в 15:31, 26 мая 2010

2010-05-26T15:31:35Z

Admin: 1 версия

2010-05-26T12:11:25Z

1 версия

Новая страница

==new Pen(Color.Black, 2)==

<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
{
private Image bMapImageA = new Bitmap("winter.jpg");
private Image bMapImageB = new Bitmap("winter.jpg");
private Image bMapImageC = new Bitmap("winter.jpg");
private Rectangle rectA = new Rectangle(10, 10, 90, 90);
private Rectangle rectB = new Rectangle(10, 110, 90, 90);
private Rectangle rectC = new Rectangle(10, 210, 90, 90);
private bool isImageClicked = false;
private int imageClicked;
public Form1()
{
InitializeComponent();
CenterToScreen();
}
private void InitializeComponent()
{
this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
this.ClientSize = new System.Drawing.Size(292, 273);
this.Text = "Form1";
this.MouseUp += new System.Windows.Forms.MouseEventHandler(this.Form1_MouseUp);
this.Paint += new System.Windows.Forms.PaintEventHandler(this.Form1_Paint);
}
static void Main()
{
Application.Run(new Form1());
}
private void Form1_MouseUp(object sender, System.Windows.Forms.MouseEventArgs e)
{
Point mousePt = new Point(e.X, e.Y);
if(rectA.Contains(mousePt)) {
isImageClicked = true;
imageClicked = 0;
this.Text = "You clicked image A";
} else if(rectB.Contains(mousePt)) {
isImageClicked = true;
imageClicked = 1;
this.Text = "You clicked image B";
} else if(rectC.Contains(mousePt)) {
isImageClicked = true;
imageClicked = 2;
this.Text = "You clicked image C";
} else {
isImageClicked = false;
this.Text = "Images";
}
Invalidate();
}
private void Form1_Paint(object sender, System.Windows.Forms.PaintEventArgs e)
{
Graphics g = e.Graphics;
g.DrawImage(bMapImageA, rectA);
g.DrawImage(bMapImageB, rectB);
g.DrawImage(bMapImageC, rectC);
if(isImageClicked == true) {
Pen outline = new Pen(Color.Black, 2);
switch(imageClicked) {
case 0:
g.DrawRectangle(outline, rectA);
break;
case 1:
g.DrawRectangle(outline, rectB);
break;
case 2:
g.DrawRectangle(outline, rectC);
break;
default:
break;
}
}
}
}

</source>

==new Pen(ForeColor)==

<source lang="csharp">
using System;
using System.Drawing;
using System.Windows.Forms;

class XMarksTheSpot: Form
{
public static void Main()
{
Application.Run(new XMarksTheSpot());
}
public XMarksTheSpot()
{
Text = "X Marks The Spot";
ResizeRedraw = true;
}
protected override void OnPaint(PaintEventArgs pea)
{
Graphics grfx = pea.Graphics;
Pen pen = new Pen(ForeColor);

grfx.DrawLine(pen, 0, 0,
ClientSize.Width - 1, ClientSize.Height - 1);
grfx.DrawLine(pen, 0, ClientSize.Height - 1,
ClientSize.Width - 1, 0);
}
}

</source>

==Pen.DashCap.Triangle==

<source lang="csharp">
/*
GDI+ Programming in C# and VB .NET
by Nick Symmonds
Publisher: Apress
ISBN: 159059035X
*/
using System;
using System.Drawing;
using System.Collections;
using System.ruponentModel;
using System.Windows.Forms;
using System.Data;
namespace PenProps_c
{
public class PenProps : System.Windows.Forms.Form
{
private System.Windows.Forms.Label lblType;
private System.ruponentModel.Container components = null;
public PenProps()
{
this.lblType = new System.Windows.Forms.Label();
this.SuspendLayout();
this.lblType.BorderStyle = System.Windows.Forms.BorderStyle.Fixed3D;
this.lblType.Location = new System.Drawing.Point(56, 184);
this.lblType.Name = "lblType";
this.lblType.Size = new System.Drawing.Size(328, 16);
this.lblType.TabIndex = 0;
this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
this.ClientSize = new System.Drawing.Size(464, 237);
this.Controls.AddRange(new System.Windows.Forms.Control[] {
this.lblType});
this.Name = "PenProps";
this.Text = "PenProps";
this.Load += new System.EventHandler(this.PenProps_Load);
this.ResumeLayout(false);
}
static void Main()
{
Application.Run(new PenProps());
}
private void PenProps_Load(object sender, System.EventArgs e)
{

