實例一：
using System;
using System.ComponentModel;
using System.Drawing;
using System.Windows.Forms;
namespace KUN.CONTROL.LIB.CONTROL
{
public partial class KMenuTabControl : System.Windows.Forms.TabControl
{
#region 屬性、構造
Color SelectedColor = Color.LightSkyBlue;
Color MoveColor = Color.LightSeaGreen;
Color FontColor = Color.Black;
int TextLeft = 10;
[Browsable(true)]
[Description("選項卡標題左邊距"), Category("TextLeft"), DefaultValue(typeof(Int32), "10")]
public int TitleTextLeft
{
get { return TextLeft; }
set { this.TextLeft = value; }
}
[Browsable(true)]
[Description("選項卡標題字體顏色"), Category("TitleColor"), DefaultValue(typeof(Color), "Black")]
public Color TitleFontColor
{
get { return FontColor; }
set { this.FontColor = value; }
}
[Browsable(true)]
[Description("選項卡標題字體選中顏色"), Category("TitleColor"), DefaultValue(typeof(Color), "LightSkyBlue")]
public Color TitleSelectedColor
{
get { return SelectedColor; }
set { this.SelectedColor = value; }
}
[Browsable(true)]
[Description("選項卡標題字體懸浮顏色"), Category("TitleColor"), DefaultValue(typeof(Color), "White")]
public Color TitleMoveColor
{
get { return MoveColor; }
set { this.MoveColor = value; }
}
[Browsable(true), Description("整個控件的背景色"), Category("外觀")]
public Color TabControlBackColor { get; set; }
[Browsable(true), Description("TabControl ItemSize"), Category("外觀")]
public Size TabControlItemSize { get; set; }
public KMenuTabControl()
{
this.SuspendLayout();
this.DrawMode = TabDrawMode.OwnerDrawFixed;
this.ResumeLayout(false);
this.SizeMode = TabSizeMode.Fixed;
this.Multiline = true;
this.TabControlBackColor = Color.SeaShell;
this.TabControlItemSize = new Size(100, 28);
this.DrawItem += new System.Windows.Forms.DrawItemEventHandler(this.tabMenu_DrawItem);
this.MouseDown += new System.Windows.Forms.MouseEventHandler(this.MainTabControl_MouseDown);
}
#endregion
protected override void OnPaint(PaintEventArgs e)
{
Rectangle tcRec = this.ClientRectangle;//整個tabControl的邊框
e.Graphics.FillRectangle(new SolidBrush(this.TabControlBackColor), tcRec);
if (this.ItemSize!=this.TabControlItemSize)
{
this.ItemSize = TabControlItemSize;
}
StringFormat sf = new StringFormat();//封裝文本布局信息
sf.LineAlignment = StringAlignment.Center;
sf.Alignment = StringAlignment.Near;
for (int i = 0; i < this.TabCount; i++)
{
Graphics g = e.Graphics;
// int width = (int)g.MeasureString(this.Controls[i].Text, this.Font).Width + 40;
Rectangle rect = this.GetTabRect(i);
// rect.Width = width;
if (this.SelectedIndex == i)
g.FillRectangle(new SolidBrush(MoveColor), rect);
else g.FillRectangle(new SolidBrush(SelectedColor), rect);
SolidBrush brush = new SolidBrush(FontColor);
// rect.Width = width;
rect.X += TextLeft;
g.DrawString(this.Controls[i].Text, this.Font, brush, rect, sf);
using (Pen objpen = new Pen(Color.Black))
{
int tx = (int)(rect.X + (rect.Width - 30));
rect.X = tx - 2;
Point p5 = new Point(tx, 8);
Font font = new System.Drawing.Font("微軟雅黑", 12);
g.DrawString("〇", font, brush, rect, sf);
font = new System.Drawing.Font("微軟雅黑", 11);
rect.X = tx + 2;
rect.Y = rect.Y - 1;
g.DrawString("×", font, brush, rect, sf);
}
}
}
public override Rectangle DisplayRectangle
{
get
{
Rectangle rect = base.DisplayRectangle;
return new Rectangle(rect.Left - 2, rect.Top - 2, rect.Width + 4, rect.Height + 5);
}
}
int index = -1;
protected override void OnMouseMove(MouseEventArgs e)
{
int Count = 0;
try
{
Graphics g = this.CreateGraphics();
SolidBrush brush = new SolidBrush(FontColor);
StringFormat sf = new StringFormat();//封裝文本布局信息
sf.LineAlignment = StringAlignment.Center;
