第二问，实现图像的平移，为什么会提示initilize..does ont exit..

Question

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Text;
using System.Windows.Forms;
namespace Example
{
public partial class Form1:Form
{
public void  From1()
{
//InitializeComponent();
this.BackColor=Color.White;
this.Width=300;
this.Height=500;
//return 0;
}
protected override void OnPaint(PaintEventArgs e)
{
Graphics g=e.Graphics;
int offset=20;
//缩放
Matrix m=new Matrix(1,2,3,4,0,1);
g.DrawString("Original Matrix:",this.Font,Brushes.Blue,10,10);
DrawMatrix(m,g,10,10+offset);
g.DrawString("Scale-Prepend:",this.Font,Brushes.Blue,10,10+2*offset);
m.Scale(1,0.5f,MatrixOrder.Prepend);
DrawMatrix(m,g,10,10+3*offset);
g.DrawString("Scale-Append:",this.Font,Brushes.Blue,10,10+4*offset);
m=new Matrix(1,2,3,4,0,1);
m.Scale(1,0.5f,MatrixOrder.Append);
DrawMatrix(m,g,10,10+5*offset);

//平移
m=new Matrix(1,2,3,4,0,1);
g.DrawString("Translation-Prepend:",this.Font,Brushes.Blue,10,10+6*offset);
m.Translate(1,0.5f,MatrixOrder.Prepend);
DrawMatrix(m,g,10,10+7*offset);
g.DrawString("Translation-Append:",this.Font,Brushes.Blue,10,10+8*offset);
//将m重置为原始矩阵
m=new Matrix(1,2,3,4,0,1);
m.Translate(1,0.5f,MatrixOrder.Append);
DrawMatrix(m,g,10,10+9*offset);

//旋转
m=new Matrix(1,2,3,4,0,1);
g.DrawString("Rotation-Prepend:",this.Font,Brushes.Blue,10,10+10*offset);
m.Rotate(45,MatrixOrder.Prepend);
DrawMatrix(m,g,10,10+11*offset);
g.DrawString("Rotation-Append:",this.Font,Brushes.Blue,10,10+12*offset);
//将m重置为原始矩阵
m=new Matrix(1,2,3,4,0,1);
m.Rotate(45,MatrixOrder.Append);
DrawMatrix(m,g,10,10+13*offset);

//在（x=1,y=2）处旋转
m=new Matrix(1,2,3,4,0,1);
g.DrawString("Rotation at-Prepend:",this.Font,Brushes.Blue,10,10+14*offset);
m.RotateAt(45,new PointF(1,2),MatrixOrder.Prepend);
DrawMatrix(m,g,10,10+15*offset);
g.DrawString("Rotation at-Append:",this.Font,Brushes.Blue,10,10+16*offset);
//将m重置为原始矩阵
m=new Matrix(1,2,3,4,0,1);
m.RotateAt(45,new PointF(1,2),MatrixOrder.Append);
DrawMatrix(m,g,10,10+17*offset);

//切变
m=new Matrix(1,2,3,4,0,1);
g.DrawString("Shear-Prepend:",this.Font,Brushes.Blue,10,10+18*offset);
m.Shear(1,2,MatrixOrder.Prepend);
DrawMatrix(m,g,10,10+19*offset);
g.DrawString("Shear-Append:",this.Font,Brushes.Blue,10,10+20*offset);
//将m重置为原始矩阵
m=new Matrix(1,2,3,4,0,1);
m.Shear(1,2,MatrixOrder.Append);
DrawMatrix(m,g,10,10+21*offset);
}
private void DrawMatrix(Matrix m,Graphics g,int x,int y)
{
string str=null;
for(int i=0;i<m.Elements.Length;i++)
{
double dd=Math.Round(m.Elements[i],3);
str+=dd.ToString();
str+=",";
}
g.DrawString(str,this.Font,Brushes.Blue,x,y);
}
}
//return 0;}