- public partial class RoundButton : Button
- {
- Rectangle r;
- private Brush _myBrush = null;
- private Color _color1 = System.Drawing.Color.FromArgb(255, 255, 192);
- private Color _color2 = System.Drawing.Color.FromArgb(0, 0, 192);
- [Category("设置"), Description("渐变开始颜色")]
- public Color color1
- {
- get { return _color1; }
- set { _color1 = value; }
- }
- [Category("设置"), Description("渐变结束颜色")]
- public Color color2
- {
- get { return _color2; }
- set { _color2 = value; }
- }
- public void ButtonNew()
- {
- r = new Rectangle(0, 0, 150, 80);
- _myBrush = new LinearGradientBrush(r, _color1, _color2, LinearGradientMode.Vertical);
- }
- public Brush MyBrush
- {
- get { return _myBrush; }
- set { _myBrush = value; }
- }
- protected override void OnResize(EventArgs e)
- {
- base.OnResize(e);
- r = new Rectangle(0, 0, this.Width, this.Height);
- _myBrush = new LinearGradientBrush(r, _color1, _color2, LinearGradientMode.Vertical);
- }
- protected override void OnMouseLeave(EventArgs e)
- {
- base.OnMouseLeave(e);
- r = new Rectangle(0, 0, this.Width, this.Height);
- _myBrush = new LinearGradientBrush(r, _color1, _color2, LinearGradientMode.Vertical);
- }
- protected override void OnMouseEnter(EventArgs e)
- {
- base.OnMouseEnter(e);
- r = new Rectangle(0, 0, this.Width, this.Height);
- _myBrush = new LinearGradientBrush(r, _color2, _color1, LinearGradientMode.Vertical);
- }
- protected override void OnPaint(PaintEventArgs pevent)
- {
- base.OnPaint(pevent);
- Graphics g = pevent.Graphics;
- g.FillRectangle(_myBrush, this.ClientRectangle);
- StringFormat strF = new StringFormat();
- strF.Alignment = StringAlignment.Center;
- strF.LineAlignment = StringAlignment.Center;
- g.DrawString(this.Text, this.Font, new SolidBrush(Color.Black), this.ClientRectangle, strF);
- }
- }
来源: http://www.bubuko.com/infodetail-2651324.html