C# :: Variable Protection Level In Class
Oct 20, 2012
With what protection level c# treats variable "a" in "myclas", because I get error code when I want to change it?
Code:
using system;
class myclass {
int a;
}
class mainclass {
[Code] .....
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Oct 7, 2012
For school we have to create a blackjack game using windows form. I had to store the images of each card into a sorted list so i created a class called cardList and created a constructor which contained the the sorted list called cards. So it looks kinda like this:
public class cardList : Form1
{
SortedList cards = new SortedList();
public cardList()
[Code]....
There's probably a few other errors, I'm still trying to figure this whole c# thing out. why the error tells me (on the line that contains c.cards.GetByIndex(cardNumber);) that cards is inaccessible due the its protection level.
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Mar 2, 2013
This problem is best explained by looking at its output below. I stored 15 different values but when retrieved some are wrong.
#include <iostream>
using namespace std;
class A {
public:
int ** pointer;
[Code] ....
I need to store and retrieve the 15 different values correctly. How to solve this? The main thing is, I need to store the pointer in class A objects.
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Jun 12, 2014
I am trying to transfer information from form1 to form2 but it will not allow me to do so; I get an error when I write in the coding of
Form2 frm2 = new Form2();
frm2.FN.text = this.FirstName;
The error reads as "Form2 is inaccessible due to protection levels
I have looked over everything and I am pretty sure everything is set to public on both forms how do I fix this?
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May 8, 2012
My code in c++ is
#include<iostream.h>
main()
{int a[10],x[5];
a[-7]=15;
x[5]=20;
cout<<x[-5];
}
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Oct 6, 2012
I had some software made for me by another programmer and i think he has put some sort of protection on it, so I can't use this software on any other computer apart from the one it is installed on now, how to remove this protection so I can run it off of any PC.
I have the following files in the folder.
SQLite.dll
SQLite.NET.dll
FUTautobuyer.s3db
FUT13.exe
Newtonsoft.Json.dll
SQLite3.dll
ComputerBenchmark.file
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Oct 12, 2013
I have an example where I have a variable belonging to a base class, but I would like to tell the compiler that it actually belongs to a derived class. How can I do this?
// base class: R0
// derived class: R1
// see function SetR1 for the problem
class R0 {
public:
int a;
[Code] .....
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Nov 9, 2013
I am trying to access a variable from another class through another class but it is not returning its "instance"?
Example:
Class View
Code:
...
V3D_Viewer viewer;
...
Class MainWindow
Code:
...
viewer* myView;
myView = new viewer();
...
Class Test
Code:
...
MainWindow window;
window.myView->setBackgroundColor(WHITE);
...
I am new to c++ references and pointers,
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Mar 6, 2015
I want to track the mouse movement. I know that GTk+ provides some powerful libraries for creating GUI, that will, among other things, enable me to write handlers for mouse movement events, but I'm looking for a simpler, more compact capabilities for now.
Is there a low level C library that will enable me to interface with the mouse?
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Jan 2, 2014
So I am have made this 2D ball game. But I want to set a time limit for each level. I want player to play that level for maximum 3 minutes. After 3 minutes the game level should end. I have used allegro 5.0.10 with c++ . How to achieve it?
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Mar 13, 2014
I am writing an software that should be able to detect all keyboard inputs by the user. i.e., both hardware and software/on-screen keyboard.
This software is going to be written in a platform independent way and supposed to run on Windows, Linux, Android & iOS.
The idea is to capture the keyboard inputs from a low level, there by making sure that it doesn't miss any inputs even if it's a on-screen keyboard like in a mobile device.
I am looking at possible open source libraries that can be used.
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Jun 11, 2014
I have to create a 2D link list with 2 level hierarchy
some thing like that
Code:
head nodes level 1: 0 1 2
/| / /|
Sub node level 2: 0 1 2 0 1 0 1 2
Real Data under |
each sub node: |
int **join=Null;
int unique = 0;
int col;
int ptr;
int *tmp_perm=Null;
int col_elem;
I know how to deal with 1 level link list structure. But i don't know how to access, delete, nodes and sub nodes from this 2 level hierarchy. C
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Mar 7, 2013
I want to access sata hard drive(eg. D drive) at sector level using C programming.I want to read the values stored in the memory locations.
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Jan 21, 2013
How to create a symbol table for an assembly language and high level language in c++?
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Apr 18, 2012
What is Multi-level algorithms for date-driven scheduling?