sf.Alignment = StringAlignment.Near;
for (int i = 0; i < this.TabPages.Count; i++)
{
TabPage tp = this.TabPages[i];
if (this.GetTabRect(i).Contains(e.Location) && tp != this.SelectedTab)
{
if (index != i)
{
if (Count == 0)
{
if (index != -1 && this.TabPages[index] != this.SelectedTab)
{
g.FillRectangle(new SolidBrush(SelectedColor), this.GetTabRect(index));
RectangleF tRectangle = this.GetTabRect(index);
tRectangle.X += TextLeft;
g.DrawString(this.Controls[index].Text, this.Font, brush, tRectangle, sf);
}
Count = 1;
}
index = i;
g.FillRectangle(new SolidBrush(SelectedColor), this.GetTabRect(i));
RectangleF tRectangleF = this.GetTabRect(i);
tRectangleF.X += TextLeft;
g.DrawString(this.Controls[i].Text, this.Font, brush, tRectangleF, sf);
using (Pen objpen = new Pen(Color.Black))
{
int tx = (int)(tRectangleF.X + (tRectangleF.Width - 30));
tRectangleF.X = tx - 2;
brush.Color = Color.White;
Font font = new System.Drawing.Font("微軟雅黑", 12);
g.DrawString("〇", font, brush, tRectangleF, sf);
font = new System.Drawing.Font("微軟雅黑", 11);
tRectangleF.X = tx + 2;
tRectangleF.Y = tRectangleF.Y - 1;
g.DrawString("×", font, brush, tRectangleF, sf);
}
}
}
if (this.GetTabRect(i).Contains(e.Location) && tp == this.SelectedTab)
{
if (index != -1 && index != this.SelectedIndex)
{
g.FillRectangle(new SolidBrush(SelectedColor), this.GetTabRect(index));
RectangleF tRectangleF = this.GetTabRect(index);
tRectangleF.X += TextLeft;
g.DrawString(this.Controls[index].Text, this.Font, brush, tRectangleF, sf);
using (Pen objpen = new Pen(Color.Black))
{
int tx = (int)(tRectangleF.X + (tRectangleF.Width - 30));
tRectangleF.X = tx - 2;
Font font = new System.Drawing.Font("微軟雅黑", 12);
g.DrawString("〇", font, brush, tRectangleF, sf);
font = new System.Drawing.Font("微軟雅黑", 11);
tRectangleF.X = tx + 2;
tRectangleF.Y = tRectangleF.Y - 1;
g.DrawString("×", font, brush, tRectangleF, sf);
}
}
index = -1;
}
}
}
catch (Exception)
{
}
Count = 0;
base.OnMouseMove(e);
}
protected override void OnMouseLeave(EventArgs e)
{
try
{
Graphics g = this.CreateGraphics();
if (index != -1 && this.TabPages[index] != this.SelectedTab)
{
g.FillRectangle(new SolidBrush(SelectedColor), this.GetTabRect(index));
SolidBrush brush = new SolidBrush(FontColor);
RectangleF tRectangleF = this.GetTabRect(index);
StringFormat sf = new StringFormat();//封裝文本布局信息
sf.LineAlignment = StringAlignment.Center;
sf.Alignment = StringAlignment.Near;
tRectangleF.X += TextLeft;
g.DrawString(this.Controls[index].Text, this.Font, brush, tRectangleF, sf);
using (Pen objpen = new Pen(Color.Black))
{
int tx = (int)(tRectangleF.X + (tRectangleF.Width - 30));
tRectangleF.X = tx - 2;
Point p5 = new Point(tx, 8);
Font font = new System.Drawing.Font("微軟雅黑", 12);
g.DrawString("〇", font, brush, tRectangleF, sf);
font = new System.Drawing.Font("微軟雅黑", 11);
tRectangleF.X = tx + 2;
tRectangleF.Y = tRectangleF.Y - 1;
g.DrawString("×", font, brush, tRectangleF, sf);
}
}
}
catch (Exception)
{
}
index = -1;
base.OnMouseLeave(e);
}
/// <summary>
/// 重繪控件
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void tabMenu_DrawItem(object sender, DrawItemEventArgs e)
{
this.SetStyle(
ControlStyles.UserPaint | // 控件將自行繪制，而不是通過操作系統來繪制
ControlStyles.OptimizedDoubleBuffer | // 該控件首先在緩沖區中繪制，而不是直接繪制到屏幕上，這樣可以減少閃爍
ControlStyles.AllPaintingInWmPaint | // 控件將忽略 WM_ERASEBKGND 窗口消息以減少閃爍
ControlStyles.ResizeRedraw | // 在調整控件大小時重繪控件
ControlStyles.SupportsTransparentBackColor, // 控件接受 alpha 組件小於 255 的 BackColor 以模擬透明
true); // 設置以上值為 true
this.UpdateStyles();
}
//關閉按鈕功能
