■ GroupBox 클래스에서 익스팬더(Expander) 그룹 박스를 사용하는 방법을 보여준다.
▶ SignpostLabel.cs
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using System; using System.ComponentModel; using System.Drawing; using System.Drawing.Drawing2D; using System.Windows.Forms; namespace TestProject { /// <summary> /// 푯말 레이블 /// </summary> public class SignpostLabel : UserControl { //////////////////////////////////////////////////////////////////////////////////////////////////// Field ////////////////////////////////////////////////////////////////////////////////////////// Private #region Field /// <summary> /// 컨테이너 /// </summary> private Container container = null; /// <summary> /// 차분 /// </summary> private int difference = 10; /// <summary> /// 외부 테두리 경로 /// </summary> private GraphicsPath outerBorderPath = null; /// <summary> /// 내부 테두리 경로 /// </summary> private GraphicsPath innerBorderPath = null; /// <summary> /// 하이라이트 경로 /// </summary> private GraphicsPath highlightPath = null; /// <summary> /// 레이블 색상 1 /// </summary> private Color labelColor1 = Color.Gray; /// <summary> /// 레이블 색상 펜 1 /// </summary> private Pen labelColorPen1 = Pens.Gray; /// <summary> /// 레이블 색상 브러시 1 /// </summary> private SolidBrush labelColorBrush1 = new SolidBrush(Color.Gray); /// <summary> /// 레이블 색상 2 /// </summary> private Color labelColor2 = Color.Gray; /// <summary> /// 레이블 색상 펜 2 /// </summary> private Pen labelColorPen2 = Pens.Gray; /// <summary> /// 레이블 색상 브러시 2 /// </summary> private SolidBrush labelColorBrush2 = new SolidBrush(Color.FromArgb(127, Color.Gray)); /// <summary> /// 하이라이트 색상 /// </summary> private Color highlightColor = Color.White; /// <summary> /// 하이라이트 펜 /// </summary> private Pen highlightPen = Pens.White; /// <summary> /// 배경 이미지 /// </summary> private Image backgroundImage = null; /// <summary> /// 이미지 정렬 /// </summary> private ContentAlignment imageAlignment = ContentAlignment.MiddleLeft; /// <summary> /// 이미지 크기 /// </summary> private Size imageSize = new Size(24, 24); /// <summary> /// 이미지 사각형 /// </summary> private Rectangle imageRectangle = new Rectangle(8, 8, 24, 24); /// <summary> /// 이미지 /// </summary> private Image image = null; /// <summary> /// 제목 정렬 /// </summary> private ContentAlignment titleAlignment = ContentAlignment.MiddleCenter; /// <summary> /// 제목 사각형 /// </summary> private Rectangle titleRectangle; /// <summary> /// 제목 문자열 포맷 /// </summary> private StringFormat textStringFormat = null; /// <summary> /// 제목 색상 /// </summary> private Color titleColor = Color.White; /// <summary> /// 제목 브러시 /// </summary> private SolidBrush titleBrush = new SolidBrush(Color.White); /// <summary> /// 제목 /// </summary> private string title; #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Property ////////////////////////////////////////////////////////////////////////////////////////// Public #region 차분 - Difference /// <summary> /// 차분 /// </summary> [Category("SignpostLabel")] public int Difference { get { return this.difference; } set { this.difference = value; SetOuterBorderPath(ClientRectangle, this.difference); SetInnerBorderPath(ClientRectangle, this.difference); SetHighlightPath(ClientRectangle, this.difference); SetTitleRectangle(ClientRectangle, this.difference); Invalidate(); } } #endregion #region 레이블 색상 1 - LabelColor1 /// <summary> /// 레이블 색상 1 /// </summary> [Category("SignpostLabel")] public Color LabelColor1 { get { return this.labelColor1; } set { this.labelColor1 = value; this.labelColorPen1 = new