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由于用户的Excel版本可能是2003、2007
CAD版本可能是2000到2010，如何比较好的实现多版本呢？并且不需要修改程序代码
以下是一个简单的利用反射实现的例子，希望大家多提意见，谢谢
（VS2008,.net framework3.5,添加了System.Configuration引用，实现2个按钮事件）
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.Runtime.InteropServices;//使用Marshal获得进程
using System.Reflection;//用于反射
using System.Configuration;//操作app.config文件
namespace SeedFileReport
{
public partial class Main : Form
{
//string excelAssPath;
//string CADAssPath;
string ExcelVer;
string CADVer;
//Assembly excelAss;
//Assembly CADAss;
Type excelType;
Type CADType;
object excelApp;
object CADApp;
string AppPath;
string ExcelAppProID;
string CADAppProID;
public Main()
{
InitializeComponent();
AppPath = System.Windows.Forms.Application.StartupPath;
//Debug文件的上一级目录，不包含斜杠\
AppPath = AppPath.Substring(0, AppPath.LastIndexOf("\\"));
}
//Excel
private void button1_Click(object sender, EventArgs e)
{
//修改为通过注册表来创建进程Excel.Application.11/Excel.Application.12
ExcelVer = System.Configuration.ConfigurationManager.AppSettings["ExcelVer"].ToString();
if (ExcelVer == "2003")
{
//excelAssPath = AppPath + @"\Dll\Excel\2003\Microsoft.Office.Interop.Excel.dll";
ExcelAppProID="Excel.Application.11";
//excelAssPath = @"C:\WINDOWS\assembly\GAC\Microsoft.Office.Interop.Excel\11.0.0.0__71e9bce111e9429c\Microsoft.Office.Interop.Excel.dll";
}
if (ExcelVer == "2007")
{
//excelAssPath = AppPath + @"\Dll\Excel\2007\Microsoft.Office.Interop.Excel.dll";
ExcelAppProID="Excel.Application.12";
//excelAssPath = @"C:\WINDOWS\assembly\GAC\Microsoft.Office.Interop.Excel\12.0.0.0__71e9bce111e9429c\Microsoft.Office.Interop.Excel.dll";
}
//excelAss = Assembly.LoadFile(excelAssPath);
//excelType = excelAss.GetType("Microsoft.Office.Interop.Excel.ApplicationClass");
excelType = System.Type.GetTypeFromProgID(ExcelAppProID);
//excelApp = excelAss.CreateInstance("Microsoft.Office.Interop.Excel.ApplicationClass");
excelApp = Activator.CreateInstance(excelType);
object[] par = new object[1];
par[0] = true;
excelType.InvokeMember("Visible", BindingFlags.SetProperty, null, excelApp, new object[] { true });
excelType.InvokeMember("UserControl", BindingFlags.SetProperty, null, excelApp, par);
//获取Workbook集
object objBooks = excelApp.GetType().InvokeMember("Workbooks", BindingFlags.GetProperty, null, excelApp, null);
//添加一个新的Workbook
object objBook = objBooks.GetType().InvokeMember("Add", BindingFlags.InvokeMethod, null, objBooks, null);
//获取Sheet集
object objSheets = objBook.GetType().InvokeMember("Worksheets", BindingFlags.GetProperty, null, objBook, null);
//获取第一个Sheet对象
object[] Parameters = new Object[1] { 3 };
object objSheet = objSheets.GetType().InvokeMember("Item", BindingFlags.GetProperty, null, objSheets, Parameters);
objSheet.GetType().InvokeMember("Activate", BindingFlags.InvokeMethod , null, objSheet, null);
object Cells1 = objSheet.GetType().InvokeMember("Cells", BindingFlags.GetProperty, null, objSheet, new object[] { 1, 1 });
Cells1.GetType().InvokeMember("NumberFormatLocal", BindingFlags.SetProperty, null, Cells1, new object[] { "@" });
Cells1.GetType().InvokeMember("FormulaR1C1", BindingFlags.SetProperty, null, Cells1, new object[] { "反射测试" });
//foreach (Module aaa in excelAss.GetModules())
//{
// Console.WriteLine(aaa.Name); // 显示该dll下所有的类
//}
object range = objSheet.GetType().InvokeMember("Range", BindingFlags.GetProperty, null, objSheet, new object[] { "B2:G8"});
range.GetType().InvokeMember("Value", BindingFlags.SetProperty, null, range, new object[] { "反射Excel.Range成功啦!" });
//反射枚举型
//System.Type t1 = excelAss.GetType("Microsoft.Office.Interop.Excel.XlRangeValueDataType");
