winform基本图形绘制(直线，矩形，圆形，扇形，弧线，多边形)资源-CSDN下载

共37个文件

cs：10个

resources：6个

cache：5个

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winform

图形绘制

Graphics

159 浏览量 2024-05-21 18:00:03 上传评论收藏 774KB RAR 举报

在Windows Forms（Winform）开发中，我们常常需要进行基本的图形绘制，以创建自定义控件或实现特定的界面效果。本节将详细介绍如何利用C#和.NET Framework中的Graphics类来绘制直线、矩形、圆形、扇形、弧线以及多边形。一、Graphics类的使用 Graphics类是System.Drawing命名空间下的核心类，它提供了丰富的绘图功能。要使用Graphics类，首先需要获取一个Graphics对象，通常可以从Control或Form实例中获取，如`this.CreateGraphics()`或`pictureBox1.CreateGraphics()`。获取到Graphics对象后，就可以调用它的各种绘图方法。二、直线的绘制使用Graphics类的DrawLine()方法可以绘制直线。例如，以下代码将绘制一条从点(10, 10)到点(100, 100)的红色直线： ```csharp Pen pen = new Pen(Color.Red); graphics.DrawLine(pen, 10, 10, 100, 100); ``` 三、矩形的绘制 Graphics类提供了DrawRectangle()方法来绘制矩形。以下代码将绘制一个左上角位于(20, 20)，宽高为80x80的蓝色矩形： ```csharp Pen pen = new Pen(Color.Blue, 2); Rectangle rect = new Rectangle(20, 20, 80, 80); graphics.DrawRectangle(pen, rect); ``` 四、圆形与椭圆的绘制 DrawEllipse()方法用于绘制圆形或椭圆。以下代码将绘制一个半径为50的绿色圆形： ```csharp Pen pen = new Pen(Color.Green); int x = 50, y = 50, radius = 50; graphics.DrawEllipse(pen, x - radius, y - radius, 2 * radius, 2 * radius); ``` 五、扇形与弧线的绘制扇形和弧线可以通过DrawPie()和DrawArc()方法实现。DrawPie()绘制的是一个饼形区域，而DrawArc()绘制的是一个弧线。以下代码将绘制一个30度至120度的红色扇形： ```csharp Pen pen = new Pen(Color.Red); Rectangle rect = new Rectangle(100, 100, 100, 100); graphics.DrawPie(pen, rect, 30, 90); ``` 而DrawArc()则可以这样绘制一个30度至120度的弧线： ```csharp Pen pen = new Pen(Color.Purple); graphics.DrawArc(pen, 100, 100, 100, 100, 30, 90); ``` 六、多边形的绘制多边形的绘制需要使用DrawPolygon()方法。首先创建一个Point数组，存储多边形的顶点，然后传入该数组。以下代码将绘制一个由(10, 10)、(50, 10)、(50, 50)和(10, 50)四个点构成的黄色三角形： ```csharp Pen pen = new Pen(Color.Yellow); Point[] points = { new Point(10, 10), new Point(50, 10), new Point(50, 50), new Point(10, 50) }; graphics.DrawPolygon(pen, points); ``` 在实际应用中，我们可能需要根据需求调整线条样式、颜色、填充色等属性，或者结合其他控件（如PictureBox）来实现更复杂的图形效果。通过深入理解Graphics类及相关的图形绘制方法，开发者可以创造出丰富多彩的Winform应用程序界面。提供的"WinformDemo.sln"和"WinformDemo"文件应该包含示例代码，可以帮助你更好地理解和实践这些图形绘制技术。

