hang up visual studio when debugging

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hello
I have written c# project about similarity between tow sin curve and it hasn't any error and compile
but it doesn't work and my form hang up!
i have used 3 function in my form and when click on one button it should execute them!
in my functions i have used array and the collection(list of double values)
should i use class ????

please help me

one of mu function is like below:

C#

private void ASCI4(double[] x, int width)
     {
         double[] up = new double[width];
         double[] lp = new double[width];
         double[] ud = new double[width];
         double[] ld = new double[width];
         for(int i=0;i<width;i++)
         {
          up[i]=x[i]+0.25;
             UP.Add(up[i]);

          lp[i]=x[i]-0.25;
             LP.Add(lp[i]);

          ud[i]=x[i]+0.5;
             UD.Add(ud[i]);

          ld[i] = x[i] - 0.5;
              LD.Add(ld[i]);
         }
         foreach (double up1 in UP)
         {
             foreach (double ud1 in UD)
             {
                 foreach (double lp1 in LP)
                 {
                     foreach (double ld1 in LD)
                     {
                         foreach (Point v1 in V)
                         {
                             if ((v1.Y > lp1) & (v1.Y < up1))
                                 RP.Add(v1.Y);

                             else if ((v1.Y < ld1) | (v1.Y > ud1))
                                 RN.Add(v1.Y);
                             else if (((v1.Y >= ld1) & (v1.Y <= lp1)) | ((v1.Y >= up1) & (v1.Y <= ud1)))
                                 RZ.Add(v1.Y);
                         }
                     }
                 }
             }
         }
     }

[edit]Code block added - OriginalGriff[/edit]

Posted 21-Jun-13 22:03pm

pegah67

Updated 21-Jun-13 22:20pm

OriginalGriff

v2

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OriginalGriff · Accepted Answer · 2013-06-21T22:27:00

You are surprised?
I'm not.

I don't know what value you are passing through as the width, but you then proceed to nest loops that will be at least width^5 iterations of the inner loop. (More, probably, since you don't clear your class level lists before you add new elements, and we can't see the number of elements in V) So, if your width is 5, then your inner loop is executed 3125 times. If it is 20, then it;'s 3,200,000 times round, and so forth, each time adding elements to a list...

Your form will do nothing until all iterations are complete. There are things you can do to prevent that, but first I think you need to look at this and work out if that is what you actually intended...

"onemore question
how can i send a textbox value from one form to another form and assign tetbox value to one variable???"

Depends on the relationship between the forms.
You don't send the textbox, you send the Text property string and let the other form decide what to do with it.
Have a look at these: one of them will describe the relationship and explain what to do.
Transferring information between two forms, Part 1: Parent to Child[^]
Transferring information between two forms, Part 2: Child to Parent[^]
Transferring information between two forms, Part 3: Child to Child[^]