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C# BufferedGraphicsContext.Dispose方法代码示例

本文整理汇总了C#中System.Drawing.BufferedGraphicsContext.Dispose方法的典型用法代码示例。如果您正苦于以下问题:C# BufferedGraphicsContext.Dispose方法的具体用法?C# BufferedGraphicsContext.Dispose怎么用?C# BufferedGraphicsContext.Dispose使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在System.Drawing.BufferedGraphicsContext的用法示例。


在下文中一共展示了BufferedGraphicsContext.Dispose方法的11个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C#代码示例。

示例1: Draw

        private void Draw()
        {
            var hours_in_window = (draw_interval.end - draw_interval.start).TotalHours;
            if (hours_in_window < 1)
                return;

            hour_to_pixel_ratio = 1.0 * this.Width / hours_in_window;

            BufferedGraphicsContext buffered_graphics_context = new BufferedGraphicsContext();
            BufferedGraphics second_graphic_buffer = buffered_graphics_context.Allocate(this.CreateGraphics(), this.DisplayRectangle);

            g = second_graphic_buffer.Graphics;

            g.Clear(this.BackColor);

            DrawTasks();
            EnterStateAnimation();
            DrawLinks();

            second_graphic_buffer.Render();
            second_graphic_buffer.Dispose();
            buffered_graphics_context.Dispose();
        }
开发者ID:Enelar,项目名称:GanttControl,代码行数:23,代码来源:GanttDrawMethods.cs

示例2: OnPaint

        /// <summary>
        ///     The override OnPaint- method to draw the content and more imporantly: the basic stuff around the panels.
        ///     Since it's always the same, it won't get overridden!
        /// </summary>
        /// <param name="e">The letter e - huehue</param>
        protected override void OnPaint(PaintEventArgs e)
        {
            if ((DateTime.Now - DtSecond).Seconds >= 1)
            {
                //Debug.WriteLine("The OnPaint- loop was refreshed " + lTimesRefreshed + " times in a second!");
                IterationsPerSeconds = _iTimesRefreshed;
                _iTimesRefreshed = 0;
                DtSecond = DateTime.Now;
            }
            _iTimesRefreshed++;

            base.OnPaint(e);

            //_swMainWatch.Reset();
            //_swMainWatch.Start();

            var context = new BufferedGraphicsContext();
            context.MaximumBuffer = ClientSize;

            using (var buffer = context.Allocate(e.Graphics, ClientRectangle))
            {
                buffer.Graphics.Clear(BackColor);
                buffer.Graphics.CompositingMode = CompositingMode.SourceOver;
                buffer.Graphics.CompositingQuality = CompositingQuality.HighSpeed;
                buffer.Graphics.PixelOffsetMode = PixelOffsetMode.HighSpeed;
                buffer.Graphics.SmoothingMode = SmoothingMode.HighSpeed;

                if (GInformation != null &&
                    GInformation.Gameinfo != null &&
                    GInformation.Gameinfo.IsIngame)
                {
                    if (PSettings.PreferenceAll.Global.DrawOnlyInForeground && !BSurpressForeground)
                    {
                        if (PSc2Process == null)
                            _bDraw = false;

                        else
                            _bDraw = Interop.GetForegroundWindow().Equals(PSc2Process.MainWindowHandle);
                    }

                    else
                    {
                        _bDraw = true;

                        if (PSc2Process == null)
                        {
                            _bDraw = false;
                            PSc2Process = GInformation.CStarcraft2;
                        }

                        else if (Interop.GetForegroundWindow().Equals(PSc2Process.MainWindowHandle))
                        {
                            Interop.SetActiveWindow(Handle);
                        }
                    }

                    if (_bDraw)
                    {
                        Draw(buffer);

                        DrawResizeBorder(buffer);
                    }
                }

                buffer.Render();
            }

            context.Dispose();

            //_swMainWatch.Stop();
            //Debug.WriteLine("Time to execute DrawingMethods:" + 1000000 * _swMainWatch.ElapsedTicks / Stopwatch.Frequency + " µs");
        }
开发者ID:hfenigma,项目名称:AnotherSc2Hack,代码行数:77,代码来源:BaseRenderer.cs

