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NeoTabControl Library

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4.96/5 (110 votes)
28 Sep 2012CPOL16 min read 198K   21.3K   163  
A custom .NET tab control for WinForms applications with add-in renderer support.
using System;
using System.Drawing;
using System.Drawing.Drawing2D;
using NeoTabControlLibrary.CommonObjects;

namespace NeoTabControlLibrary.Renderer.SizDotNET
{
    [AddInRenderer("SizDotNET",
        "SizDotNET renderer class, TabPageLayout: Top(tab page items bottom margin 3px, tab page items between spacing 3px), TabPageItemStyle: OnlyText.",
        DeveloperName = "Burak Özdiken", VersionNumber = "1.0.0.0")]
    public sealed class SizDotNETRenderer : RendererBase
    {
        #region Symbolic Constants

        private static readonly Font MY_FONT;
        private static readonly DrawingOffset[] OFFSETS;
        private static readonly Color[] COLORS;
        private static readonly int[] INTEGERARRAY;

        #endregion

        #region Static Constructor

        static SizDotNETRenderer()
        {
            MY_FONT = new Font("Tahoma", 9.25f, FontStyle.Bold);

            OFFSETS = new DrawingOffset[] {
                // PAGE_AREA_OFFSET
                new DrawingOffset(1, 1, 1, 1),
                // ITEM_AREA_OFFSET
                new DrawingOffset(0, 0, 3, 0) };

            COLORS = new Color[]{
                // BackColor
                Color.White,
                // TabPageItemForeColor
                Color.FromArgb(97, 53, 64),
                // SelectedTabPageItemForeColor
                Color.Black,
                // DisabledTabPageItemForeColor
                SystemColors.GrayText,
                // MouseOverTabPageItemForeColor
                Color.White
            };

            // ItemObjectsDrawingMargin, TabPageItemsBetweenSpacing
            INTEGERARRAY = new int[] { 6, 3 };
        }

        #endregion

        public override void InvokeEditor()
        {
            throw new NotImplementedException();
        }

        public override void OnRendererBackground(Graphics gfx, Rectangle clientRct)
        {
            // Do nothing.
        }

        public override void OnRendererTabPageArea(Graphics gfx, Rectangle tabPageAreaRct)
        {
            Rectangle linesRct = tabPageAreaRct;
            linesRct.Width -= 1;
            linesRct.Height -= 1;
            // Draw 1px border rectangle.
            using (Pen pen = new Pen(Color.FromArgb(202, 202, 214)))
                gfx.DrawRectangle(pen, linesRct);
        }

        public override void OnRendererTabPageItem(Graphics gfx, Rectangle tabPageItemRct, string tabPageText, int index, CommonObjects.ButtonState btnState)
        {
            Rectangle itemRct = tabPageItemRct;
            using (StringFormat format = new StringFormat(StringFormatFlags.LineLimit))
            {
                format.Alignment = StringAlignment.Center;
                format.LineAlignment = StringAlignment.Center;
                format.HotkeyPrefix = System.Drawing.Text.HotkeyPrefix.Show;
                switch (btnState)
                {
                    case CommonObjects.ButtonState.Hover:
                        using (LinearGradientBrush brush = new LinearGradientBrush(itemRct, Color.FromArgb(255, 192, 16),
                            Color.FromArgb(248, 157, 28), LinearGradientMode.Vertical))
                        {
                            Blend bl = new Blend(2);
                            bl.Factors = new float[] { 0.3F, 1.0F };
                            bl.Positions = new float[] { 0.0F, 1.0F };
                            brush.Blend = bl;
                            gfx.FillRectangle(brush, itemRct);
                        }
                        using (Brush brush = new SolidBrush(MouseOverTabPageItemForeColor))
                            gfx.DrawString(tabPageText, NeoTabPageItemsFont, brush, itemRct, format);
                        break;
                    case CommonObjects.ButtonState.Normal:
                        using (LinearGradientBrush brush = new LinearGradientBrush(itemRct, Color.FromArgb(255, 192, 16),
                            Color.FromArgb(248, 157, 28), LinearGradientMode.Vertical))
                        {
                            Blend bl = new Blend(2);
                            bl.Factors = new float[] { 0.3F, 1.0F };
                            bl.Positions = new float[] { 0.0F, 1.0F };
                            brush.Blend = bl;
                            gfx.FillRectangle(brush, itemRct);
                        }
                        using (Brush brush = new SolidBrush(TabPageItemForeColor))
                            gfx.DrawString(tabPageText, NeoTabPageItemsFont, brush, itemRct, format);
                        break;
                    case CommonObjects.ButtonState.Pressed:
                        itemRct.Height += 4;
                        using (Brush brush = new SolidBrush(Color.White))
                            gfx.FillRectangle(brush, itemRct);
                        // Draw left, top and right 1px lines.
                        using (Pen pen = new Pen(Color.FromArgb(207, 207, 207)))
                        {
                            // Create border points.
                            Point[] points = new Point[]
                            {
                                // Left point.
                                new Point(itemRct.Left, itemRct.Bottom - 1),
                                // Top points.
                                new Point(itemRct.Left, itemRct.Top),
                                new Point(itemRct.Right - 1, itemRct.Top),
                                // Right point.
                                new Point(itemRct.Right - 1, itemRct.Bottom - 1)
                            };
                            gfx.DrawLines(pen, points);
                        }
                        itemRct.Height -= 4;
                        using (Brush brush = new SolidBrush(SelectedTabPageItemForeColor))
                            gfx.DrawString(tabPageText, NeoTabPageItemsFont, brush, itemRct, format);
                        break;
                    case CommonObjects.ButtonState.Disabled:
                        using (Brush brush = new SolidBrush(SystemColors.InactiveBorder))
                            gfx.FillRectangle(brush, itemRct);
                        using (Brush brush = new SolidBrush(DisabledTabPageItemForeColor))
                            gfx.DrawString(tabPageText, NeoTabPageItemsFont, brush, itemRct, format);
                        break;
                }
            }
        }

