一个自绘的导航栏控件

一个自绘的导航栏控件，类似WINDOWS的左侧导航栏

 

  1using System;
  2
  3using System.Collections.Generic;
  4
  5using System.ComponentModel;
  6
  7using System.Drawing;
  8
  9using System.Data;
 10
 11using System.Text;
 12
 13using System.Windows.Forms;
 14
 15using System.Drawing.Drawing2D;
 16
 17using System.Threading;
 18
 19 
 20
 21namespace ShadePanelControl
 22
 23{
 24
 25    public partial class ShadePanelControl : UserControl
 26
 27    {
 28
 29        private LinearGradientBrush lgBrush;
 30
 31        private Color startColor = Color.White;
 32
 33        private Color endColor = Color.Silver;
 34
 35        private Color frameColor = Color.Silver;
 36
 37        private string titleString = "标题一";
 38
 39        private int topPanelHeight = 20;
 40
 41        private Color titleStringColor = Color.Gray;
 42
 43        private bool beenExpand = false;
 44
 45        private int height;
 46
 47 
 48
 49        public int Height1
 50
 51        {
 52
 53            get { return this.Height; }
 54
 55            set
 56
 57            {
 58
 59                this.Height = value;
 60
 61                height = value;
 62
 63                this.Invalidate();
 64
 65            }
 66
 67        }
 68
 69 
 70
 71        [Category("TitleStringColor"), Description("标题颜色")]
 72
 73        public Color TitleStringColor
 74
 75        {
 76
 77            get { return titleStringColor; }
 78
 79            set
 80
 81            {
 82
 83                titleStringColor = value;
 84
 85                this.Invalidate();
 86
 87            }
 88
 89        }
 90
 91 
 92
 93 
 94
 95        Arribute Set Or Get#region Arribute Set Or Get
 96
 97        [Category("TopPanelHeight"), Description("标题高度")]
 98
 99        public int TopPanelHeight
100
101        {
102
103            get { return topPanelHeight; }
104
105            set
106
107            {
108
109                topPanelHeight = value;
110
111                panel_Top.Height = topPanelHeight;
112
113                this.Invalidate();
114
115            }
116
117        }
118
119        [Category("TitleString"), Description("标题")]
120
121        public string TitleString
122
123        {
124
125            get { return titleString; }
126
127            set
128
129            {
130
131                titleString = value;
132
133                this.Invalidate();
134
135            }
136
137        }
138
139        [Category("FrameColor"), Description("边框线的颜色")]
140
141        public Color FrameColor
142
143        {
144
145            get { return frameColor; }
146
147            set
148
149            {
150
151                frameColor = value;
152
153                this.Invalidate();
154
155            }
156
157        }
158
159 
160
161        [Category("EndColor"), Description("Panel的结束颜色")]
162
163        public Color EndColor
164
165        {
166
167            get { return endColor; }
168
169            set
170
171            {
172
173                endColor = value;
174
175                this.Invalidate();
176
177            }
178
179        }
180
181 
182
183        [Category("StartColor"), Description("Panel的起始颜色")]
184
185        public Color StartColor
186
187        {
188
189            get { return startColor; }
190
191            set
192
193            {
194
195                startColor = value;
196
197                this.Invalidate();
198
199            }
200
201        }
202
203        #endregion
204
205        public ShadePanelControl()
206
207        {
208
209            InitializeComponent();
210
211            this.height = this.Height;
212
213        }
214
215        protected override void OnPaint(PaintEventArgs e)
216
217        {
218
219            DrawPanel(e.Graphics);
220
221            DrawSolidLine(e.Graphics);
222
223            DrawTitleString(e.Graphics);
224
225            base.OnPaint(e);
226
227        }
228
229 
230
231        /**//// <summary>
232
233        /// 绘制渐变框
234
235        /// </summary>
236
237        /// <param name="g"></param>
238
239        private void DrawPanel(Graphics g)
240
241        {
242
243            Rectangle rect = new Rectangle(0, 0, this.Width, topPanelHeight);
244
245            lgBrush = new LinearGradientBrush(rect, startColor, endColor,
246
247                 LinearGradientMode.Vertical);
248
249            g.FillRectangle(lgBrush, rect);
250
251        }
252
253        /**//// <summary>
254
255        /// 绘制边框线
256
257        /// </summary>
258
259        /// <param name="g"></param>
260
261        private void DrawSolidLine(Graphics g)
262
263        {
264
265            Rectangle rec = new Rectangle(0, 0, this.Width - 1, this.Height - 1);
266
267            Pen pen = new Pen(frameColor, 1);
268
269            g.DrawRectangle(pen, rec);
270
271            pen.Dispose();
272
273        }
274
275        /**//// <summary>
276
277        ///绘制PANEL_MAIN的边框
278
279        /// </summary>
280
281        /// <param name="sender"></param>
282
283        /// <param name="e"></param>
284
285        private void panel_Main_Paint(object sender, PaintEventArgs e)
286
287        {
288
289            Rectangle rec = new Rectangle(0, 0, panel_Main.Width - 1, panel_Main.Height - 1);
290
291            Pen pen = new Pen(frameColor, 1);
292
293            e.Graphics.DrawRectangle(pen, rec);
294
295            pen.Dispose();
296
297        }
298
299        /**//// <summary>
300
301        /// 绘制标题文本
302
303        /// </summary>
304
305        /// <param name="g"></param>
306
307        private void DrawTitleString(Graphics g)
308
309        {
310
311            Font font = new Font("宋体", 9);
312
313            int offset = (panel_Top.Height - 9) / 2;
314
315            Rectangle rec = new Rectangle(5, offset, this.panel_Top.Width - 10, 20);
316
317            g.DrawString(titleString, font, new SolidBrush(titleStringColor), rec);
318
319            font.Dispose();
320
321        }
322
323        /**//// <summary>
324
325        /// 主面板收缩或展开
326
327        /// </summary>
328
329        private void Expand()
330
331        {
332
333            if (!beenExpand)
334
335            {
336
337                this.Height -= this.height - panel_Top.Height;
338
339                pictureBox1.Image = global::ShadePanelControl.Resource1.Expand2;
340
341                beenExpand = true;
342
343                this.Invalidate();
344
345            }
346
347            else
348
349            {
350
351                this.Height += this.height - panel_Top.Height;
352
353                pictureBox1.Image = global::ShadePanelControl.Resource1.Expand;
354
355                this.Invalidate();
356
357                beenExpand = false;
358
359            }
360
361        }
362
363 
364
365        private void panel_Top_Click(object sender, EventArgs e)
366
367        {
368
369            Expand();
370
371        }
372
373    }
374
375}
376

以下是运行的界面,里面的容器还没有加上去，有兴趣的朋友自己加下。。