示例3: accel_AccelerationChange

        void accel_AccelerationChange(object sender, AccelerationChangeEventArgs e)
        {
            formGraphicsContext = new BufferedGraphicsContext();

            formGraphicsBuffer = formGraphicsContext.Allocate(Graphics.FromImage(formDrawingSurface), rectBounds);

            formGraphicsBuffer.Graphics.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality;

            formGraphicsBuffer.Graphics.Clear(SystemColors.Control);

            int i = 0;
            //low pass filtering
            switch (e.Index)
            {
                case 0:
                    xOut = 0;
                    xFilt[6] = e.Acceleration;
                    for (i = 0; i < 6; i++)
                    {
                        xFilt[i] = xFilt[i + 1];
                        xOut = xOut + xFilt[i];
                    }
                    xOut = xOut / 6;
                    label6.Text = e.Acceleration.ToString();
                    break;
                case 1:
                    yOut = 0;
                    yFilt[6] = e.Acceleration;
                    for (i = 0; i < 6; i++)
                    {
                        yFilt[i] = yFilt[i + 1];
                        yOut = yOut + yFilt[i];
                    }
                    yOut = yOut / 6;
                    label7.Text = e.Acceleration.ToString();
                    break;
                case 2:
                    zOut = 0;
                    zFilt[6] = e.Acceleration;
                    for (i = 0; i < 6; i++)
                    {
                        zFilt[i] = zFilt[i + 1];
                        zOut = zOut + zFilt[i];
                    }
                    zOut = zOut / 6;
                    label8.Text = e.Acceleration.ToString();
                    break;
            }

            x1Old = xCenter - (float)xOut * circleRadius;
            y1Old = yCenter + (float)yOut * circleRadius;

            formGraphicsBuffer.Graphics.DrawLine(xyAxisPen, xCenter, yCenter, x1Old, y1Old);
            formGraphicsBuffer.Graphics.DrawEllipse(circlePen, circleRectangle);

            if (accel.axes.Count == 3)
            {
                if (zOut > 0)
                {
                    formGraphicsBuffer.Graphics.DrawEllipse(new Pen(Color.Red, 2),
                        new Rectangle((int)xCenter - (int)(circleRadius * zOut), (int)yCenter - (int)(circleRadius * zOut),
                        (int)(circleDiameter * zOut), (int)(circleDiameter * zOut)));
                }
                else
                {
                    formGraphicsBuffer.Graphics.DrawEllipse(new Pen(Color.Green, 2),
                        new Rectangle((int)xCenter - (int)(circleRadius * -zOut), (int)yCenter - (int)(circleRadius * -zOut),
                        (int)(circleDiameter * -zOut), (int)(circleDiameter * -zOut)));
                }
            }

            formGraphicsBuffer.Render(panel1.CreateGraphics());

            formGraphicsBuffer.Dispose();

            formGraphicsContext.Dispose();
        }
开发者ID:niccokunzmann,项目名称:PhidgetsWithCSharp,代码行数:77,代码来源:Form1.cs

示例4: AllocBufferInTempManager

 private BufferedGraphics AllocBufferInTempManager(Graphics targetGraphics, IntPtr targetDC, Rectangle targetRectangle) {
     BufferedGraphicsContext tempContext = null;
     BufferedGraphics tempBuffer = null;
     
     try {
         tempContext = new BufferedGraphicsContext();
         if (tempContext != null) {                
             tempBuffer = tempContext.AllocBuffer(targetGraphics, targetDC, targetRectangle);
             tempBuffer.DisposeContext = true;
         }
     }
     finally {
         if (tempContext != null && (tempBuffer == null || (tempBuffer != null && !tempBuffer.DisposeContext))) {
             tempContext.Dispose();
         }
     }
         
     return tempBuffer;
 }
开发者ID:nlh774,项目名称:DotNetReferenceSource,代码行数:19,代码来源:BufferedGraphicsContext.cs