}
protected override void OnPaint(PaintEventArgs e)
{
Graphics G = e.Graphics;
// Pen P1=new Pen(Color.Blue, 10);
//
// G.DrawLine(P1, 20, this.Height/2, this.Width - 20, this.Height/2);
//
// //Change color and width
// P1.Color=Color.DarkOrange;
// P1.Width=5;
// G.DrawLine(P1, 20, this.Height/2, this.Width - 20, this.Height/2);
// P1.Width=20;
//
// //Change brush
// Pen P2=new Pen(Color.Blue, 10);
// G.DrawLine(P2, 20, this.Height/3, this.Width - 20, this.Height/3);
// P2.Brush=new TextureBrush(new Bitmap("colorbars.jpg"));
// G.DrawLine(P2, 20, this.Height/2, this.Width - 20, this.Height/2);
// P1.Dispose();
Pen P2=new Pen(Color.Blue, 10);
float[] Pts = {3, 1, 2, 5};
P2.DashStyle=System.Drawing.Drawing2D.DashStyle.Dash;
P2.DashPattern=Pts;
//" P2.DashOffset=40;
P2.DashCap=System.Drawing.Drawing2D.DashCap.Triangle;
P2.StartCap = System.Drawing.Drawing2D.LineCap.Round;
P2.EndCap = System.Drawing.Drawing2D.LineCap.ArrowAnchor;
G.DrawLine(P2, 20, this.Height/2, this.Width - 20, this.Height/2);
//pentype
G.Clear(Color.Khaki);
Pen P3=new Pen(Color.Blue, 10);
P3.Brush=new TextureBrush(new Bitmap("colorbars.jpg"));
G.DrawLine(P3, 20, this.Height/2, this.Width - 20, this.Height/2);
lblType.Text = "PenType is " + P3.PenType.ToString();
//Compoundarray
P3.Dispose();
G.Clear(Color.Khaki);
Single[] lines = {0.0f, 0.1f, 0.9f, 1.0f};
P3=new Pen(Color.Blue, 20);
P3.rupoundArray=lines;
G.DrawLine(P3, 20, this.Height/2, this.Width - 20, this.Height/2);
//pens class
P3.Dispose();
G.Clear(Color.Khaki);
P3 = Pens.LightSlateGray;
G.DrawLine(P3, 20, this.Height/2, this.Width - 20, this.Height/2);
G.DrawLine(Pens.Violet, 20, this.Height/2,
this.Width - 20, this.Height/2);
if (P2 != null)
P2.Dispose();
}
}
}

</source>

==Pen.DashPattern==

<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;
public class Form1 : Form {
protected override void OnPaint(PaintEventArgs e) {
Graphics g = e.Graphics;
g.FillRectangle(Brushes.White, this.ClientRectangle);
Pen p = new Pen(Color.Black, 1);
float[] f = { 15, 5, 10, 5 };
p.DashPattern = f;
g.DrawRectangle(p, 10, 10, 80, 100);
p.Dispose();
}
public static void Main() {
Application.Run(new Form1());
}
}

</source>

==Pen.DashStyle==

<source lang="csharp">
using System;
using System.Drawing;
using System.Collections;
using System.ruponentModel;
using System.Windows.Forms;
using System.Data;
using System.Drawing.Drawing2D;

public class Form1 : System.Windows.Forms.Form {
[STAThread]
static void Main() {
Application.Run(new Form1());
}
protected override void OnPaint(PaintEventArgs e) {
Pen p = new Pen(Color.HotPink, 10);
p.DashStyle = DashStyle.DashDot;
Graphics g = this.CreateGraphics();
g.DrawEllipse(p, 10, 15, 105, 250);
}
}

</source>

==Pen.Dispose()==

<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;
public class Form1 : Form {
protected override void OnPaint(PaintEventArgs e) {
Graphics g = e.Graphics;
g.FillRectangle(Brushes.White, this.ClientRectangle);
Pen p = new Pen(Color.Black);
g.DrawLine(p, 0, 0, 100, 100);
p.Dispose();
}
public static void Main() {
Application.Run(new Form1());
}
}

</source>

==Pen.LineJoin==

<source lang="csharp">
using System;
using System.Collections.Generic;
using System.ruponentModel;
using System.Data;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Text;
using System.Windows.Forms;
public class Form1 : Form {
protected override void OnPaint(PaintEventArgs e) {
Graphics g = e.Graphics;
g.SmoothingMode = SmoothingMode.AntiAlias;
g.FillRectangle(Brushes.White, this.ClientRectangle);
Pen p = new Pen(Color.Black, 10);
p.LineJoin = LineJoin.Bevel;
e.Graphics.DrawRectangle(p, 20, 20, 60, 60);
p.Dispose();
}
public static void Main() {
Application.Run(new Form1());
}
}

</source>

==Pen.StartCap==

<source lang="csharp">
using System;
using System.Drawing;
using System.Collections;
using System.ruponentModel;
using System.Windows.Forms;
using System.Data;
using System.Drawing.Drawing2D;
public class Form1 : System.Windows.Forms.Form {
[STAThread]
static void Main() {
Application.Run(new Form1());
}
protected override void OnPaint(PaintEventArgs e) {
Graphics g = e.Graphics;
Pen p = new Pen(Color.Brown, 15);
p.StartCap = LineCap.SquareAnchor;
p.EndCap = LineCap.SquareAnchor;
g.DrawLine(p, 30, 190, Width - 50, 190);
}
}

</source>

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Csharp/C Sharp by API/System.Drawing/Pen - История изменений

в 15:31, 26 мая 2010

Admin: 1 версия