本文实例讲述了winform创建不规则窗体的方法。分享给大家供大家参考。具体如下:
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using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using Microsoft.Win32;
using System.Drawing.Drawing2D;
using System.IO;
namespace WindowsApplication2
{
public partial class Form3 : Form
{
public Form3()
{
InitializeComponent();
this .FormBorderStyle = FormBorderStyle.None;
ColorConverter colorconvert = new ColorConverter();
this .BackColor = (Color)colorconvert.ConvertFromString( "window" );
this .TransparencyKey = (Color)colorconvert.ConvertFromString( "window" );
}
private void button1_Click( object sender, EventArgs e)
{
this .Close();
}
protected override void OnPaint(PaintEventArgs e)
{
Graphics g = e.Graphics;
Rectangle mainRect = new Rectangle(0, 0, 695, 278);
Region mainRegion = new Region(mainRect);
e.Graphics.SetClip(mainRegion, CombineMode.Replace);
//设置窗体的外观形式
Point point1 = new Point(0, 32);
Point point2 = new Point(9, 20);
Point point3 = new Point(21, 13);
Point point4 = new Point(34, 9);
// 创建一个以点为元素的数组
Point[] curvePoints = { point1, point2, point3, point4 };
// 创建一个GraphicsPath 对象并添加一条曲线
GraphicsPath gPath = new GraphicsPath();
gPath.AddCurve(curvePoints, 0, 3, 0.8f);
gPath.AddLine(36, 9, 378, 9);
point1.X = 378; point1.Y = 9;
point2.X = 387; point2.Y = 5;
point3.X = 394; point3.Y = 0;
Point[] curvePoints2 = { point1, point2, point3 };
gPath.AddCurve(curvePoints2, 0, 2, 0.8f);
gPath.AddLine(394, 0, 0, 0);
Region rg = new Region(gPath);
e.Graphics.ExcludeClip(rg);
//可以为任意图片
string str = Directory.GetCurrentDirectory() + "\\2.png" ;
Image img = Image.FromFile(str);
e.Graphics.DrawImage(img, 0, 0, 695, 278);
// 重设剪切好的区域
e.Graphics.ResetClip();
}
}
}
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希望本文所述对大家的C#程序设计有所帮助。