutPanel.ClientRectangle);
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                //Send it to our display
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                for (int i = 0; i < bmp.Width; i++)
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                {
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                    for (int j = 0; j < bmp.Height; j++)
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                    {
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                        unchecked
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                        {
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                        uint color=(uint)bmp.GetPixel(i, j).ToArgb();
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                        iDisplay.SetPixel(i, j, Convert.ToInt32((checkBoxShowBorders.Checked?color!=0xFFFFFFFF:color == 0xFF000000)));
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                        }
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                    }
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                }
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                iDisplay.SwapBuffers();
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            }
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            //Compute instant FPS
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            toolStripStatusLabelFps.Text = (1.0/NewTickTime.Subtract(LastTickTime).TotalSeconds).ToString("F0") + " FPS";
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            LastTickTime = NewTickTime;
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        }
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        private void buttonOpen_Click(object sender, EventArgs e)
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        {
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            if (iDisplay.Open())
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            {
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                UpdateStatus();
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                iDisplay.RequestPowerSupplyStatus();
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            }
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            else
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            {
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                UpdateStatus();
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                toolStripStatusLabelConnect.Text = "Connection error";
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            }
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        }
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        private void buttonClose_Click(object sender, EventArgs e)
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        {
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            iDisplay.Close();
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            UpdateStatus();
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        }
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        private void buttonClear_Click(object sender, EventArgs e)
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        {
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            iDisplay.Clear();
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            iDisplay.SwapBuffers();
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        }
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        private void buttonFill_Click(object sender, EventArgs e)
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        {
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            iDisplay.Fill();
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            iDisplay.SwapBuffers();
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        }
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        private void trackBarBrightness_Scroll(object sender, EventArgs e)
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        {
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            Properties.Settings.Default.DisplayBrightness = trackBarBrightness.Value;
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            Properties.Settings.Default.Save();
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            iDisplay.SetBrightness(trackBarBrightness.Value);
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        }
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        private void UpdateStatus()
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        {
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            if (iDisplay.IsOpen())
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            {
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                buttonFill.Enabled = true;
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                buttonClear.Enabled = true;
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                buttonOpen.Enabled = false;
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                buttonClose.Enabled = true;
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                trackBarBrightness.Enabled = true;
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                trackBarBrightness.Minimum = iDisplay.MinBrightness();
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                trackBarBrightness.Maximum = iDisplay.MaxBrightness();
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                trackBarBrightness.Value = Properties.Settings.Default.DisplayBrightness;
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                trackBarBrightness.LargeChange = Math.Max(1,(iDisplay.MaxBrightness() - iDisplay.MinBrightness())/5);
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                trackBarBrightness.SmallChange = 1;
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                iDisplay.SetBrightness(Properties.Settings.Default.DisplayBrightness);
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                toolStripStatusLabelConnect.Text = "Connected - " + iDisplay.Vendor() + " - " + iDisplay.Product();
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                //+ " - " + iDisplay.SerialNumber();
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            }
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            else
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            {
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                buttonFill.Enabled = false;
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                buttonClear.Enabled = false;
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                buttonOpen.Enabled = true;
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                buttonClose.Enabled = false;
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                trackBarBrightness.Enabled = false;
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                toolStripStatusLabelConnect.Text = "Disconnected";
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            }
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        }
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        private void checkBoxShowBorders_CheckedChanged(object sender, EventArgs e)
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        {
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            Properties.Settings.Default.DisplayShowBorders = checkBoxShowBorders.Checked;
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            Properties.Settings.Default.Save();
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        }
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    }
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}