private void MainTabControl_MouseDown(object sender, MouseEventArgs e)
{
int closeSize = 20;
if (e.Button == MouseButtons.Left)
{
int x = e.X, y = e.Y;
//計算關閉區域
Rectangle tab = this.GetTabRect(this.SelectedIndex);
tab.Offset(tab.Width - (closeSize + 3), 4);
tab.Width = closeSize;
tab.Height = closeSize;
if (this.TabCount == 1) return;
//如果鼠標在區域內就關閉選項卡
bool isClose = x > tab.X && x < tab.Right && y > tab.Y && y < tab.Bottom;
if (isClose == true)
{
this.TabPages.Remove(this.SelectedTab);
}
}
}
}
}
實例二：
using System.ComponentModel;
using System.Drawing;
using System.Windows.Forms;
namespace KUN.CONTROL.LIB.CONTROL
{
public partial class KTabControl : System.Windows.Forms.TabControl
{
[Browsable(true), Description("整個控件的背景色"), Category("外觀")]
public Color TabControlBackColor { get; set; }
[Browsable(true), Description("Tab的標題欄邊框顏色"), Category("外觀")]
public Color TabBorderColor { get; set; }
[Browsable(true), Description("當前激活Tab的標題欄背景色"), Category("外觀")]
public Color ActivedTabBackColor { get; set; }
[Browsable(true), Description("當前激活Tab的標題文字顏色"), Category("外觀")]
public Color ActivedTabLabelColor { get; set; }
[Browsable(true), Description("未激活Tab的標題欄背景色"), Category("外觀")]
public Color InActivedTabBackColor { get; set; }
[Browsable(true), Description("未激活Tab的標題文字顏色"), Category("外觀")]
public Color InActivedTabLabelColor { get; set; }
[Browsable(true), Description("Tab標題欄的大小"), Category("外觀")]
public Size TabSize { get; set; }
public KTabControl()
{
this.InitializeComponent();
TabSet();
this.TabBorderColor = Color.Black;
this.ActivedTabLabelColor = Color.Black;
this.InActivedTabLabelColor = Color.Black;
this.ActivedTabBackColor = Color.White;
this.InActivedTabBackColor = Color.FromArgb(0, 192, 192);
this.TabControlBackColor = Color.Transparent;
this.TabSize = new Size(100, 35);
}
protected override void OnMouseDoubleClick(MouseEventArgs e)
{
if (this.TabPages.Count == 1) return;
this.TabPages.RemoveAt(this.SelectedIndex);
}
protected override void OnPaint(PaintEventArgs e)
{
Rectangle tcRec = this.ClientRectangle;//整個tabControl的邊框
e.Graphics.FillRectangle(new SolidBrush(this.TabControlBackColor), tcRec);
for (int i = 0; i < this.TabPages.Count; i++)
{
Rectangle tabRectangle = new Rectangle(1, 1 + i * TabSize.Height, TabSize.Width, TabSize.Height);
SolidBrush brush = new SolidBrush(this.InActivedTabLabelColor);
StringFormat sf = new StringFormat();//封裝文本布局信息
sf.LineAlignment = StringAlignment.Center;
sf.Alignment = StringAlignment.Center;
if (i == this.SelectedIndex)
{
brush = new SolidBrush(this.ActivedTabLabelColor);
e.Graphics.FillRectangle(new SolidBrush(ActivedTabBackColor), tabRectangle);
e.Graphics.DrawRectangle(new Pen(this.TabBorderColor), tabRectangle);
}
else
{
e.Graphics.FillRectangle(new SolidBrush(InActivedTabBackColor), tabRectangle);
e.Graphics.DrawRectangle(new Pen(this.TabBorderColor), tabRectangle);
}
e.Graphics.DrawString(this.Controls[i].Text, this.Font, brush, tabRectangle, sf);
}
}
/// <summary>
/// 設定控件繪制模式
/// </summary>
private void TabSet()
{
this.DrawMode = TabDrawMode.OwnerDrawFixed;
this.Alignment = TabAlignment.Left;
this.SizeMode = TabSizeMode.Fixed;
this.Multiline = true;
base.SetStyle(
ControlStyles.UserPaint |
ControlStyles.OptimizedDoubleBuffer |
ControlStyles.AllPaintingInWmPaint |
ControlStyles.ResizeRedraw |
ControlStyles.SupportsTransparentBackColor,
true);
base.UpdateStyles();
}
public override Rectangle DisplayRectangle
{
get
{
Rectangle rect = base.DisplayRectangle;
return new Rectangle(rect.Left - 3, rect.Top - 3, rect.Width + 6, rect.Height + 5);
}
}
}
}