示例5: accel_AccelerationChange

        //acceleration change event handler
        void accel_AccelerationChange(object sender, AccelerationChangeEventArgs e)
        {
            //get our graphics buffer going so we can draw to our panel
            accelGraphicsContext = new BufferedGraphicsContext();
            accelGraphicsBuffer = accelGraphicsContext.Allocate(Graphics.FromImage(accelDrawingSurface), boundsRectangle);
            accelGraphicsBuffer.Graphics.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.AntiAlias;
            accelGraphicsBuffer.Graphics.Clear(SystemColors.Control);

            Accelerometer attached = (Accelerometer)sender;

            //in this switch statement we will do a bit of simple low pass filtering to smooth out the motion of the graphical representation of the
            //acceleration data.  We will also write the raw data to the textbox for the appropriate axis.
            int i = 0;
            try
            {
                switch (e.Index)
                {
                    case 0:
                        xOut = 0;
                        xFilt[6] = e.Acceleration;
                        for (i = 0; i < 6; i++)
                        {
                            xFilt[i] = xFilt[i + 1];
                            xOut = xOut + xFilt[i];
                        }
                        xOut = xOut / 6;
                        axis1AccelTxt.Text = e.Acceleration.ToString();
                        break;
                    case 1:
                        yOut = 0;
                        yFilt[6] = e.Acceleration;
                        for (i = 0; i < 6; i++)
                        {
                            yFilt[i] = yFilt[i + 1];
                            yOut = yOut + yFilt[i];
                        }
                        yOut = yOut / 6;
                        axis2AccelTxt.Text = e.Acceleration.ToString();
                        break;
                    case 2:
                        zOut = 0;
                        zFilt[6] = e.Acceleration;
                        for (i = 0; i < 6; i++)
                        {
                            zFilt[i] = zFilt[i + 1];
                            zOut = zOut + zFilt[i];
                        }
                        zOut = zOut / 6;
                        axis3AccelTxt.Text = e.Acceleration.ToString();
                        break;
                }
            }
            catch (PhidgetException ex)
            {
                MessageBox.Show(ex.Description);
            }

            xOld = xCenter - (float)xOut * circleRadius;
            yOld = yCenter + (float)yOut * circleRadius;

            accelGraphicsBuffer.Graphics.DrawLine(xyAxisPen, xCenter, yCenter, xOld, yOld);
            accelGraphicsBuffer.Graphics.DrawEllipse(circlePen, circleRectangle);

            if (attached.axes.Count == 3)
            {
                if (zOut > 0)
                {
                    accelGraphicsBuffer.Graphics.DrawEllipse(new Pen(Color.Red, 2),
                        new Rectangle((int)xCenter - (int)(circleRadius * zOut), (int)yCenter - (int)(circleRadius * zOut),
                        (int)(circleDiameter * zOut), (int)(circleDiameter * zOut)));
                }
                else
                {
                    accelGraphicsBuffer.Graphics.DrawEllipse(new Pen(Color.Green, 2),
                        new Rectangle((int)xCenter - (int)(circleRadius * -zOut), (int)yCenter - (int)(circleRadius * -zOut),
                        (int)(circleDiameter * -zOut), (int)(circleDiameter * -zOut)));
                }
            }

            accelGraphicsBuffer.Render(panel1.CreateGraphics());

            accelGraphicsBuffer.Dispose();

            accelGraphicsContext.Dispose();
        }
开发者ID:niccokunzmann,项目名称:PhidgetsWithCSharp,代码行数:86,代码来源:Form1.cs

示例6: OnPaint

        protected override void OnPaint(PaintEventArgs e)
        {
            base.OnPaint(e);

            var context = new BufferedGraphicsContext();
            context.MaximumBuffer = ClientSize;

            using (BufferedGraphics buffer = context.Allocate(e.Graphics, ClientRectangle))
            {
                buffer.Graphics.Clear(BackColor);
                buffer.Graphics.CompositingMode = CompositingMode.SourceOver;
                buffer.Graphics.CompositingQuality = CompositingQuality.HighQuality;
                buffer.Graphics.PixelOffsetMode = PixelOffsetMode.HighQuality;
                buffer.Graphics.SmoothingMode = SmoothingMode.HighQuality;

                if (GInfo != null && GInfo.IsIngame)
                {
                    Drawing(buffer.Graphics);
                }

                #region Draw a Rectangle around the Panels (When changing position)