//object[] o1s = t1.GetMembers();
//object o1 = t1.GetMember("xlRangeValueDefault");
//MessageBox.Show(o1.GetType().ToString());
//range.GetType().InvokeMember("set_Value", BindingFlags.InvokeMethod, null, range, new object[] {o1, "反射B" });
//object res = range.GetType().InvokeMember("Value", BindingFlags.GetProperty, null, range, null);
}
//CAD
private void button2_Click(object sender, EventArgs e)
{
//获得解决方案的所有Assembly
//Assembly[] AX = AppDomain.CurrentDomain.GetAssemblies();
//遍历显示每个Assembly的名字
//foreach (object var in AX)
//{
// Console.WriteLine("Assembly的名字:" + var.ToString());
//}
CADVer = System.Configuration.ConfigurationManager.AppSettings["Ver"].ToString();
//修改为通过注册表来创建进程AutoCAD.Application.16/AutoCAD.Application.17
if (CADVer == "2004")
{
//CADAssPath = AppPath + @"\Dll\AutoCAD\2004\Interop.AutoCAD.dll";
//CADAssPath = AppPath + @"\Dll\AutoCAD\2006\Autodesk.AutoCAD.Interop.dll";
CADAppProID = "AutoCAD.Application.16";
//CADAssPath = @"C:\WINDOWS\assembly\GAC\Autodesk.AutoCAD.Interop\16.2.54.0__eed84259d7cbf30b\Autodesk.AutoCAD.Interop.dll";
}
if (CADVer == "2006")
{
//CADAssPath = AppPath + @"\Dll\AutoCAD\2006\Autodesk.AutoCAD.Interop.dll";
CADAppProID = "AutoCAD.Application.16";
//CADAssPath = @"C:\WINDOWS\assembly\GAC\Autodesk.AutoCAD.Interop\16.2.54.0__eed84259d7cbf30b\Autodesk.AutoCAD.Interop.dll";
}
if (CADVer == "2007")
{
//CADAssPath = AppPath + @"\Dll\AutoCAD\2007\Autodesk.AutoCAD.Interop.dll";
CADAppProID = "AutoCAD.Application.17";
//CADAssPath = @"C:\WINDOWS\assembly\GAC_MSIL\Autodesk.AutoCAD.Interop\17.2.0.0__eed84259d7cbf30b\Autodesk.AutoCAD.Interop.dll";
}
//CADAss = Assembly.LoadFile(CADAssPath);
//if (CADVer == "2004")
//{
// CADType = CADAss.GetType("AutoCAD.AcadApplicationClass");
//}
//if (CADVer != "2004")
//{
// CADType = CADAss.GetType("Autodesk.AutoCAD.Interop.AcadApplicationClass");
//}
CADType = System.Type.GetTypeFromProgID(CADAppProID);
CADApp = Activator.CreateInstance(CADType);
object[] par = new object[1];
par[0] = true;
CADType.InvokeMember("Visible", BindingFlags.SetProperty, null, CADApp, par);
//获取Documents集
object objDocs = CADApp.GetType().InvokeMember("Documents", BindingFlags.GetProperty, null, CADApp, null);
//添加一个新的Document
object objDoc = objDocs.GetType().InvokeMember("Add", BindingFlags.InvokeMethod, null, objDocs, new object[]{Missing.Value});
//获得模型空间
object objModel = objDoc.GetType().InvokeMember("ModelSpace", BindingFlags.GetProperty, null, objDoc, null);
object[] LinePar = new object[2];
LinePar[0] = new double[] { 10, 20, 0 };
LinePar[1] = new double[] { 120, 190, 0 };
object objLine = objModel.GetType().InvokeMember("AddLine", BindingFlags.InvokeMethod, null, objModel, LinePar);
System.Type typeLine = objLine.GetType();
object length = objLine.GetType().InvokeMember("Length", BindingFlags.GetProperty, null, objLine, null);
object[] CirPar = new object[2];
CirPar[0] = new double[] { 3, 70, 0 };
CirPar[1] = 150;
object objCir = objModel.GetType().InvokeMember("AddCircle", BindingFlags.InvokeMethod, null, objModel, CirPar);
object center = objLine.GetType().InvokeMember("Center", BindingFlags.GetProperty, null, objCir, null);
object[] TxtPar = new object[3];
TxtPar[0] = "CAD" + CADVer + "Reflect Success!";
TxtPar[1] = new double[] { 0, 0, 0 };
TxtPar[2] = 23;
object objTxt = objModel.GetType().InvokeMember("AddText", BindingFlags.InvokeMethod, null, objModel, TxtPar);
object layer = objLine.GetType().InvokeMember("Layer", BindingFlags.GetProperty, null, objTxt, null);
}
}
}
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