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I have question relating to my list and switch statement in my code

Discussion in 'C#' started by wilnicm, Aug 30, 2010.

  1. wilnicm

    wilnicm New Member

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    I want to thank in advance anyone who's able to help me here. Hi my question is relating to my code for my list and Case . The method that i've used RemoveRange only removes the numbers that i have added to my list at certain indexes. Do i need to use a different method or how do i remove it at randomly without removing it at certain indexes. meaning currently if i curently generate a random index and a random number to remove. current if i generate a random index of 2 and random number to remove of 3. it will remove index 3, 4, 5. how do i randomly say. randomly remove at any position. For exampl.. i have numbers 1,2,3,4,5,6. i have a random count of 3 i want to randomly remove 1, 4, 6 instead of removing at certain index. The next question deals with my case statement. currently i have my switch statement related to the count on my list. If the count is equal to 2 i send it to one of my case statement. What i want to do is have the count related to multiple Case statements. Meaning if I return a count of 2 have my application randomly choose one the multiple case statement that i have set for that count. I don't know how to set this case statment properly or if i should be using some other statement such as if or if my doing my switch statemtent all wrong.. ..

    Here is my code for my question..
    Code:
                    List firstlist = new List();
                    Random listRand = new Random();
    
                  //  Predicate mypred = new Predicate();
                   
                    //We add these number from the textbox to a list
                    firstlist.Add(numTxt1);
                    firstlist.Add(numTxt2);
                    firstlist.Add(numTxt3);
                    firstlist.Add(numTxt4);
                    firstlist.Add(numTxt5);
                    firstlist.Add(numTxt6);
    
                    int size = listRand.Next(0,2);
                    int item = listRand.Next(3,5);
                    firstlist.RemoveRange(size,item);
                    //int size = firstlist.Count;
                    //while (size > 0)
                    //{
    
                    //    size--;
                    //    int index = (new Random()).Next(0, size);
                    //    int elem = firstlist[index];
                    //    firstlist[index] = firstlist[size];
    
                    //    MessageBox.Show(elem.ToString());
                    
                    
                    //}
                    //listRand.Next(1, 3);
    
                    //(4 & (1 + mynumb.Next())) - 1
                    int listint01 = 1,
                        listint02 = 2,
                        listint03 = 3;
                    listint01 = firstlist.Count;
                    listint02 = firstlist.Count;
                    listint03 = firstlist.Count;
                    
    
                    switch (firstlist.Count)
                    {
                        case 1: 
                            firstlist[0] = firstlist[0] + 1; 
                            break;
                           
                        //case 1:
                        //    firstlist[0] = firstlist[0] - 1;
                        //    break;
    
                        //case 1:
                        //    firstlist[0] = firstlist[0];
                        //    break;
    
                        case 2:
                            // Add one
                            firstlist[0] = firstlist[0] + 1;
                            firstlist[1] = firstlist[1] - 1;
                            break;
    
                        //case 2:
                        //    // Add one
                        //    firstlist[0] = firstlist[0] - 1;
                        //    firstlist[1] = firstlist[1] + 1;
                        //    break;
    
                        //case 2:
                        //    // Add one
                        //    firstlist[0] = firstlist[0] - 1;
                        //    firstlist[1] = firstlist[1];
                        //    break;
    
                        //case 2:
                        //    // Add one
                        //    firstlist[0] = firstlist[0] + 1;
                        //    firstlist[1] = firstlist[1];
                        //    break;
    
                        case 3:
                            // Add one
                            firstlist[0] = firstlist[0] + 1;
                            firstlist[1] = firstlist[1] - 1;
                            firstlist[2] = firstlist[2];                               
                            break;
    
                        //case 3:
                        //    // Subtract one
                        //    firstlist[0] = firstlist[0] - 1;
                        //    firstlist[1] = firstlist[1] + 1;
                        //    firstlist[2] = firstlist[2];
                        //    break;
    
                        //case 3:
                        //    // Leave as is
                        //    firstlist[0] = firstlist[0];
                        //    firstlist[1] = firstlist[1];
                        //    firstlist[2] = firstlist[2] - 1;
                            
                        //    break;      
                        //case 3:
                        //    firstlist[0] = firstlist[0];
                        //    firstlist[1] = firstlist[1];
                        //    firstlist[2] = firstlist[2] + 1;
                        //    break;
    
                    }
     

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