C++调用C#之C# COM控件

C#做界面真的是比C++方便多了，所以尝试了一下，使用C++做核心功能（例如绘图），然后用C#来做节目（例如对话框），考虑到以后可能不能使用.net，使用DLL做一个隔离层，隔离C++和C#，方便以后可以使用不同的语言开发。

C#部分：

1. 新建工程

2. 修改工程属性

3. 代码部分

ShowDialog.cs

using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Runtime.InteropServices;

using System.Windows.Forms;

namespace NetActiveX

{

    //  事件接口

    [InterfaceType(ComInterfaceType.InterfaceIsIDispatch)]

    public interface IEvent

    {

        [DispId(20)]

        void NotifyEvent(string s);

    }

    //  显示对话框接口

    [InterfaceType(ComInterfaceType.InterfaceIsDual)]

    public interface IShowDialog

    {

        void ShowDialog(string dlgType, string s);

    }

    //  显示对话框实现类

    [ComDefaultInterface(typeof(IShowDialog)),

    ComSourceInterfaces(typeof(IEvent)),

    ComVisible(true)]

    public class ShowDialogImpl : IShowDialog

    {

        public void ShowDialog(string dlgType, string s)

        {

            switch (dlgType)

            {

                case "EmployeeDialog":

                    ShowEmployeeDialog(s);

                    break;

                default:

                    break;

            }

        }

        //  定义委托和事件

        public delegate void EventDelegate(string s);

        public event EventDelegate NotifyEvent;

        //  对话框应用确定通知

        private void DialogNotify(Form from)

        {

            Type type = from.GetType();

            switch (type.Name)

            {

                case "EmployeeDialog":

                    {

                        EmployeeDialog dlg = (EmployeeDialog)from;

                        EmployeeData employee = dlg.GetEmployee();

                        s = employee.ToString();

                        NotifyEvent(s);

                    }

                    break;

                default:

                    break;

            }

        }

        //  显示员工对话框

        private void ShowEmployeeDialog(string s)

        {

            EmployeeDialog dlg = new EmployeeDialog();

            EmployeeData employee = new EmployeeData();

            employee.ParseString(s);

            dlg.SetEmployee(employee);

            dlg.SetNotify(DialogNotify);

            dlg.ShowDialog();

        }

    }

}

EmployeeDialog.cs

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;

namespace NetActiveX

{

    public partial class EmployeeDialog : Form

    {

        public delegate void Notify(EmployeeDialog dlg);

        public EmployeeDialog()

        {

            InitializeComponent();

        }

        protected void SaveData()

        {

            m_employee.m_name = m_textName.Text;

            m_employee.m_sex = m_textSex.Text;

            m_employee.m_age =  Int32.Parse(m_textAge.Text);

            m_employee.m_phone = m_textPhone.Text;

            m_employee.m_mobile = m_textMobile.Text;

        }

        private void EmployeeDialog_Load(object sender, EventArgs e)

        {

            if (m_employee != null)

            {

                m_textName.Text = m_employee.m_name;

                m_textSex.Text = m_employee.m_sex;

                m_textAge.Text = m_employee.m_age.ToString();

                m_textPhone.Text = m_employee.m_phone;

                m_textMobile.Text = m_employee.m_mobile;

            }

        }

        private void m_btnOK_Click(object sender, EventArgs e)

        {

            SaveData();

            m_notify(this);

            this.Close();

        }

        private void m_btnApply_Click(object sender, EventArgs e)

        {

            SaveData();

            m_notify(this);

        }

        private void m_btnCancel_Click(object sender, EventArgs e)

        {

            this.Close();

        }

        public void SetEmployee(EmployeeData employee)

        {

            m_employee = employee;

        }

        public EmployeeData GetEmployee()

        {

            return m_employee;

        }

        public void SetNotify(Notify notify)

        {

            m_notify = notify;

        }

        private Notify m_notify;

        private EmployeeData m_employee;

    }

    public class EmployeeData

    {

        public void ParseString(string s)

        {

            int beg = -1;

            int end = -1;

            beg = 0;

            end = s.IndexOf(",", beg);

            if (end != -1)

            {

                m_name = s.Substring(beg, end - beg);

                beg = end + 1;

            }

            end = s.IndexOf(",", beg);

            if (end != -1)

            {

                m_sex = s.Substring(beg, end - beg);

                beg = end + 1;

            }

            end = s.IndexOf(",", beg);

            if (end != -1)

            {

                m_age = Int32.Parse(s.Substring(beg, end - beg));

                beg = end + 1;

            }

            end = s.IndexOf(",", beg);

            if (end != -1)

            {

                m_phone = s.Substring(beg, end - beg);

                beg = end + 1;

            }

            if (beg < s.Length)

            {

                m_mobile = s.Substring(beg);

            }

        }

        public override string ToString()

        {

            string s = string.Empty;

            s += m_name;

            s = s + "," + m_sex;

            s = s + "," + m_age.ToString();

            s = s + "," + m_phone;

            s = s + "," + m_mobile;

            return s;

        }

        public string m_name;

        public string m_sex;

        public int m_age;

        public string m_phone;

        public string m_mobile;

    }

}

巴特西

C++调用C#之C# COM控件

最新文章

热门文章