请问在c#编程中如何使用delphi7的dll？

Question

请问在c#编程中如何使用delphi7的dll？

Answer 1

请问在c#编程中如何使用delphi7写的dll？

Answer 2

using System.Runtime.InteropServices;
[DllImport("pcsCardDll.dll")]
public static extern int ReadAuthorCard(ref TParaBuf buf);

Answer 3

先在命令行把DLL文件转化为托管状态下的库，然后引用即可

Answer 4

先在命令行把DLL文件转化为托管状态下的库，然后引用即可bu ming baineng shuo ming bai yi xie ma?

Answer 5

using System.Runtime.InteropServices;
[DllImport("pcsCardDll.dll")]
public static extern int ReadAuthorCard(ref TParaBuf buf);--------------------------------------------------------------
qing wen shang mian dai ma xie zai na li?

Answer 6

using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
using System.Runtime.InteropServices;
namespace cs_finishi
{
/// <summary>
/// Summary description for Form1.
/// </summary>
///
public class RefDll
{
[DllImport(@"E:\StrSjisToJis.dll", EntryPoint="StrSjisTo",CharSet=CharSet.Ansi,
 CallingConvention=CallingConvention.StdCall)]
public static extern string StrSjisTo(string str);

} public class Form1 : System.Windows.Forms.Form {

private System.Windows.Forms.TextBox textBox1;
private System.Windows.Forms.Button button1;
private System.Windows.Forms.TextBox textBox2;
/// <summary>
/// Required designer variable.
/// </summary>
private System.ComponentModel.Container components = null; public Form1()
{
//
// Required for Windows Form Designer support
//
InitializeComponent(); //
// TODO: Add any constructor code after InitializeComponent call
//
} /// <summary>
/// Clean up any resources being used.
/// </summary>
protected override void Dispose( bool disposing )
{
if( disposing )
{
if (components != null) 
{
components.Dispose();
}
}
base.Dispose( disposing );
} #region Windows Form Designer generated code
/// <summary>
/// Required method for Designer support - do not modify
/// the contents of this method with the code editor.
/// </summary>
private void InitializeComponent()
{
this.textBox1 = new System.Windows.Forms.TextBox();
this.button1 = new System.Windows.Forms.Button();
this.textBox2 = new System.Windows.Forms.TextBox();
this.SuspendLayout();
// 
// textBox1
// 
this.textBox1.Location = new System.Drawing.Point(56, 40);
this.textBox1.Name = "textBox1";
this.textBox1.Size = new System.Drawing.Size(192, 19);
this.textBox1.TabIndex = 0;
this.textBox1.Text = "";
// 
// button1
// 
this.button1.Location = new System.Drawing.Point(208, 104);
this.button1.Name = "button1";
this.button1.TabIndex = 1;
this.button1.Text = "button1";
this.button1.Click += new System.EventHandler(this.button1_Click);
// 
// textBox2
// 
this.textBox2.Location = new System.Drawing.Point(64, 176);
this.textBox2.Name = "textBox2";
this.textBox2.Size = new System.Drawing.Size(192, 19);
this.textBox2.TabIndex = 2;
this.textBox2.Text = "";
// 
// Form1
// 
this.AutoScaleBaseSize = new System.Drawing.Size(5, 12);
this.ClientSize = new System.Drawing.Size(432, 317);
this.Controls.Add(this.textBox2);
this.Controls.Add(this.button1);
this.Controls.Add(this.textBox1);
this.Name = "Form1";
this.Text = "Form1";
this.ResumeLayout(false); }
#endregion /// <summary>
/// The main entry point for the application.
/// </summary>
[STAThread]
static void Main() 
{
Application.Run(new Form1());
}
private void button1_Click(object sender, System.EventArgs e)
{
            textBox2.Text=RefDll.StrSjisTo(textBox1.Text);
}
}
}

Answer 7

zhe shi wo de yuan madiao yong zong shi chu cuo!da jia kan kan xie xie!

Answer 8

bao cuo ru xia:An unhandled exception of type 'System.NullReferenceException' occurred in WindowsApplication1.exeAdditional information: Object reference not set to an instance of an object.

Answer 9

是否应该和WIN32的引用相同呢,没有试过,标记一下