Pen(this.labelColor1); this.labelColorBrush1 = new SolidBrush(this.labelColor1); Invalidate(); } } #endregion #region 레이블 색상 2 - LabelColor2 /// <summary> /// 레이블 색상 2 /// </summary> [Category("SignpostLabel")] public Color LabelColor2 { get { return this.labelColor2; } set { this.labelColor2 = value; this.labelColorPen2 = new Pen(this.labelColor2); this.labelColorBrush2 = new SolidBrush(Color.FromArgb(127, this.labelColor2)); Invalidate(); } } #endregion #region 하이라이트 색상 - HighlightColor /// <summary> /// 하이라이트 색상 /// </summary> [Category("SignpostLabel")] public Color HighlightColor { get { return this.highlightColor; } set { this.highlightColor = value; this.highlightPen = new Pen(this.highlightColor); Invalidate(); } } #endregion #region 배경 이미지 - BackgroundImage /// <summary> /// 배경 이미지 /// </summary> [Category("SignpostLabel")] public new Image BackgroundImage { get { return this.backgroundImage; } set { this.backgroundImage = value; Invalidate(); } } #endregion #region 이미지 정렬 - ImageAlignment /// <summary> /// 이미지 정렬 /// </summary> [Category("SignpostLabel")] public ContentAlignment ImageAlignment { get { return this.imageAlignment; } set { this.imageAlignment = value; Invalidate(); } } #endregion #region 이미지 크기 - ImageSize /// <summary> /// 이미지 크기 /// </summary> [Category("SignpostLabel")] public Size ImageSize { get { return this.imageSize; } set { this.imageSize = value; SetImageRectangle(this.imageSize); Invalidate(); } } #endregion #region 이미지 - Image /// <summary> /// 이미지 /// </summary> [Category("SignpostLabel")] public Image Image { get { return this.image; } set { this.image = value; Invalidate(); } } #endregion #region 제목 정렬 - TitleAlignment /// <summary> /// 제목 정렬 /// </summary> [Category("SignpostLabel")] public ContentAlignment TitleAlignment { get { return this.titleAlignment; } set { this.titleAlignment = value; SetTitleStringFormat(this.titleAlignment); Invalidate(); } } #endregion #region 제목 색상 - TitleColor /// <summary> /// 제목 색상 /// </summary> [Category("SignpostLabel")] public Color TitleColor { get { return this.titleColor; } set { this.titleColor = value; this.titleBrush = new SolidBrush(this.titleColor); Invalidate(); } } #endregion #region 제목 - Title /// <summary> /// 제목 /// </summary> [Category("SignpostLabel")] public string Title { get { return this.title; } set { this.title = value; Invalidate(); } } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - SignpostLabel() /// <summary> /// 생성자 /// </summary> public SignpostLabel() { Name = "signpostLabel"; Size = new Size(100, 32); BackColor = SystemColors.Control; TabStop = false; SetOuterBorderPath(ClientRectangle, this.difference); SetInnerBorderPath(ClientRectangle, this.difference); SetHighlightPath(ClientRectangle, this.difference); SetTitleStringFormat(this.titleAlignment); SetTitleRectangle(ClientRectangle, this.difference); this.SetStyle(ControlStyles.AllPaintingInWmPaint , true); this.SetStyle(ControlStyles.DoubleBuffer , true); this.SetStyle(ControlStyles.ResizeRedraw , true); this.SetStyle(ControlStyles.Selectable , true); this.SetStyle(ControlStyles.SupportsTransparentBackColor, true); this.SetStyle(ControlStyles.UserPaint , true); Resize += UserControl_Resize; Paint += UserControl_Paint; } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Protected #region 리소스 해제하기 - Dispose(disposing) /// <summary> /// 리소스 해제하기 /// </summary> protected override void Dispose(bool disposing) { if(disposing) { if(this.container != null) { this.container.Dispose(); this.outerBorderPath?.Dispose(); this.innerBorderPath?.Dispose(); this.highlightPath?.Dispose(); this.labelColorPen1?.Dispose(); this.labelColorBrush1?.Dispose(); this.labelColorPen2?.Dispose(); this.labelColorBrush2?.Dispose(); this.highlightPen?.Dispose(); } } base.Dispose(disposing); } #endregion ////////////////////////////////////////////////////////////////////////////////////////// Private //////////////////////////////////////////////////////////////////////////////// Event #region 사용자 컨트롤 크기 변경시 처리하기 - UserControl_Resize(sender, e) /// <summary> /// 사용자 컨트롤 크기 변경시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void UserControl_Resize(object sender, EventArgs e) { Rectangle rectangle = ClientRectangle; rectangle.X -= 1; rectangle.Y -= 1; rectangle.Width += 2; rectangle.Height += 2; using(GraphicsPath graphicsPath = GetLabelPath(rectangle, this.difference)) { Region = new Region(graphicsPath); } SetOuterBorderPath(ClientRectangle, this.difference); SetInnerBorderPath(ClientRectangle, this.difference); SetHighlightPath(ClientRectangle, this.difference); SetTitleRectangle(ClientRectangle, this.difference); } #endregion #region 사용자 컨트롤 페인트시 처리하기 - UserControl_Paint(sender, e) /// <summary> /// 사용자 컨트롤 페인트시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void UserControl_Paint(object sender, PaintEventArgs e) { e.Graphics.SmoothingMode = SmoothingMode.AntiAlias; e.Graphics.InterpolationMode = InterpolationMode.HighQualityBicubic; DrawBackgroundImage(e.Graphics); DrawHighlight(e.Graphics); DrawImage(e.Graphics); DrawText(e.Graphics); DrawInnerBorder(e.Graphics); DrawOuterBorder(e.Graphics); } #endregion //////////////////////////////////////////////////////////////////////////////// Function #region 레이블 경로 구하기 - GetLabelPath(rectangle, difference) /// <summary> /// 레이블 경로 구하기 /// </summary> /// <param name="rectangle">사각형</param> /// <param name="difference">차분</param> /// <returns>레이블 경로</returns> private GraphicsPath GetLabelPath(RectangleF rectangle, float difference) { float x1 = rectangle.X; float y1 = rectangle.Y; float x2 = rectangle.X + rectangle.Width - difference; float y2 = rectangle.Y; float x3 = rectangle.X + rectangle.Width; float y3 = rectangle.Y + rectangle.Height / 2; float x4 = rectangle.X + rectangle.Width - difference; float y4 = rectangle.Y + rectangle.Height; float x5 = rectangle.X; float y5 = rectangle.Y + rectangle.Height; GraphicsPath graphicsPath = new GraphicsPath(); graphicsPath.AddLine(x1, y1, x2, y2); graphicsPath.AddLine(x2, y2, x3, y3); graphicsPath.AddLine(x3, y3, x4, y4); graphicsPath.AddLine(x4, y4, x5, y5); return graphicsPath; } #endregion #region 하이라이트 레이블 경로 구하기 - GetHighlightLabelPath(rectangle, difference) /// <summary> /// 하이라이트 레이블 경로 구하기 /// </summary> /// <param name="rectangle">사각형</param> /// <param name="difference">차분</param> /// <returns>하이라이트 레이블 경로</returns> private GraphicsPath GetHighlightLabelPath(RectangleF rectangle, float difference) { float x1 = rectangle.X; float y1 = rectangle.Y; float x2 = rectangle.X + rectangle.Width - difference; float y2 = rectangle.Y; float x3 = rectangle.X + rectangle.Width; float y3 = rectangle.Y + rectangle.Height / 2; float x4 = rectangle.X; float y4 = rectangle.Y + rectangle.Height / 2; GraphicsPath graphicsPath = new GraphicsPath(); graphicsPath.AddLine(x1, y1, x2, y2); graphicsPath.AddLine(x2, y2, x3, y3); graphicsPath.AddLine(x3, y3, x4, y4); return graphicsPath; } #endregion #region 하이라이트 경로 설정하기 - SetHighlightPath(clientRectangle, difference) /// <summary> /// 