        public override int ItemObjectsDrawingMargin
        {
            get { return INTEGERARRAY[0]; }
        }

        public override int TabPageItemsBetweenSpacing
        {
            get { return INTEGERARRAY[1]; }
        }

        public override Color BackColor
        {
            get { return COLORS[0]; }
        }

        public override Color TabPageItemForeColor
        {
            get { return COLORS[1]; }
        }

        public override Color SelectedTabPageItemForeColor
        {
            get { return COLORS[2]; }
        }

        public override Color DisabledTabPageItemForeColor
        {
            get { return COLORS[3]; }
        }

        public override Color MouseOverTabPageItemForeColor
        {
            get { return COLORS[4]; }
        }

        public override Font NeoTabPageItemsFont
        {
            get { return MY_FONT; }
        }

        public override DrawingOffset TabPageAreaCornerOffset
        {
            get { return OFFSETS[0]; }
        }

        public override DrawingOffset TabPageItemsAreaOffset
        {
            get { return OFFSETS[1]; }
        }

        public override TabPageLayout NeoTabPageItemsSide
        {
            get { return TabPageLayout.Top; }
        }

        public override TabPageItemStyle NeoTabPageItemsStyle
        {
            get { return TabPageItemStyle.OnlyText; }
        }

        public override void Dispose()
        {
            GC.SuppressFinalize(this);
        }
    }

    [AddInRenderer("SizDotNET",
        "SizDotNET renderer class with right alignment, TabPageLayout: Right(tab page items left margin 3px, tab page items between spacing 3px), TabPageItemStyle: OnlyText.",
        DeveloperName = "Burak Özdiken", VersionNumber = "1.1.0.0")]
    public sealed class SizDotNETRendererVS2 : RendererBase
    {
        #region Symbolic Constants

        private static readonly Font MY_FONT;
        private static readonly DrawingOffset[] OFFSETS;
        private static readonly Color[] COLORS;
        private static readonly int[] INTEGERARRAY;

        #endregion

        #region Static Constructor

        static SizDotNETRendererVS2()
        {
            MY_FONT = new Font("Tahoma", 9.25f, FontStyle.Bold);

            OFFSETS = new DrawingOffset[] {
                // PAGE_AREA_OFFSET
                new DrawingOffset(1, 1, 1, 1),
                // ITEM_AREA_OFFSET
                new DrawingOffset(0, 3, 0, 0) };

            COLORS = new Color[]{
                // BackColor
                Color.White,
                // TabPageItemForeColor
                Color.FromArgb(97, 53, 64),
                // SelectedTabPageItemForeColor
                Color.Black,
                // DisabledTabPageItemForeColor
                SystemColors.GrayText,
                // MouseOverTabPageItemForeColor
                Color.White
            };

            // ItemObjectsDrawingMargin, TabPageItemsBetweenSpacing
            INTEGERARRAY = new int[] { 6, 3 };
        }

        #endregion

        public override void InvokeEditor()
        {
            throw new NotImplementedException();
        }

        public override void OnRendererBackground(Graphics gfx, Rectangle clientRct)
        {
            // Do nothing.
        }

        public override void OnRendererTabPageArea(Graphics gfx, Rectangle tabPageAreaRct)
        {
            Rectangle linesRct = tabPageAreaRct;
            linesRct.Width -= 1;
            linesRct.Height -= 1;
            // Draw 1px border rectangle.
            using (Pen pen = new Pen(Color.FromArgb(202, 202, 214)))
                gfx.DrawRectangle(pen, linesRct);
        }

