■ ProgressBar 클래스에서 색상을 변경하는 방법을 보여준다.
▶ StateProgressBar.cs
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using System; using System.Drawing; using System.Drawing.Drawing2D; using System.Windows.Forms; namespace TestProject { /// <summary> /// 상태 진행바 /// </summary> public class StateProgressBar : ProgressBar { //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - StateProgressBar() /// <summary> /// 생성자 /// </summary> public StateProgressBar() { if(ProgressBarRenderer.IsSupported) { SetStyle(ControlStyles.UserPaint, true); } } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Protected #region 배경 페인트시 처리하기 - OnPaintBackground(e) /// <summary> /// 배경 페인트시 처리하기 /// </summary> /// <param name="e">이벤트 인자</param> protected override void OnPaintBackground(PaintEventArgs e) { } #endregion #region 페인트시 처리하기 - OnPaint(e) /// <summary> /// 페인트시 처리하기 /// </summary> /// <param name="e">이벤트 인자</param> protected override void OnPaint(PaintEventArgs e) { using(Image image = new Bitmap(Width, Height)) { using(Graphics imageGraphics = Graphics.FromImage(image)) { #region 외곽선을 그린다. Rectangle outlineRectangle = new Rectangle(Point.Empty, Size); if(ProgressBarRenderer.IsSupported) { ProgressBarRenderer.DrawHorizontalBar(imageGraphics, outlineRectangle); } #endregion #region 배경바를 칠한다. outlineRectangle.Inflate(new Size(-2, -2)); SolidBrush backgroundBrush = new SolidBrush(Color.FromArgb(251, 251, 251)); imageGraphics.FillRectangle(backgroundBrush, outlineRectangle); #endregion #region 메인바(수직 그라데이션)를 칠한다. Rectangle mainRectangle = new Rectangle(Point.Empty, Size); mainRectangle.Inflate(new Size(-1, -1)); mainRectangle.Width = (int)Math.Truncate((double)mainRectangle.Width * Value / Maximum); if(mainRectangle.Width == 0) { mainRectangle.Width = 1; } LinearGradientBrush verticalMainBrush = new LinearGradientBrush(mainRectangle, this.BackColor, this.ForeColor, LinearGradientMode.Vertical); ColorBlend verticalMainColorBlend = new ColorBlend { Positions = new float[] { 0.0f, 0.55f, 1.0f }, Colors = new Color[] { this.BackColor, this.ForeColor, this.BackColor } }; verticalMainBrush.InterpolationColors = verticalMainColorBlend; imageGraphics.FillRectangle(verticalMainBrush, mainRectangle); #endregion #region 메인바(수평 그라데이션)를 칠한다. LinearGradientBrush horizontalMainBrush = new LinearGradientBrush(mainRectangle, this.ForeColor, this.BackColor, LinearGradientMode.Horizontal); ColorBlend horizontalMainColorBlend = new ColorBlend { Positions = new float[] { 0.0f, 0.35f, 0.65f, 1.0f }, Colors = new Color[] { Color.FromArgb(200, this.ForeColor), Color.FromArgb(100, this.BackColor), Color.FromArgb(100, this.BackColor), Color.FromArgb(200, this.ForeColor) } }; horizontalMainBrush.InterpolationColors = horizontalMainColorBlend; horizontalMainBrush.GammaCorrection = true; imageGraphics.FillRectangle(horizontalMainBrush, mainRectangle); #endregion #region 사이드 엣지(투명)를 그린다. Pen sideEdgePen = new Pen(Color.FromArgb(80, Color.White)); imageGraphics.DrawLine(sideEdgePen, 1 , 1, 1 , mainRectangle.Height); // 왼쪽 imageGraphics.DrawLine(sideEdgePen, mainRectangle.Width, 1, mainRectangle.Width, mainRectangle.Height); // 오른쪽 #endregion #region 하이라이트(투명)를 그린다. Rectangle highlightRectangle = new Rectangle(1, 1, mainRectangle.Width, (int)(Math.Truncate(mainRectangle.Height * 0.45))); LinearGradientBrush highlightBrush = new LinearGradientBrush(highlightRectangle, Color.White, Color.White, LinearGradientMode.Vertical); ColorBlend highlightColorBlend = new ColorBlend { Positions = new float[] { 0.0f, 0.3f, 1.0f }, Colors = new Color[] { Color.FromArgb(120, Color.White), Color.FromArgb(110, Color.White), Color.FromArgb(80, Color.White) } }; highlightBrush.InterpolationColors = highlightColorBlend; highlightBrush.GammaCorrection = true; imageGraphics.FillRectangle(highlightBrush, highlightRectangle); #endregion // 이미지를 그린다. e.Graphics.DrawImage(image, Point.Empty); } } } #endregion } } |