하이라이트 경로 설정하기 /// </summary> /// <param name="clientRectangle">클라이언트 사각형</param> /// <param name="difference">차분</param> private void SetHighlightPath(Rectangle clientRectangle, int difference) { this.highlightPath?.Dispose(); this.highlightPath = GetHighlightLabelPath(clientRectangle, difference); } #endregion #region 이미지 사각형 설정하기 - SetImageRectangle(imageSize) /// <summary> /// 이미지 사각형 설정하기 /// </summary> /// <param name="imageSize">이미지 크기</param> private void SetImageRectangle(Size imageSize) { Rectangle imageRectangle = new Rectangle(8, 8, imageSize.Width, imageSize.Height); switch(this.imageAlignment) { case ContentAlignment.TopCenter : imageRectangle = new Rectangle ( Width / 2 - imageSize.Width / 2, 8, imageSize.Width, imageSize.Height ); break; case ContentAlignment.TopRight : imageRectangle = new Rectangle ( Width - 8 - imageSize.Width, 8, imageSize.Width, imageSize.Height ); break; case ContentAlignment.MiddleLeft : imageRectangle = new Rectangle ( 8, Height / 2 - imageSize.Height / 2, imageSize.Width, imageSize.Height ); break; case ContentAlignment.MiddleCenter : imageRectangle = new Rectangle ( Width / 2 - imageSize.Width / 2, Height / 2 - imageSize.Height / 2, imageSize.Width, imageSize.Height ); break; case ContentAlignment.MiddleRight : imageRectangle = new Rectangle ( Width - 8 - imageSize.Width, Height / 2 - imageSize.Height / 2, imageSize.Width, imageSize.Height ); break; case ContentAlignment.BottomLeft : imageRectangle = new Rectangle ( 8, Height - 8 - imageSize.Height, imageSize.Width, imageSize.Height ); break; case ContentAlignment.BottomCenter : imageRectangle = new Rectangle ( Width / 2 - imageSize.Width / 2, Height - 8 - imageSize.Height, imageSize.Width, imageSize.Height ); break; case ContentAlignment.BottomRight : imageRectangle = new Rectangle ( Width - 8 - imageSize.Width, Height - 8 - imageSize.Height, imageSize.Width, imageSize.Height ); break; } this.imageRectangle = imageRectangle; } #endregion #region 제목 사각형 설정하기 - SetTitleRectangle(clientRectangle, difference) /// <summary> /// 제목 사각형 설정하기 /// </summary> /// <param name="clientRectangle">클라이언트 사각형</param> /// <param name="difference">차분</param> private void SetTitleRectangle(Rectangle clientRectangle, int difference) { this.titleRectangle = new Rectangle(8, 4, clientRectangle.Width - difference - 8, clientRectangle.Height - 4); } #endregion #region 제목 문자열 포맷 설정하기 - SetTitleStringFormat(titleAlignment) /// <summary> /// 제목 문자열 포맷 설정하기 /// </summary> /// <param name="titleAlignment">제목 정렬</param> private void SetTitleStringFormat(ContentAlignment titleAlignment) { StringFormat stringFormat = new StringFormat(); stringFormat.FormatFlags = StringFormatFlags.MeasureTrailingSpaces | StringFormatFlags.LineLimit; switch(titleAlignment) { case ContentAlignment.TopLeft : case ContentAlignment.TopCenter : case ContentAlignment.TopRight : stringFormat.LineAlignment = StringAlignment.Near; break; case ContentAlignment.MiddleLeft : case ContentAlignment.MiddleCenter : case ContentAlignment.MiddleRight : stringFormat.LineAlignment = StringAlignment.Center; break; case ContentAlignment.BottomLeft : case ContentAlignment.BottomCenter : case ContentAlignment.BottomRight : stringFormat.LineAlignment = StringAlignment.Far; break; } switch(titleAlignment) { case ContentAlignment.TopLeft : case ContentAlignment.MiddleLeft : case ContentAlignment.BottomLeft : stringFormat.Alignment = StringAlignment.Near; break; case ContentAlignment.TopCenter : case ContentAlignment.MiddleCenter : case ContentAlignment.BottomCenter : stringFormat.Alignment = StringAlignment.Center; break; case ContentAlignment.TopRight : case ContentAlignment.MiddleRight : case ContentAlignment.BottomRight : stringFormat.Alignment = StringAlignment.Far; break; } this.textStringFormat = stringFormat; } #endregion #region 내부 테두리 경로 설정하기 - SetInnerBorderPath(clientRectangle, difference) /// <summary> /// 내부 테두리 경로 설정하기 /// </summary> /// <param name="clientRectangle">클라이언트 사각형</param> /// <param name="difference">차분</param> private void SetInnerBorderPath(Rectangle clientRectangle, int difference) { Rectangle rectangle = clientRectangle; rectangle.X++; rectangle.Y++; rectangle.Width -= 3; rectangle.Height -= 3; GraphicsPath innerBorderPath = GetLabelPath(rectangle, difference); this.innerBorderPath?.Dispose(); this.innerBorderPath = innerBorderPath; } #endregion #region 외부 테두리 경로 설정하기 - SetOuterBorderPath(clientRectangle, difference) /// <summary> /// 외부 테두리 경로 설정하기 /// </summary> /// <param name="clientRectangle">클라이언트 사각형</param> /// <param name="difference">차분</param> private void SetOuterBorderPath(Rectangle clientRectangle, int difference) { Rectangle rectangle = clientRectangle; rectangle.Width--; rectangle.Height--; GraphicsPath outerBorderPath = GetLabelPath(rectangle, difference); this.outerBorderPath?.Dispose(); this.outerBorderPath = outerBorderPath; } #endregion #region 배경 이미지 그리기 - DrawBackgroundImage(graphics) /// <summary> /// 배경 이미지 그리기 /// </summary> /// <param name="graphics">그래픽스</param> private void DrawBackgroundImage(Graphics graphics) { graphics.FillPath(this.labelColorBrush1, this.outerBorderPath); graphics.SetClip(this.innerBorderPath); if(this.backgroundImage != null) { graphics.DrawImage(this.backgroundImage, ClientRectangle); } graphics.ResetClip(); graphics.FillPath(this.labelColorBrush2, this.outerBorderPath); } #endregion #region 하이라이트 그리기 - DrawHighlight(graphics) /// <summary> /// 하이라이트 그리기 /// </summary> /// <param name="graphics">그래픽스</param> private void DrawHighlight(Graphics graphics) { if(!Enabled) { return; } LinearGradientBrush linearGradientBrush = new LinearGradientBrush ( this.highlightPath.GetBounds(), Color.FromArgb(150, this.HighlightColor), Color.FromArgb(50 , this.HighlightColor), LinearGradientMode.Vertical ); graphics.FillPath(linearGradientBrush, this.highlightPath); linearGradientBrush.Dispose(); } #endregion #region 이미지 그리기 - DrawImage(graphics) /// <summary> /// 이미지 그리기 /// </summary> /// <param name="graphics">그래픽스</param> private void DrawImage(Graphics graphics) { if(this.image == null) { return; } graphics.DrawImage(this.image, this.imageRectangle); } #endregion #region 텍스트 그리기 - DrawText(graphics) /// <summary> /// 텍스트 그리기 /// </summary> /// <param name="graphics">그래픽스</param> private void DrawText(Graphics graphics) { graphics.DrawString ( this.title, Font, this.titleBrush, this.titleRectangle, this.textStringFormat ); } #endregion #region 내부 테두리 그리기 - DrawInnerBorder(graphics) /// <summary> /// 내부 테두리 그리기 /// </summary> /// <param name="graphics">그래픽스</param> private void DrawInnerBorder(Graphics graphics) { graphics.DrawPath(this.highlightPen, this.innerBorderPath); } #endregion #region 외부 테두리 그리기 - DrawOuterBorder(graphics) /// <summary> /// 외부 테두리 그리기 /// </summary> /// <param name="graphics">그래픽스</param> private void DrawOuterBorder(Graphics graphics) { graphics.DrawPath(this.labelColorPen2, this.outerBorderPath); } #endregion } } |