                /* Draw a final bound around the panel */
                if (_bChangingPosition)
                {

                    /* Simple border */
                    buffer.Graphics.DrawRectangle(_pYellowGreen2,
                        1,
                        1,
                        Width - 2,
                        Height - 2);

                    /* Draw some filled frectangles to make the resizing easier */
                    buffer.Graphics.FillRectangle(Brushes.YellowGreen,
                        Width - SizeOfRectangle, 0, SizeOfRectangle,
                        SizeOfRectangle);

                    buffer.Graphics.FillRectangle(Brushes.YellowGreen,
                        0, Height - SizeOfRectangle, SizeOfRectangle,
                        SizeOfRectangle);

                    buffer.Graphics.FillRectangle(Brushes.YellowGreen,
                        Width - SizeOfRectangle, Height - SizeOfRectangle,
                        SizeOfRectangle, SizeOfRectangle);

                    buffer.Graphics.FillRectangle(Brushes.YellowGreen,
                        Width/2 - SizeOfRectangle, Height/2 - SizeOfRectangle,
                        SizeOfRectangle*2, SizeOfRectangle*2);

                    /* Draw current size */
                    buffer.Graphics.DrawString(
                        Width.ToString() + "x" +
                        Height.ToString() + " - [X=" +
                        Location.X.ToString() + "; Y=" + Location.Y.ToString() + "]",
                        new Font("Arial", 8, FontStyle.Regular), Brushes.YellowGreen, 2, 2);
                }

                else
                    Cursor = Cursors.Default;

                #endregion

                buffer.Render();
            }

            context.Dispose();
        }
开发者ID:hfenigma,项目名称:AnotherSc2Hack,代码行数:68,代码来源:AnotherSc2HackPlugin.cs

示例7: AllocBufferInTempManager

 private BufferedGraphics AllocBufferInTempManager(Graphics targetGraphics, IntPtr targetDC, Rectangle targetRectangle)
 {
     BufferedGraphicsContext context = null;
     BufferedGraphics graphics = null;
     try
     {
         context = new BufferedGraphicsContext();
         if (context != null)
         {
             graphics = context.AllocBuffer(targetGraphics, targetDC, targetRectangle);
             graphics.DisposeContext = true;
         }
     }
     finally
     {
         if ((context != null) && ((graphics == null) || ((graphics != null) && !graphics.DisposeContext)))
         {
             context.Dispose();
         }
     }
     return graphics;
 }
开发者ID:pritesh-mandowara-sp,项目名称:DecompliedDotNetLibraries,代码行数:22,代码来源:BufferedGraphicsContext.cs

示例8: drawMagFieldGraph

        private void drawMagFieldGraph()
        {
            magFieldGraphicsContext = new BufferedGraphicsContext();
            magFieldGraphicsBuffer = magFieldGraphicsContext.Allocate(Graphics.FromImage(magFieldDrawingSurface), magFieldBoundsRectangle);
            magFieldGraphicsBuffer.Graphics.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.AntiAlias;
            magFieldGraphicsBuffer.Graphics.Clear(SystemColors.Control);

            float xCenter = (float)(magFieldBoundsRectangle.Width / 2.0);
            float yCenter = (float)(magFieldBoundsRectangle.Height / 2.0);

            float xOld = xCenter + (float)(spatial.compassAxes[0].MagneticField) * magFieldCircleRadius * (float)(1 / ambientMagneticField);
            float yOld = yCenter + (float)(spatial.compassAxes[1].MagneticField) * magFieldCircleRadius * (float)(1 / ambientMagneticField);

            magFieldGraphicsBuffer.Graphics.DrawLine(magFieldXYAxisPen, xCenter, yCenter, xOld, yOld);
            magFieldGraphicsBuffer.Graphics.DrawEllipse(magFieldCirclePen, magFieldCircleRectangle);

