Csharp/C Sharp/2D Graphics/Dash Pen
Содержание
All dash styles
<source lang="csharp"> using System; using System.Collections.Generic; using System.ruponentModel; using System.Data; using System.Drawing; using System.Text; using System.Windows.Forms; using System.Windows.Forms.VisualStyles; using System.Drawing.Drawing2D; public class Form1 : Form {
public Form1() {
InitializeComponent();
}
private void SimpleStyleRenderer_Paint(object sender, PaintEventArgs e)
{
Pen myPen = new Pen(Color.Blue, 10);
int y = 20;
foreach (DashStyle dash in Enum.GetValues(typeof(DashStyle)))
{
myPen.DashStyle = dash;
e.Graphics.DrawLine(myPen, 20, y, 100, y);
e.Graphics.DrawString(dash.ToString(), new Font("Tahoma", 8), Brushes.Black, 120, y - 10);
y += 30;
}
y += 10;
myPen.StartCap = LineCap.Round;
myPen.EndCap = LineCap.Round;
foreach (DashStyle dash in System.Enum.GetValues(typeof(DashStyle)))
{
myPen.DashStyle = dash;
e.Graphics.DrawLine(myPen, 20, y, 100, y);
e.Graphics.DrawString(dash.ToString() + " (with round caps)", new Font("Tahoma", 8), Brushes.Black, 120, y - 10);
y += 30;
}
}
private void InitializeComponent()
{
this.SuspendLayout();
//
// SimpleStyleRenderer
//
this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
this.ClientSize = new System.Drawing.Size(384, 353);
this.Name = "SimpleStyleRenderer";
this.Text = "SimpleStyleRenderer";
this.Paint += new System.Windows.Forms.PaintEventHandler(this.SimpleStyleRenderer_Paint);
this.ResumeLayout(false);
}
[STAThread]
static void Main()
{
Application.EnableVisualStyles();
Application.Run(new Form1());
}
}
</source>
Draw Polygon with dashed pen
<source lang="csharp">
using System;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Collections;
using System.ruponentModel;
using System.Windows.Forms;
using System.Data;
public class MainForm : System.Windows.Forms.Form
{
public MainForm()
{
InitializeComponent();
CenterToScreen();
SetStyle(ControlStyles.ResizeRedraw, true);
}
private void InitializeComponent()
{
this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
this.ClientSize = new System.Drawing.Size(292, 273);
this.Text = "Pens...";
this.Resize += new System.EventHandler(this.Form1_Resize);
this.Paint += new System.Windows.Forms.PaintEventHandler(this.MainForm_Paint);
}
static void Main()
{
Application.Run(new MainForm());
}
private void MainForm_Paint(object sender, System.Windows.Forms.PaintEventArgs e)
{
Graphics g = e.Graphics;
// Draw a pruple dashed polygon as well...
Pen pen3 = new Pen(Color.Purple, 5);
pen3.DashStyle = DashStyle.DashDotDot;
g.DrawPolygon(pen3, new Point[]{new Point(30, 140),
new Point(265, 200),
new Point(100, 225),
new Point(190, 190),
new Point(50, 330),
new Point(20, 180)} );
}
private void Form1_Resize(object sender, System.EventArgs e)
{
Invalidate();
}
}
</source>
Pen dash pattern
<source lang="csharp">
using System;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Collections;
using System.ruponentModel;
using System.Windows.Forms;
using System.Data;
public class Form1 : System.Windows.Forms.Form
{
public Form1()
{
InitializeComponent();
}
private void InitializeComponent()
{
this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
this.ClientSize = new System.Drawing.Size(292, 273);
this.Text = "";
this.Resize += new System.EventHandler(this.Form1_Resize);
this.Paint += new System.Windows.Forms.PaintEventHandler(this.Form1_Paint);
}
static void Main()
{
Application.Run(new Form1());
}
private void Form1_Paint(object sender, System.Windows.Forms.PaintEventArgs e)
{
Graphics g = e.Graphics;
g.FillRectangle(Brushes.White, this.ClientRectangle);
Pen p = new Pen(Color.Black, 1);
// The following line creates the custom dash pattern:
float[] f = { 15, 5, 10, 5 };
p.DashPattern = f;
g.DrawRectangle(p, 10, 10, 80, 100);
p.Dispose();
}
private void Form1_Resize(object sender, System.EventArgs e)
{
Invalidate();
}
}
</source>
Pen dash style
<source lang="csharp">
using System;
using System.Drawing;
using System.Collections;
using System.ruponentModel;
using System.Windows.Forms;
using System.Data;
public class Form1 : System.Windows.Forms.Form
{
private System.ruponentModel.Container components;
public Form1()
{
InitializeComponent();
SetStyle(ControlStyles.ResizeRedraw, true);
}
protected override void Dispose( bool disposing )
{
if( disposing )
{
if (components != null)
{
components.Dispose();
}
}
base.Dispose( disposing );
}
private void InitializeComponent()
{
this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
this.ClientSize = new System.Drawing.Size(211, 104);
this.Text = "A Form with Style!";
this.Paint += new System.Windows.Forms.PaintEventHandler(this.Form1_Paint);
}
[STAThread]
static void Main()
{
Application.Run(new Form1());
}
private void Form1_Paint(object sender, System.Windows.Forms.PaintEventArgs e)
{
Pen customDashPen = new Pen(Color.Black, 10);
float[] myDashes = {5.0f, 2.0f, 1.0f, 3.0f};
customDashPen.DashPattern = myDashes;
e.Graphics.DrawRectangle(customDashPen, ClientRectangle);
}
}
</source>
Pen Dash style: dash
<source lang="csharp">
using System;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Collections;
using System.ruponentModel;
using System.Windows.Forms;
using System.Data;
public class Form1 : System.Windows.Forms.Form
{
public Form1()
{
InitializeComponent();
}
private void InitializeComponent()
{
this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
this.ClientSize = new System.Drawing.Size(292, 273);
this.Text = "";
this.Resize += new System.EventHandler(this.Form1_Resize);
this.Paint += new System.Windows.Forms.PaintEventHandler(this.Form1_Paint);
}
static void Main()
{
Application.Run(new Form1());
}
private void Form1_Paint(object sender, System.Windows.Forms.PaintEventArgs e)
{
Graphics g = e.Graphics;
g.FillRectangle(Brushes.White, this.ClientRectangle);
Pen p = new Pen(Color.Black, 1);
p.DashStyle = DashStyle.Dash;
g.DrawLine(p, 3, 3, 100, 3);
p.Dispose();
}
private void Form1_Resize(object sender, System.EventArgs e)
{
Invalidate();
}
}
</source>
