自定义控件使用GDI+绘制旋转Label文字

http://www.cnblogs.com/CUIT-DX037/

1.添加用户控件：

2.添加代码：

 1     public partial class UcLabel : UserControl
 2     {
 3         public enum TextDirection
 4         {
 5             Default = 0,
 6             West = 1,
 7             North = 2,
 8             East = 3,
 9             South
10         }
11 
12         [Browsable(true),Description("显示的文本内容")]
13         public string UcText{ get; set; }
14 
15         [Browsable(true), Description("显示文本的方向")]
16         public TextDirection UcDirection { get; set; }
17 
18 
19         public UcLabel()
20         {
21             InitializeComponent();
22             // 默认值
23             this.UcText = "UcText";
24             this.UcDirection = TextDirection.Default;
25         }
26 
27         protected override void OnPaint(PaintEventArgs e)
28         {
29             base.OnPaint(e);
30             //添加引用 using System.Drawing.Drawing2D;
31             Graphics g = this.CreateGraphics();
32             g.SmoothingMode = SmoothingMode.AntiAlias;
33             g.RotateTransform(((int)this.UcDirection) * 90); // 旋转
34             switch (this.UcDirection)
35             {
36                 case TextDirection.East:
37                     g.TranslateTransform(-this.Height, 0);
38                     break;                   
39                 case TextDirection.North:
40                     g.TranslateTransform(-this.Width, -this.Height);
41                     break;
42                 case TextDirection.West:
43                     g.TranslateTransform(0, -this.Width);
44                     break;
45                 default:
46                     break;
47             }
48             g.DrawString(this.UcText, base.Font, new SolidBrush(base.ForeColor), 0, 0);
49         }
50     }

3.应用：

posted on 2017-05-02 15:49 云梦鸿阅读(1779) 评论(0) 编辑收藏举报