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Search found 10 results on 1 pages for 'zka'.

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• Winforms, creating padding when using Dock properties.

  - by Zka

  How do I add padding, or some space between the textboxes when using dockstyle.top property? for(int i =0; i< 10; i++) { textboxes[i] = new TextBox(); textboxes[i].Dock = DockStyle.Top; mypanel.Controls.Add(textboxes[i]); } The code above puts textboxes right beneath each other. Can't figure this out without using mass panels or fixed positioning. How to do the following? 1) I would like to add around 10-20pixels between boxes. 2) How to change size (height,width) of the textboxes, since when using dockstyle.top it ignores the size commands ?

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• WinForms button position - not aligned as it should

  - by Zka

  Adding some gui modifications and I want to have a button which is 10pixels away from the forms left and right border. With this code the right border of the button is around 20-30 pixel outside the form window. Why is that? How can I position my button to be exactly 10pixels away from the form borders ? int margin = 10; meny1 = new Button(); meny1.Top = 50; meny1.Left = margin; meny1.Size = new Size(this.Width - (2*margin), 30);

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• overload Equals, is this wrong?

  - by Zka

  Reading some piece of code and I keep seeing this : public override bool Equals (object obj) { if (obj == null || this.GetType ().Equals (obj.GetType())) return false; //compare code... } Shouldn't it be like this (note the !): public override bool Equals (object obj) { if (obj == null || !this.GetType ().Equals (obj.GetType())) return false; //compare code... } Or does the equals perform differently in this case?

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• enums in C# - assignment

  - by Zka

  How does one do this in c#? Let's say that myclass has : private enum Days{}; 1) How does one add data to the enum inside the myclass with the help of the constructor? As in : myclass my = new myclass(Monday,Friday); so that the enum inside the class gets the "Monday, Friday" properties. 2) Can one also make a property for an enume inside the class once it is initialized ? For example : my.Days = new enum Days(Tuesday); //where the old settings are replaced.

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• new line in a multi-line string

  - by Zka

  Trying to override a tostring in one of my classes. return string.Format(@" name = {0} ID = {1} sec nr = {2} acc nr = {3}", string, int, int ,int); // types But the thing is, the result isn't aligned when printed out: name = test ID = 42 sec nr = 11 acc nr = 55 Trying to add \n just prints it out without formating. Guessing it has something to do with @"" which I'm using for multi-lining. Would like it to print out : name = test ID = 42 sec nr = 11 acc nr = 55

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• forks in C - exercise

  - by Zka

  I try to repeat and learn more advanced uses and options when cutting trees with forks in the jungle of C. But foolishly I find an example which should be very easy as I have worked with forks before and even written some code, but i can't understand it fully. Here comes : main() { if (fork() == 0) { if (fork() == 0) { printf("3"); } else if ((wait(NULL)) > 0) { printf("2"); } } else { if (fork() == 0) { printf("1"); exit(0); } if (fork() == 0) { printf("4"); } } printf("0"); return 0; } Possible solutions are : 3201040 3104200 1040302 4321000 4030201 1403020 where 2, 5 and 6 are correct answers. First of all, shouldn't there be four zeroes in the output? Second... How does one come to the solution at all? Been doing this on paper for almost an hour and I'm not even close to understanding why the given solution are more correct than the false ones (except for nr3 as it can't end with 2 since a 0 must follow). Anyone with his forks in check who can offer some good explanation?

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• C# dealing with invalid user input

  - by Zka

  Have a simple console app where user is asked for several values to input. Input is read via console.readline(). Ex Name: Fred //string Lastname: Ashcloud //string Age: 28 //int I would like to make sure that int and double types are entered and if the user enters garbage, lets him repeat the procedure. Example, if the user enters "28 years old" where age expects int the app will crash. What is the best way to check for these inputs? Right now I can only think of: while (!Int32.TryParse(text, out number)) { Console.WriteLine("Error write only numbers"); text = Console.ReadLine(); } Is there any other way to do this? try catch statements if one wants to give a more detailed feedback to the user? How in that case?

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• Arraylist can't compare objects after they are loaded from disk

  - by Zka

  To make it easy, lets say I have an arraylist allBooks containing class "books" and an arraylist someBooks containing some but not all of the "books". Using contains() method worked fine when I wanted to see if a book from one arraylist was also contained in another. The problem was that this isn't working anymore when I save both of the Arraylists to a .bin file and load them back once the program restarts. Doing the same test as before, the contains() returns false even if the compared objects are the same (have the same info inside). I solved it by overloading the equals method and it works fine, but I want to know why did this happen?

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• C# arraylist can't compare objects after they are loaded from disk

  - by Zka

  To make it easy, lets say I have an arraylist allBooks containing class "books" and an arraylist someBooks containing some but not all of the "books". Using contains() method worked fine when I wanted to see if a book from one arraylist was also contained in another. The problem was that this isn't working anymore when I save both of the Arraylists to a .bin file and load them back once the program restarts. Doing the same test as before, the contains() returns false even if the compared objects are the same (have the same info inside). I solved it by overloading the equals method and it works fine, but I want to know why did this happen?

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• C# Saving an arraylist to a file?

  - by Zka

  I have a simple program where I would like to save an arraylist to a file, so that when the program is restarted, it loads from the file to the arraylist in memory. Is this possible in C#? Or do I need to itterate over the arraylist countaining my custom classes and in someway print them out? Any tips on a correct way to do this?

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