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May 9, 2013
The program is supposed to have a method called Hitscore that adds a score between 0 and 1000 inputted by the user to the total score and increases level by one and print the score to the screen and which level they last completed after each entry . Have the user continue inputting scores to the program until the gamer has finished all 10 levels. After 10 levels, use a method you create called PassScore to have the program compare the score to avgscore (5000). If the score is less than avgscore, have the code respond "You are not angry at all. " if it is above avgscore, then have it respond "You seem quite angry, calm down. " and if it is exactly 5000, have it respond "Average, just average. "
//Angrybird.h
#ifndef ANGRYBIRD_H
#define ANGRYBIRD_H
using namespace std;
class Angrybird {
public:
float newscore;
float level;
[Code] .....
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Oct 6, 2012
i wish to plot a mathematical function on a 2-dimensional grid. The function will be represented by 3 sets of floats, x-values, y-values, and z-values. Obviously, it is impossible to plot 3 such data sets on a 2D grid, so one approach is to use pixel coloration to represent the z-values.
Those examples (and there are many to be found) show something like the function of the complex variable z, f(z) = exp(z). I have attached a exp(z).jpg example of the imaginary part of the plot exp(z).
My question is: How to accomplish such a gradient colorization, assuming one already has the data?
I have experimented with Gdiplus SetPixel, but I have not figured out how to produce a smooth gradient.
Here's my attempt to create a simple gradient:
Code:
CDC * pDC = GetDC();
Graphics graphics(pDC->m_hDC);
CRect r;
GetWindowRect(&r);
ScreenToClient(&r);
[Code] ....
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Oct 5, 2014
I am coding in C++ an implementation of BTree Insertion. I want to display the contents of the Tree in a per-level format. After writing functions and trying to run. I get the error Undefined reference.
// C++ program for B-Tree insertion
#include<iostream>
using namespace std;
// A BTree node
class BTreeNode{
int *keys; // An array of keys
int order; // Minimum degree (defines the range for number of keys)
BTreeNode **child; // An array of child pointers
int size; // Current number of keys
[Code] .....
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Feb 19, 2013
Here is the link for my program, I want to access the average value which is located in grade.c (calculate_grade) class through driver.c (main function) but I don't know how to make "average" visible
[URL] .....
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Aug 2, 2014
#include<iostream>
#include<conio.h>
#include<string>
using namespace std;
class ir;
class Bank_acc {
private:
string name,type,s;
long int accno,temp,balance,in;
[Code]....
errors are:
|6|error: forward declaration of 'class ir'|
|54|error: invalid use of incomplete type 'class ir'|
|99|error: no matching function for call to 'ir::interest()'|
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Oct 22, 2014
how can I make the queue of type pcb
and how to access pid in other clases?
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May 12, 2013
I have defined a class in a header file; just the class, no templates involved. I have a program where I'm reading in data in string format. Each string consists of a word, a delimiter, and a variable name. Example:
cajun/mustard
I want to take that string and make it the variable name of that class type. It would be implemented along the lines of:
Code:
string str;
//read/process string here, get:
str = "mustard";
createName(str);
//pass string to creator function When the function is called, I should get the variable:
Class mustard;
Thing is, I'm not supposed to know beforehand what the variable names are, only that I create them as they are read in. It could be mustard, it could be Maynard_James_Keenan, it could even be bazinga.
My problem is, what do I do for createName()? I've looked into the concepts of pairing, Factory implementation, and maps, but I don't think they answer my question.
(P.S. if I run into the same variable name being read in twice, what steps can I take to make sure that a duplicate variable isn't created? Do I need to add in code, or does the compiler know to watch for multiple variables of the same name?)
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Sep 30, 2014
I want to make a destructor counter...So it needs to be outside that specific instance of the class. And i want to keep it hidden. I don't want to be able to access it from outside the class...I Don't want main.cpp to have access to this variable
Is there a way to do this?
static int destructorCount;
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Dec 18, 2013
Is it possible to initialize class member variables in their definition statement instead of using a constructor?
Is the code bellow correct?
class rectangle
{
float a=0;
float b=0;
public:
string color="Red";
...
};
Which C++ Standard allows it?
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Mar 20, 2014
My program works before i declare a new variable in class. Right after i declared a new int variable called prevans in my guess class, my program crashes when it runs.
Here's my code: Code: #include <iostream>
#include <time.h>
#include <cstring>
#include <cstdlib>
#include <vector>
[Code].....
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Oct 24, 2014
I don't understand why my compiler gives me this error when I'm trying to run this code:
Code:
#include <iostream>
#include <cmath>
using namespace std;
class Airplane
{
public:
Airplane();
~Airplane();
[Code]...
The variable is protected. Yeah, that's right. But shouldn't a derived class be able to reach it? Or is it only in a function that the derived class is able to reach protected variables and isn't able to reach protected variables in the constructor?
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