using?System;
using?System.Collections.Generic;
using?System.ComponentModel;
using?System.Data;
using?System.Drawing;
using?System.Linq;
using?System.Text;
using?System.Windows.Forms;
using?System.IO;

namespace?CoordinateTransformation
{
????public?partial?class?Four_parameterCalculation?:?Form
????{
????????public?Four_parameterCalculation（）
????????{
????????????InitializeComponent（）;
????????}
????????//初始化
????????private?void?onload（object?sender?EventArgs?e）
????????{
????????????dataGridView1.AutoGenerateColumns?=?false;
????????????dataGridView1.GridColor?=?System.Drawing.Color.Chocolate;
????????????dataGridView1.SelectionMode?=?DataGridViewSelectionMode.RowHeaderSelect;
????????}
????????//添加
????????private?void?OnAdd（object?sender?EventArgs?e）
????????{
????????????int?rowNo?=?dataGridView1.Rows.Add（）;
????????????dataGridView1.Rows[rowNo].Cells[“ColPoint“].Value?=?txbPoint.Text.Trim（）;
????????????dataGridView1.Rows[rowNo].Cells[“ColOldX“].Value?=?txbOX.Text.Trim（）;
????????????dataGridView1.Rows[rowNo].Cells[“ColOldY“].Value?=?txbOY.Text.Trim（）;
????????????dataGridView1.Rows[rowNo].Cells[“ColNewX“].Value?=?txbNX.Text.Trim（）;
????????????dataGridView1.Rows[rowNo].Cells[“ColNewY“].Value?=?txbNY.Text.Trim（）;
????????}
????????//導(dǎo)入
????????private?void?OnInput（object?sender?EventArgs?e）
????????{
????????????OpenFileDialog?open?=?new?OpenFileDialog（）;
????????????open.title?=?“請選擇數(shù)據(jù)文件“;
????????????open.InitialDirectory?=?“D:\\“;
????????????open.Filter?=?“文本文件（*.txt）|*.txt“;
????????????open.RestoreDirectory?=?true;
????????????if?（open.ShowDialog（）?==?DialogResult.OK）
????????????{
????????????????FileStream?fs?=?new?FileStream（open.FileName?FileMode.Open）;
????????????????StreamReader?sr?=?new?StreamReader（fs）;
????????????????while?（!sr.EndOfStream）
????????????????{
????????????????????string?strLine?=?sr.ReadLine（）;
????????????????????if?（string.IsNullOrEmpty（strLine））
????????????????????{
????????????????????????continue;
????????????????????}
????????????????????string[]?arr?=?strLine.Split（new?string[]?{?“\r\n“?“?“?}?StringSplitOptions.RemoveEmptyEntries）;
????????????????????dataGridView1.Rows.Add（arr）;
????????????????}
????????????????sr.Close（）;
??