请问哪里有使用C#调用dll文件的例子呢？
我现在有一个dll文件，它跟普通的使用方法不一样，需要使用代码导入dll文件，现在不知道怎么写，请大家指教。
新建-项目-类库
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using ET199ComLib;
using System.Runtime.InteropServices;
namespace ET199Test
{
public partial class COM
{
private static string _p5;
private static string _p6;
private static string _success;
private static string _time;
private static string _easy;
private static string _clear;
public static string P5
{
set { _p5 = value; }
get { return _p5; }
}
public static string P6
{
set { _p6 = value; }
get { return _p6; }
}
public static string success
{
set { _success = value; }
get { return _success; }
}
public static string time
{
set { _time = value; }
get { return _time; }
}
public static string easy
{
set { _easy = value; }
get { return _easy; }
}
public static string clear
{
set { _clear = value; }
get { return _clear; }
}
public void Execute(string userPin,string fileDir,string fileID,string cmd,string _p0,string _p1,string _p2,string _p3,string _p4)
{
try
{
byte[] byteUserpwd = new byte[8];
byte[] PinUser = System.Text.Encoding.ASCII.GetBytes(userPin);
for (int m = 0; m < PinUser.Length; m++)
{
byteUserpwd[m] = PinUser[m];
}
object objUserPin = byteUserpwd;
ET199ComLib.ET199 et = new ET199ComLib.ET199();
int nUserCount = et.Enum(); //枚举设备
et.Open(0);
et.ChangeDir(fileDir.Replace("'\'", "'\''\'"));
byte[] byteinbuffer = new byte[21];
byteinbuffer[0] = (byte)(Convert.ToInt64(cmd));
////////////////////////////////////////////
Int64 P0 = Convert.ToInt64(_p0);//P0
int i0 = 4;
while (P0 / 256 != 0)
{
Int64 a = P0 / 256;
byteinbuffer[i0] = (byte)(P0 % 256);
P0 = a;
i0--;
if (i0 == 0)
break;
}
if (i0 > 0 && P0 / 256 == 0)
{
byteinbuffer[i0] = (byte)(P0 % 256);
i0--;
}
//////////////////////////////////////
Int64 P1 = Convert.ToInt64(_p1);//P1
int i1 = 8;
while (P1 / 256 != 0)
{
Int64 a = P1 / 256;
byteinbuffer[i1] = (byte)(P1 % 256);
P1 = a;
i1--;
if (i1 == 4)
break;
}
if (i1 > 4 && P1 / 256 == 0)
{
byteinbuffer[i1] = (byte)(P1 % 256);
i1--;
}
/////////////////////////////////////////
Int64 P2 = Convert.ToInt64(_p2);//P2
int i2 = 12;
while (P2 / 256 != 0)
{
Int64 a = P2 / 256;
byteinbuffer[i2] = (byte)(P2 % 256);
P2 = a;
i2--;
if (i2 == 8)
break;
}
if (i2 > 8 && P2 / 256 == 0)//
{
byteinbuffer[i2] = (byte)(P2 % 256);
i2--;
}
///////////////////////////////////////
Int64 P3 = Convert.ToInt64(_p3);//P3
int i3 = 16;
while (P3 / 256 != 0)
{
Int64 a = P3 / 256;
byteinbuffer[i3] = (byte)(P3 % 256);
P3 = a;
i3--;
if (i3 == 12)
break;
}
if (i3 > 12 && P3 / 256 == 0)
{
byteinbuffer[i3] = (byte)(P3 % 256);
i3--;
}
///////////////////////////
Int64 P4 = Convert.ToInt64(_p4);//P4
int i4 = 20;
while (P4 / 256 != 0)
{
Int64 a = P4 / 256;
byteinbuffer[i4] = (byte)(P4 % 256);
P4 = a;
i4--;
if (i4 == 16)
break;
}
if (i4 > 16 && P4 / 256 == 0)
{
byteinbuffer[i4] = (byte)(P4 % 256);
i4--;
}
////////////////////////////////
object objinbuffer = byteinbuffer;
object objoutbuffer = new byte[9];
int pdwreturned = 9;
et.VerifyPin(ref objUserPin, ET_PIN_TYPE.ET_USER_PIN);//验证用户
et.Execute(fileID, ref objinbuffer, 21, ref objoutbuffer, out pdwreturned);
byte[] byteoutbuffer = (byte[])objoutbuffer;
int p51 = Convert.ToInt32(byteoutbuffer[1].ToString()) * 16777216;
int p52 = Convert.ToInt32(byteoutbuffer[2].ToString()) * 65536;
int p53 = Convert.ToInt32(byteoutbuffer[3].ToString()) * 256;
int p54 = Convert.ToInt32(byteoutbuffer[4].ToString());
int p61 = Convert.ToInt32(byteoutbuffer[5].ToString()) * 16777216;
int p62 = Convert.ToInt32(byteoutbuffer[6].ToString()) * 65536;
int p63 = Convert.ToInt32(byteoutbuffer[7].ToString()) * 256;
int p64 = Convert.ToInt32(byteoutbuffer[8].ToString());
P5 = Convert.ToString(p51 + p52 + p53 + p54);
P6 = Convert.ToString(p61 + p62 + p63 + p64);
}
catch (COMException )
{
}
}
public void ExecuteCode(string userPin, string fileDir, string fileID,string _p0)
{
try
{
byte[] byteUserpwd = new byte[8];
byte[] PinUser = System.Text.Encoding.ASCII.GetBytes(userPin);
for (int m = 0; m < PinUser.Length; m++)
{
byteUserpwd[m] = PinUser[m];
}
object objUserPin = byteUserpwd;
ET199ComLib.ET199 et = new ET199ComLib.ET199();
int nUserCount = et.Enum(); //枚举设备
et.Open(0);
et.ChangeDir(fileDir.Replace("'\'", "'\''\'"));
byte[] byteinbuffer = new byte[5];
byteinbuffer[0] = (byte)3;
Int64 P0 = Convert.ToInt64(_p0);//P0
int i = 4;
while (P0 / 256 != 0)
{
Int64 a = P0 / 256;
byteinbuffer[i] = (byte)(P0 % 256);
P0 = a;
i--;
if (i == 0)
break;
}
if (i > 0 && P0 / 256 == 0)
{
byteinbuffer[i] = (byte)(P0 % 256);
i--;
}
object objinbuffer = byteinbuffer;
object objoutbuffer = new byte[5];
int pdwreturned = 5;
et.VerifyPin(ref objUserPin, ET_PIN_TYPE.ET_USER_PIN);//验证用户
et.Execute(fileID, ref objinbuffer, 5, ref objoutbuffer, out pdwreturned);
byte[] byteoutbuffer = (byte[])objoutbuffer;
success =byteoutbuffer[1].ToString();
time= byteoutbuffer[2].ToString();
easy = byteoutbuffer[3].ToString();
clear = byteoutbuffer[4].ToString();
}
catch (COMException)
{}
}
}
}
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