sample10.cs

C#函数手册

using System;
using System.Drawing;
using System.Windows.Forms;
using System.Drawing.Drawing2D;
public class testAnimateImage : Form 
{
	Bitmap testB = new Bitmap("C:\\w2k.jpg");
	bool flag = false;	
	private void OnFrameChanged(object o, EventArgs e) 
	{
		this.Invalidate();
	}
	protected override void OnPaint (PaintEventArgs e) 
	{
		Pen testP= new Pen(Color.Black, 5);   
		Pen testCP = (Pen)testP.Clone();
		//使用Clone方法创建此 Pen 对象的一个精确副本
		e.Graphics.DrawLine(testCP, 0, 0, 100, 100);
		Matrix testM = new Matrix();
		testM.Scale(3, 1);
		testP.MultiplyTransform (testM,MatrixOrder.Prepend);
		//使用MultiplyTransform方法用指定的 Matrix 乘以此Pen 对象的变换矩阵
		e.Graphics.DrawLine(testP, 20,10, 80, 10);
		e.Graphics.DrawRectangle(testP, 30, 20, 100, 100);
		testP.ScaleTransform(2, 1);
		//使用ScaleTransform方法按指定因子缩放局部几何变换
		testP.RotateTransform(90);
		//使用RotateTransform方法将局部几何变换旋转指定角度
		e.Graphics.DrawRectangle(testP, 140, 10, 100, 100);
		testP.ScaleTransform(2, 1);
		e.Graphics.DrawLine(testP, 10,60, 30, 200);
		testP.ResetTransform();
		//使用ResetTransform方法将此 Pen 对象的几何变换矩阵重置为单位矩阵
		e.Graphics.DrawLine(testP, 50, 0, 50, 60);
		testP.SetLineCap(LineCap.Flat, LineCap.Flat, DashCap.Flat);
		//使用SetLineCap方法设置用于确定帽样式的值
		e.Graphics.DrawLine(testP, 80, 20, 200, 10);
	} 

	public static void Main() 
	{
		Application.Run(new testAnimateImage());
	}

	private void InitializeComponent()
	{
		// 
		// testAnimateImage
		// 
		this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
		this.ClientSize = new System.Drawing.Size(292, 273);
		this.Name = "testAnimateImage";
		//this.Load += new System.EventHandler(this.testAnimateImage_Load);

	}
}