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收起资源包目录

ShapeDemo.rar （37个子文件）

WinformDemo.sln 1KB

WinformDemo

MainForm.resx 6KB

App.config 189B

FormHelper.cs 227B

Shape

ShapeForm.cs 4KB

ShapeForm.Designer.cs 3KB

ShapeForm.resx 6KB

obj

Debug

WinformDemo.DatagridView_CustomControl.resources 180B

WinformDemo.csproj.GenerateResource.cache 2KB

WinformDemo.exe 250KB

WinformDemo.TabControlDemo.resources 180B

WinformDemo.csproj.AssemblyReference.cache 11B

WinformDemo.MainForm.resources 180B

WinformDemo.csproj.FileListAbsolute.txt 4KB

WinformDemo.csproj.CoreCompileInputs.cache 42B

DesignTimeResolveAssemblyReferencesInput.cache 7KB

TempPE

Properties.Resources.Designer.cs.dll 4KB

WinformDemo.Properties.Resources.resources 238KB

WinformDemo.pdb 44KB

WinformDemo.DatagridViewDemo.resources 180B

.NETFramework,Version=v4.7.2.AssemblyAttributes.cs 214B

WinformDemo.ShapeForm.resources 180B

DesignTimeResolveAssemblyReferences.cache 1KB

MainForm.Designer.cs 3KB

bin

Release

Debug

WinformDemo.exe.config 189B

WinformDemo.exe 250KB

WinformDemo.pdb 44KB

Properties

Resources.Designer.cs 4KB

Settings.Designer.cs 1KB

Settings.settings 249B

AssemblyInfo.cs 1KB

Resources.resx 6KB

MainForm.cs 3KB

Program.cs 526B

Resources

back2.jpg 15KB

back1.jpg 36KB

WinformDemo.csproj 4KB

E:\Hang\Projects\Winform\WinformDemo\WinformDemo\bin\Debug\WinformDemo.exe.config E:\Hang\Projects\Winform\WinformDemo\WinformDemo\bin\Debug\WinformDemo.exe E:\Hang\Projects\Winform\WinformDemo\WinformDemo\bin\Debug\WinformDemo.pdb E:\Hang\Projects\Winform\WinformDemo\WinformDemo\obj\Debug\WinformDemo.Form1.resources E:\Hang\Projects\Winform\WinformDemo\WinformDemo\obj\Debug\WinformDemo.Properties.Resources.resources E:\Hang\Projects\Winform\WinformDemo\WinformDemo\obj\Debug\WinformDemo.csproj.GenerateResource.cache E:\Hang\Projects\Winform\WinformDemo\WinformDemo\obj\Debug\WinformDemo.csproj.CoreCompileInputs.cache E:\Hang\Projects\Winform\WinformDemo\WinformDemo\obj\Debug\WinformDemo.exe E:\Hang\Projects\Winform\WinformDemo\WinformDemo\obj\Debug\WinformDemo.pdb E:\Hang\Projects\Winform\WinformDemo\WinformDemo\obj\Debug\WinformDemo.CustomControl1.resources E:\Hang\Projects\Winform\WinformDemo\WinformDemo\obj\Debug\WinformDemo.PictureBoxDemo.resources E:\Hang\Projects\Winform\WinformDemo\WinformDemo\obj\Debug\WinformDemo.DatagridViewDemo.resources E:\Hang\Projects\Winform\WinformDemo\WinformDemo\obj\Debug\WinformDemo.TabControlDemo.resources E:\Hang\Projects\Winform\WinformDemo\WinformDemo\obj\Debug\WinformDemo.TableLayerpanelDemo.resources E:\Hang\Projects\Winform\WinformDemo\WinformDemo\obj\Debug\WinformDemo.DatagridView_CustomControl.resources E:\Hang\Projects\Winform\WinformDemo\WinformDemo\obj\Debug\WinformDemo.DataviewColumnControl.resources E:\Hang\Projects\Winform\WinformDemo\WinformDemo\obj\Debug\WinformDemo.csproj.AssemblyReference.cache E:\Hang\Projects\Demo\WinformDemo\WinformDemo\bin\Debug\WinformDemo.exe.config E:\Hang\Projects\Demo\WinformDemo\WinformDemo\bin\Debug\WinformDemo.exe E:\Hang\Projects\Demo\WinformDemo\WinformDemo\bin\Debug\WinformDemo.pdb E:\Hang\Projects\Demo\WinformDemo\WinformDemo\obj\Debug\WinformDemo.csproj.AssemblyReference.cache E:\Hang\Projects\Demo\WinformDemo\WinformDemo\obj\Debug\WinformDemo.DatagridView_CustomControl.resources E:\Hang\Projects\Demo\WinformDemo\WinformDemo\obj\Debug\WinformDemo.DatagridViewDemo.resources E:\Hang\Projects\Demo\WinformDemo\WinformDemo\obj\Debug\WinformDemo.ShapeForm.resources E:\Hang\Projects\Demo\WinformDemo\WinformDemo\obj\Debug\WinformDemo.Properties.Resources.resources E:\Hang\Projects\Demo\WinformDemo\WinformDemo\obj\Debug\WinformDemo.TabControlDemo.resources E:\Hang\Projects\Demo\WinformDemo\WinformDemo\obj\Debug\WinformDemo.csproj.GenerateResource.cache E:\Hang\Projects\Demo\WinformDemo\WinformDemo\obj\Debug\WinformDemo.csproj.CoreCompileInputs.cache E:\Hang\Projects\Demo\WinformDemo\WinformDemo\obj\Debug\WinformDemo.exe E:\Hang\Projects\Demo\WinformDemo\WinformDemo\obj\Debug\WinformDemo.pdb E:\Hang\Projects\Demo\WinformDemo\WinformDemo\obj\Debug\WinformDemo.MainForm.resources C:\Users\zhouhang\Desktop\WinformDemo\WinformDemo\bin\Debug\WinformDemo.exe.config C:\Users\zhouhang\Desktop\WinformDemo\WinformDemo\bin\Debug\WinformDemo.exe C:\Users\zhouhang\Desktop\WinformDemo\WinformDemo\bin\Debug\WinformDemo.pdb C:\Users\zhouhang\Desktop\WinformDemo\WinformDemo\obj\Debug\WinformDemo.csproj.AssemblyReference.cache C:\Users\zhouhang\Desktop\WinformDemo\WinformDemo\obj\Debug\WinformDemo.MainForm.resources C:\Users\zhouhang\Desktop\WinformDemo\WinformDemo\obj\Debug\WinformDemo.ShapeForm.resources C:\Users\zhouhang\Desktop\WinformDemo\WinformDemo\obj\Debug\WinformDemo.Properties.Resources.resources C:\Users\zhouhang\Desktop\WinformDemo\WinformDemo\obj\Debug\WinformDemo.csproj.GenerateResource.cache C:\Users\zhouhang\Desktop\WinformDemo\WinformDemo\obj\Debug\WinformDemo.csproj.CoreCompileInputs.cache C:\Users\zhouhang\Desktop\WinformDemo\WinformDemo\obj\Debug\WinformDemo.exe C:\Users\zhouhang\Desktop\WinformDemo\WinformDemo\obj\Debug\WinformDemo.pdb

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