            if (spatial.compassAxes.Count == 3)
            {
                double zOut = (spatial.compassAxes[2].MagneticField) * (float)(1 / ambientMagneticField);
                if (zOut > 0)
                {
                    magFieldGraphicsBuffer.Graphics.DrawEllipse(new Pen(Color.Red, 2),
                        new Rectangle((int)xCenter - (int)(magFieldCircleRadius * zOut), (int)yCenter - (int)(magFieldCircleRadius * zOut),
                        (int)(magFieldCircleDiameter * zOut), (int)(magFieldCircleDiameter * zOut)));
                }
                else
                {
                    magFieldGraphicsBuffer.Graphics.DrawEllipse(new Pen(Color.Green, 2),
                        new Rectangle((int)xCenter - (int)(magFieldCircleRadius * -zOut), (int)yCenter - (int)(magFieldCircleRadius * -zOut),
                        (int)(magFieldCircleDiameter * -zOut), (int)(magFieldCircleDiameter * -zOut)));
                }
            }

            magFieldGraphicsBuffer.Render(magFieldView.CreateGraphics());

            magFieldGraphicsBuffer.Dispose();

            magFieldGraphicsContext.Dispose();
        }
开发者ID:DutchSoldier,项目名称:FHSICT,代码行数:39,代码来源:Form1.cs

示例9: drawGyroGraph

        private void drawGyroGraph()
        {
            //get our graphics buffer going so we can draw to our panel
            gyroGraphicsContext = new BufferedGraphicsContext();
            gyroGraphicsBuffer = gyroGraphicsContext.Allocate(Graphics.FromImage(gyroDrawingSurface), gyroboundsRectangle);
            gyroGraphicsBuffer.Graphics.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.AntiAlias;
            gyroGraphicsBuffer.Graphics.Clear(SystemColors.Control);

            float xCenter = (float)(gyroboundsRectangle.Width / 2.0);
            float yCenter = (float)(gyroboundsRectangle.Height / 2.0);

            //heading circles
            for (int i = 0; i < spatial.gyroAxes.Count; i++)
            {
                gyroGraphicsBuffer.Graphics.DrawEllipse(gyrocirclePen, gyrocircleRectangle[i]);
                gyroGraphicsBuffer.Graphics.DrawEllipse(
                    gyroxyAxisPen[i],
                    (float)(gyrocircleRadius[i] * Math.Cos(gyroHeading[i] * (Math.PI / 180.0)) + xCenter) - 2,
                    (float)(-gyrocircleRadius[i] * Math.Sin(gyroHeading[i] * (Math.PI / 180.0)) + yCenter) - 2,
                    4,
                    4
                );
            }

            gyroGraphicsBuffer.Render(gyroView.CreateGraphics());

            gyroGraphicsBuffer.Dispose();

            gyroGraphicsContext.Dispose();
        }
开发者ID:DutchSoldier,项目名称:FHSICT,代码行数:30,代码来源:Form1.cs

示例10: drawCompassBearingGraph

        private void drawCompassBearingGraph()
        {
            compassGraphicsContext = new BufferedGraphicsContext();
            compassGraphicsBuffer = compassGraphicsContext.Allocate(Graphics.FromImage(compassDrawingSurface), compassboundsRectangle);
            compassGraphicsBuffer.Graphics.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.AntiAlias;
            compassGraphicsBuffer.Graphics.Clear(SystemColors.Control);

            float xCenter = (float)(compassboundsRectangle.Width / 2.0);
            float yCenter = (float)(compassboundsRectangle.Height / 2.0);

            compassGraphicsBuffer.Graphics.DrawEllipse(compassCirclePen, compasscircleRectangle);

            Point pt = new Point((int)(xCenter - spatialImage.Width / 2), (int)(yCenter - spatialImage.Height / 2));
            compassGraphicsBuffer.Graphics.DrawImageUnscaled(rotateImage(spatialImage, (float)compassBearing), pt);

            compassGraphicsBuffer.Graphics.DrawString("N", new Font("Arial", 16), new SolidBrush(Color.Black), xCenter-10, 0);
            compassGraphicsBuffer.Graphics.DrawString("E", new Font("Arial", 16), new SolidBrush(Color.Black), xCenter*2-20, yCenter-12);
            compassGraphicsBuffer.Graphics.DrawString("S", new Font("Arial", 16), new SolidBrush(Color.Black), xCenter-10, yCenter*2-20);
            compassGraphicsBuffer.Graphics.DrawString("W", new Font("Arial", 16), new SolidBrush(Color.Black), 0, yCenter-12);

