[C# Winform 7강] GDI+ Pen

Pen vs Pens

 

Pen → 생성

Pens → 기본 제공 펜

 

Pen 생성자

Pen(Brush), Pen(Color)

Pen(Brush, Single), Pen(Color, Single)

 

Pen 해제

Dispose()

 

Pen과 Pens 사용 예

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace WindowsFormsApp1
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void Form1_Paint(object sender, PaintEventArgs e)
        {
            Color myColor = Color.FromArgb(255, 0, 0);
            Pen newPen = new Pen(myColor);

            newPen.Width = 5.0f; // new Pen(myColor, 5.0f);
            e.Graphics.DrawLine(newPen, 10, 10, 100, 10);
            e.Graphics.DrawLine(Pens.Blue, 10, 20, 100, 20);
            newPen.Dispose();

        }
    }
}

 

펜 스타일

 

• DashStyle 속성 사용

public System.Drawing.Drawing2D.DashStyle DashStyle { get; set; }

using System.Drawing.Drawing2D 선언

 

• DashStyle 열거형 리턴

Custom

Dash

DashDot

DashDotDot

Dot

Solid

 

• DashDot와 Dot 선 스타일 지정, 너비 3으로 설정

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace WindowsFormsApp1
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void Form1_Paint(object sender, PaintEventArgs e)
        {
            Pen myPen = new Pen(Color.Black, 3.0f);
            myPen.DashStyle = DashStyle.DashDot;
            e.Graphics.DrawLine(myPen, 10, 10, 200, 10);
            myPen.DashStyle = DashStyle.Dot;
            e.Graphics.DrawLine(myPen, 10, 20, 200, 20);

        }
    }
}