▶ MainForm.cs
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using System; using System.Drawing; using System.Windows.Forms; namespace TestProject { /// <summary> /// 메인 폼 /// </summary> public partial class MainForm : Form { //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - MainForm() /// <summary> /// 생성자 /// </summary> public MainForm() { InitializeComponent(); if(!ProgressBarRenderer.IsSupported) { this.progressBar.BackColor = SystemColors.Control; } #region 이벤트를 설정한다. this.turquoiseButton.Click += turquoiseButton_Click; this.blueButton.Click += blueButton_Click; this.greenButton.Click += greenButton_Click; this.yellowButton.Click += yellowButton_Click; this.redButton.Click += redButton_Click; this.trackBar.Scroll += trackBar_Scroll; #endregion } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Private //////////////////////////////////////////////////////////////////////////////// Event #region 터키색 버튼 클릭시 처리하기 - turquoiseButton_Click(sender, e) /// <summary> /// 터키색 버튼 클릭시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void turquoiseButton_Click(object sender, EventArgs e) { SetColor(Color.MediumTurquoise, Color.DarkCyan); } #endregion #region 파랑 버튼 클릭시 처리하기 - blueButton_Click(sender, e) /// <summary> /// 파랑 버튼 클릭시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void blueButton_Click(object sender, EventArgs e) { SetColor(Color.LightSkyBlue, Color.DodgerBlue); } #endregion #region 녹색 버튼 클릭시 처리하기 - greenButton_Click(sender, e) /// <summary> /// 녹색 버튼 클릭시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void greenButton_Click(object sender, EventArgs e) { SetColor(Color.LimeGreen, Color.ForestGreen); } #endregion #region 노랑 버튼 클릭시 처리하기 - yellowButton_Click(sender, e) /// <summary> /// 노랑 버튼 클릭시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void yellowButton_Click(object sender, EventArgs e) { SetColor(Color.Khaki, Color.Gold); } #endregion #region 빨강 버튼 클릭시 처리하기 - redButton_Click(sender, e) /// <summary> /// 빨강 버튼 클릭시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void redButton_Click(object sender, EventArgs e) { SetColor(Color.Red, Color.Firebrick); } #endregion #region 트랙바 스크롤시 처리하기 - trackBar_Scroll(sender, e) /// <summary> /// 트랙바 스크롤시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void trackBar_Scroll(object sender, EventArgs e) { this.progressBar.Value = trackBar.Value; } #endregion //////////////////////////////////////////////////////////////////////////////// Function #region 색상 설정하기 - SetColor(backgroundColor, foregroungColor) /// <summary> /// 색상 설정하기 /// </summary> /// <param name="backgroundColor">배경색</param> /// <param name="foregroungColor">전경색</param> private void SetColor(Color backgroundColor, Color foregroungColor) { if (ProgressBarRenderer.IsSupported) { progressBar.BackColor = backgroundColor; progressBar.ForeColor = foregroungColor; } else { progressBar.BackColor = SystemColors.Control; progressBar.ForeColor = backgroundColor; } } #endregion } } |