            //Ticks around the compass circle
            for (int i = 0; i < 360; i+=10)
            {
                Pen p = compassTickPen;
                int tickSize = 4;
                if (i == 0 || i == 90 || i == 180 || i == 270)
                {
                    p = compassTickPenBig;
                    tickSize = 6;
                }
                compassGraphicsBuffer.Graphics.DrawLine(p,
                (float)((compassCircleRadius + tickSize) * Math.Cos(i * (Math.PI / 180.0)) + xCenter),
                (float)(-(compassCircleRadius + tickSize) * Math.Sin(i * (Math.PI / 180.0)) + yCenter),
                (float)((compassCircleRadius - tickSize) * Math.Cos(i * (Math.PI / 180.0)) + xCenter),
                (float)(-(compassCircleRadius - tickSize) * Math.Sin(i * (Math.PI / 180.0)) + yCenter));
            }

            //Marker on the compass circle
            compassGraphicsBuffer.Graphics.DrawEllipse(
                compassDotPen,
                (float)(compassCircleRadius * Math.Cos((-compassBearing+90) * (Math.PI / 180.0)) + xCenter) - 2,
                (float)(-compassCircleRadius * Math.Sin((-compassBearing+90) * (Math.PI / 180.0)) + yCenter) - 2,
                4,
                4
            );

            compassGraphicsBuffer.Render(compassView.CreateGraphics());

            compassGraphicsBuffer.Dispose();

            compassGraphicsContext.Dispose();
        }
开发者ID:DutchSoldier,项目名称:FHSICT,代码行数:52,代码来源:Form1.cs

示例11: drawAccelGraph

        private void drawAccelGraph()
        {
            accelGraphicsContext = new BufferedGraphicsContext();
            accelGraphicsBuffer = accelGraphicsContext.Allocate(Graphics.FromImage(accelDrawingSurface), accelboundsRectangle);
            accelGraphicsBuffer.Graphics.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.AntiAlias;
            accelGraphicsBuffer.Graphics.Clear(SystemColors.Control);

            float xCenter = (float)(accelboundsRectangle.Width / 2.0);
            float yCenter = (float)(accelboundsRectangle.Height / 2.0);

            float xOld = xCenter - (float)spatial.accelerometerAxes[0].Acceleration * accelcircleRadius * (float)(1 / ambientGravity);
            float yOld = yCenter - (float)spatial.accelerometerAxes[1].Acceleration * accelcircleRadius * (float)(1 / ambientGravity);

            accelGraphicsBuffer.Graphics.DrawLine(accelxyAxisPen, xCenter, yCenter, xOld, yOld);
            accelGraphicsBuffer.Graphics.DrawEllipse(accelcirclePen, new Rectangle((int)(xCenter - accelcircleRadius), (int)(yCenter - accelcircleRadius),
                        (int)accelcircleDiameter, (int)accelcircleDiameter));

            if (spatial.accelerometerAxes.Count == 3)
            {
                double zOut = spatial.accelerometerAxes[2].Acceleration * (float)(1 / ambientGravity);
                if (zOut > 0)
                {
                    accelGraphicsBuffer.Graphics.DrawEllipse(new Pen(Color.Red, 2),
                        new Rectangle((int)xCenter - (int)(accelcircleRadius * zOut), (int)yCenter - (int)(accelcircleRadius * zOut),
                        (int)(accelcircleDiameter * zOut), (int)(accelcircleDiameter * zOut)));
                }
                else
                {
                    accelGraphicsBuffer.Graphics.DrawEllipse(new Pen(Color.Green, 2),
                        new Rectangle((int)xCenter - (int)(accelcircleRadius * -zOut), (int)yCenter - (int)(accelcircleRadius * -zOut),
                        (int)(accelcircleDiameter * -zOut), (int)(accelcircleDiameter * -zOut)));
                }
            }

            accelGraphicsBuffer.Render(panel1.CreateGraphics());

            accelGraphicsBuffer.Dispose();

            accelGraphicsContext.Dispose();
        }
开发者ID:DutchSoldier,项目名称:FHSICT,代码行数:40,代码来源:Form1.cs


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