.NET (Core and Framework)

Pete O'Hanlon wrote:

That's one hell of an ambitious undertaking

Pete O'Hanlon wrote:

we'll see you back here in 3 years when you've finished the basics.

Dave Kreskowiak wrote:

devoted YEARS of their lives comming up with Mozilla and FireFox, and you want to create your own?? Does that fact tell you anything about how long it's going to take a single person to do??

rio_p wrote:

I want to create a new web browser without using windows component!

Mark Salsbery
Microsoft MVP - Visual C++

rio_p wrote:

any one know how to create the web browser basicly?

MethodInfo addMethodInfo = fieldInfo.FieldType.GetMethod("Add");
object[] intValue = { 5 };
addMethodInfo.Invoke(tcObject, new Object[] { 5 });

chandrap wrote:

I am trying to modify class instance members using reflection.

chandrap wrote:

Given an instance of class and values for the members, we should be able to update the members with the corresponding values.

    class ListElement
    {
        public ListElement()
        {
            m_element = 0;
        }

        public ListElement(int element)
        {
            m_element = 1;
        }

        public int m_element;
    }

    class TestClass
    {
        public int i = 0;

        public int IValue
        {
            get
            {
                return i;
            }
            set
            {
                i = value;
            }

        }
        public List<int> m_intList = new List<int>();
        public List<listelement> m_lstElement = new List<listelement>();
    }
    class Program
    {
        static void Main(string[] args)
        {
            TestClass tcObject = new TestClass();
            tcObject.i = 1;
            tcObject.m_intList.Add(1);
            tcObject.m_intList.Add(2);
            tcObject.m_lstElement.Add(new ListElement(1));

            // Following code modifies the field "I".
            {
                FieldInfo fieldInfo = tcObject.GetType().
                                        GetField(
                                        "i",
                                        BindingFlags.Static |
                                        BindingFlags.Instance |
                                        BindingFlags.NonPublic |
                                        BindingFlags.Public);

                fieldInfo.SetValue(tcObject, 2);

                System.Console.WriteLine("I value '{0}'", fieldInfo.GetValue(tcObject));
            }

            // Following code modifies the IValue property.
            {
                PropertyInfo propertyInfo = tcObject.GetType().
                                        GetProperty(
                                        "IValue",
                                        BindingFlags.Static |
                                    BindingFlags.Instance |
                                    BindingFlags.NonPublic |
                                    BindingFlags.Public);

                MethodInfo propertySetMethodInfo =
                                propertyInfo.GetSetMethod(true);

                propertySetMethodInfo.Invoke(tcObject, new Object[] { 3 });

                System.Console.WriteLine("Property IValue '{0}'", tcObject.i);
            }

            {
                FieldInfo fieldInfo = tcObject.GetType().
                                        GetField(
                                        "m_intList",
                                        BindingFlags.Static |
                                        BindingFlags.Instance |
                                        BindingFlags.NonPublic |
                                        BindingFlags.Public);

                MemberInfo[] listMemberInfoArray = tcObject.GetType().GetMember("m_intList");
                MemberInfo listMemberInfo = listMemberInfoArray[0];
                MethodInfo addMethodInfo = fieldInfo.FieldType.GetMethod("Add");
                object[] elementValue = { 5 };
                addMethodInfo.Invoke(fieldInfo.GetValue(tcObject), elementValue);

                foreach(int currElement in tcObject.m_intList)
                {
                    System.Console.WriteLine("INt List element {0}", currElement);
                }

                Console.WriteLine();
            }

            {
                FieldInfo fieldInfo = tcObject.GetType().
                                        GetField(
                                        "m_lstElement",
                                        BindingFlags.Static |
                                        BindingFlags.Instance |
                                        BindingFlags.NonPublic |
                                        BindingFlags.Public);

                MethodInfo addMethodInfo = fieldInfo.FieldType.GetMethod("Add");
                Object listElementObject = Activator.CreateInstance(fieldInfo.
                                                            FieldType.
                                                            GetGenericArguments()[0]);

                FieldInfo listElementFieldInfo = listElementObject.GetType().
                                        GetField(
                                        "m_element",
                                        BindingFlags.Static |
                                        BindingFlags.Instance |
                                        BindingFlags.NonPublic |
                                        BindingFlags.Public);

                listElementFieldInfo.SetValue(listElementObject, 2);

                object[] elementValue = { listElementObject };
                addMethodInfo.Invoke(fieldInfo.GetValue(tcObject), elementValue);


                foreach (ListElement currListElement in tcObject.m_lstElement)
                {
                    System.Console.WriteLine("List Item value '{0}'", currListElement.m_element);
                }
            }

        }
    }
</listelement></listelement></int></int>

Sareh khanoom wrote:

But I was wondering if there is any library in .net for simulation

Sareh khanoom wrote:

If I want to simulate a Network of a few computer nodes in C#, what is the best way?

calhuskerfan wrote:

I have a database

calhuskerfan wrote:

So, to me it appears that ADO is

calhuskerfan wrote:

The constraints in the database are fine. They allow the described scenario where 'ABC' and 'ABC ' are considered unique.

using System;
using System.Collections.Generic;
using System.Text;
using System.Windows.Forms;
using System.Data;


namespace ConsoleApplication2
{
    class Program
    {
        static void Main(string[] args)
        {
            Test1();
        }

        public static void Test1()
        {
            DataTable dt1 = new DataTable();
            //
            dt1.Columns.Add("col0");
            dt1.Columns.Add("col1");
            dt1.Columns.Add("col2");
            //
            dt1.Columns[0].DataType = typeof(Int32);
            dt1.Columns[1].DataType = typeof(String);
            dt1.Columns[2].DataType = typeof(String);
            //
            DataRow dr = dt1.NewRow();
            dr["col0"] = 1;
            dr["col1"] = "Column 2";
            dr["col2"] = "Column 3";
            dt1.Rows.Add(dr);
            //
            dr = dt1.NewRow();
            dr["col0"] = 1;
            dr["col1"] = "Column 2";
            dr["col2"] = "Column 3   ";
            dt1.Rows.Add(dr);
            //
            try
            {
                dt1.PrimaryKey = new DataColumn[] { dt1.Columns[0], dt1.Columns[2] };
            }
            catch (ArgumentException ae)
            {
                MessageBox.Show(ae.Message);
            }
        }
    }
}

calhuskerfan wrote:

Here is a very quick (and sloppy) example that reproduces the behavior.

Type   Value  Data                                               
------ ------ -------------------------------------------------- 
1      2      ABC                                                

insert into Table1 (Type, Value, Data) VALUES(1, 3, 'ABC ')