C#

Member 4052498 wrote:

It can be deleted, but can't be opened for writing.

<br />
<br />
// This is Wrong <br />
foreach ( string str in MyList)<br />
{<br />
  MyList.remove(str);<br />
}

// This is Right <br />
List<string> ListForDetele = new List<string>();<br />
foreach (string str in MyList)<br />
{<br />
   ListForDelete.Add(str);<br />
}<br />
<br />
foreach(string str in ListForDelete)<br />
{<br />
   MyList.Remove(str);<br />
}

Kaare Tragethon wrote:

I can clearly see

Stark DaFixzer wrote:

Which method is the standard One ?

class MyClass
{
    private int _myvar;
    public int MyVar
    {
        get
        {
            return _myvar;
        }
        set
        {
            _myvar = value;
            GoOffAndDoSomethingThatIsDoneWhenMyVarChanges(value);    //<============ This is sometimes called a SIDE EFFECT
        }
    }

    public void ChangeMyVar(int NewValue)
    {
        // Method 1 
        _myvar = NewValue;
        // Method2 
        MyVar = NewValue;
    }

    GoOffAndDoSomethingThatIsDoneWhenMyVarChanges(int newValue)
    {
         // do stuff here with newValue
    }
}

void CheckedChanged(object sender, EventArgs e) {
    int count=0;
    foreach(Control c in relevantControls) {
        RadioButton rb=c as RadioButton;
        if (rb!=null) count++;
    }
    if (count>MAX) {
        RadioButton rb=sender as RadioButton;
        if (rb!=null) rb.Checked=false;
    }
}

yogi_bear_79 wrote:

Which is why I am asking questions.

namespace VDP
{
    public partial class frmMain : Form
    {
        private Poker poker;
        
         public frmMain()
        {
            InitializeComponent();
            poker = new Poker();
            poker.UpdateLabels += new EventHandler<LablesEventArgs>(poker_UpdateLabels);
        }

        void poker_UpdateLabels(object sender, LablesEventArgs e)
        {
            UpdateLbls(e.Lbl);
        }

        public void UpdateLbls(Label lbl)
        {
            lbl.ForeColor = Color.Yellow;
        }
     }
}

namespace VDP
{
public class LablesEventArgs : EventArgs
    {
        public LablesEventArgs(Label lbl)
        {
            Lbl = lbl;
        }

        public Label Lbl
        {
            get;
            private set;
        }
    }
}

namespace VDP
{
    class Poker{

        public event EventHandler<LablesEventArgs> UpdateLabels;

        void Results(Label lbl_1)
        {
            OnUpdateLabels(new LablesEventArgs(lbl_1));
        }

        protected virtual void OnUpdateLabels(LablesEventArgs e)
        {
            EventHandler<LablesEventArgs> eh = UpdateLabels;
            if (eh != null)
                eh(this, e);
        }

        public void Hand_Analyzer() 
        {
            frmMain Form1 = new frmMain();
            Results(Form1.Label1);
        }
     }
}

public void UpdateLbls(String lbl){
lbl.ForeColor = Color.Yellow;        
}