        public override void OnRendererTabPageItem(Graphics gfx, Rectangle tabPageItemRct, string tabPageText, int index, CommonObjects.ButtonState btnState)
        {
            Rectangle itemRct = tabPageItemRct;
            using (StringFormat format = new StringFormat(StringFormatFlags.LineLimit))
            {
                format.Alignment = StringAlignment.Center;
                format.LineAlignment = StringAlignment.Center;
                format.HotkeyPrefix = System.Drawing.Text.HotkeyPrefix.Show;
                switch (btnState)
                {
                    case CommonObjects.ButtonState.Hover:
                        using (LinearGradientBrush brush = new LinearGradientBrush(itemRct, Color.FromArgb(255, 192, 16),
                            Color.FromArgb(248, 157, 28), LinearGradientMode.Vertical))
                        {
                            Blend bl = new Blend(2);
                            bl.Factors = new float[] { 0.3F, 1.0F };
                            bl.Positions = new float[] { 0.0F, 1.0F };
                            brush.Blend = bl;
                            gfx.FillRectangle(brush, itemRct);
                        }
                        using (Brush brush = new SolidBrush(MouseOverTabPageItemForeColor))
                            gfx.DrawString(tabPageText, NeoTabPageItemsFont, brush, itemRct, format);
                        break;
                    case CommonObjects.ButtonState.Normal:
                        using (LinearGradientBrush brush = new LinearGradientBrush(itemRct, Color.FromArgb(255, 192, 16),
                            Color.FromArgb(248, 157, 28), LinearGradientMode.Vertical))
                        {
                            Blend bl = new Blend(2);
                            bl.Factors = new float[] { 0.3F, 1.0F };
                            bl.Positions = new float[] { 0.0F, 1.0F };
                            brush.Blend = bl;
                            gfx.FillRectangle(brush, itemRct);
                        }
                        using (Brush brush = new SolidBrush(TabPageItemForeColor))
                            gfx.DrawString(tabPageText, NeoTabPageItemsFont, brush, itemRct, format);
                        break;
                    case CommonObjects.ButtonState.Pressed:
                        itemRct.X -= 4;
                        itemRct.Width += 4;
                        using (Brush brush = new SolidBrush(Color.White))
                            gfx.FillRectangle(brush, itemRct);
                        // Draw left, top and right 1px lines.
                        using (Pen pen = new Pen(Color.FromArgb(207, 207, 207)))
                        {
                            // Create border points.
                            Point[] points = new Point[]
                            {
                                // Top point.
                                new Point(itemRct.Left, itemRct.Top),
                                // Right points.
                                new Point(itemRct.Right - 1, itemRct.Top),
                                new Point(itemRct.Right - 1, itemRct.Bottom - 1),
                                // Bottom point.
                                new Point(itemRct.Left, itemRct.Bottom - 1)
                            };
                            gfx.DrawLines(pen, points);
                        }
                        itemRct.X += 4;
                        itemRct.Width -= 4;
                        using (Brush brush = new SolidBrush(SelectedTabPageItemForeColor))
                            gfx.DrawString(tabPageText, NeoTabPageItemsFont, brush, itemRct, format);
                        break;
                    case CommonObjects.ButtonState.Disabled:
                        using (Brush brush = new SolidBrush(SystemColors.InactiveBorder))
                            gfx.FillRectangle(brush, itemRct);
                        using (Brush brush = new SolidBrush(DisabledTabPageItemForeColor))
                            gfx.DrawString(tabPageText, NeoTabPageItemsFont, brush, itemRct, format);
                        break;
                }
            }
        }

        public override int ItemObjectsDrawingMargin
        {
            get { return INTEGERARRAY[0]; }
        }

        public override int TabPageItemsBetweenSpacing
        {
            get { return INTEGERARRAY[1]; }
        }

        public override Color BackColor
        {
            get { return COLORS[0]; }
        }

        public override Color TabPageItemForeColor
        {
            get { return COLORS[1]; }
        }

        public override Color SelectedTabPageItemForeColor
        {
            get { return COLORS[2]; }
        }

        public override Color DisabledTabPageItemForeColor
        {
            get { return COLORS[3]; }
        }

        public override Color MouseOverTabPageItemForeColor
        {
            get { return COLORS[4]; }
        }

        public override Font NeoTabPageItemsFont
        {
            get { return MY_FONT; }
        }

        public override DrawingOffset TabPageAreaCornerOffset
        {
            get { return OFFSETS[0]; }
        }

        public override DrawingOffset TabPageItemsAreaOffset
        {
            get { return OFFSETS[1]; }
        }

        public override TabPageLayout NeoTabPageItemsSide
        {
            get { return TabPageLayout.Right; }
        }

        public override TabPageItemStyle NeoTabPageItemsStyle
        {
            get { return TabPageItemStyle.OnlyText; }
        }

        public override void Dispose()
        {
            GC.SuppressFinalize(this);
        }
    }
}

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License

This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)


Written By
Software Developer (Senior) ARELTEK
Turkey Turkey
Since 1998...

MCPD - Enterprise Application Developer

“Hesaplı hareket ettiğini zanneden ve onunla iftihar eyliyen dar kafalar; kurtulmağa, yükselmeğe elverişli hiç bir eser vücüda getirmezler. Kurtuluş ve yükselişi, ancak varlığına dayanan ve mülkü milletin gizli kapalı hazinelerini verimli hale getirmesini bilen, şahsi menfaatini millet menfaati uğruna feda eden, ruhu idealist, dimağı realist şahsiyetlerde aramalıdır.”

Nuri Demirağ, 1947

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