C++ :: Changing Object Property Through Console?
May 27, 2013
Working on a console application and I am trying to figure out a way that allows users to enter an object property along with a value. For example
HTML Code:
class Box {
public:
int height;
int width;
int length;
[Code] ....
For example if a user inputs "height" for Name and "13" as value I would like to find a way to change ab's height to 13. I want to make this work so that one can add another class and get the same functionality.
I tried looking online and I think maps are a way to do this and I tried doing that but I don't know how to proceed after/what code to write that would allow me to change it.
Note: I can't use if else statements or hardcoding to match the input to member as I want to make this extensible.
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May 27, 2013
Working on a console application and I am trying to figure out a way that allows users to enter an object property along with a value. For example
class Box{
public:
int height;
int width;
int length;
[Code] .....
For example if a user inputs "height" for Name and "13" as value I would like to find a way to change ab's height to 13. I want to make this work so that one can add another class and get the same functionality.
I tried looking online and I think maps are a way to do this and I tried doing that but I don't know how to proceed after/what code to write that would allow me to change it.
Note: I can't use if else statements or hardcoding to match the input to member as I want to make this extensible.
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May 13, 2014
I try to change the text color of console in C++. I know some commands like .
system("color fg");
But I want to change the color of only one line of console. Is this possible?
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Apr 9, 2014
i have a program that is a Mediastore and i have 4 classes. Produkt: which is a class with a few variables that i use to add products to my List.
public class produkt
{
public string Name;
public string price;
[Code]....
then i have my Lager class which i use to add my products to my list and Listbox. This is done by having 3 textfields where i say what the Name,SerialNumber and Price of the object i created should have.
In this class i also have 2 more textfields and a button that make it possible to add a quantity of the selected listbox object of my product Class. if the item im trying to add a quantity to dosent exist i get a question if i wanna add that product and it adds that product to the list. if however the product allready exist its suposed to add the quantity with the selected amount from my textbox.
Then I have my Class Kassa which is a Form with 2 Listboxes. The first listbox share the same List as the one in my Lager class and the other listbox is the listbox which i use to take items from my produktlist and put it in my checkout "basket" then i am suposed to be able to choose one of these items from my checkout basket put the amount i want of that item into a textfield called KvantLEv and press the checkout button to be able to simulate a checkout and then this selected item's quantity is suposed to be lowerd by the specified amount and is to be removed from the checkoutlistbox but this aint working... this is my checkout function so far
private void cashout()
{
produkt p = new produkt();
int a = VaruKorg.Items.Count - 1;
[Code]....
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May 16, 2013
I've just recently moved from Visual Basic 6 over to C++ and decided that I would try and write a class to mimic the Get/Set behavior seen in a variety of other programming languages. So instead of just using an overloaded function, i.e:
Code:
class NoProp {
LPCWSTR m_Title;
public:
void Title(LPCWSTR NewValue) {m_Title = NewValue;};
LPCWSTR Title() {return m_Title;};
[code].....
So far this code only works with the LPCWSTR type (const wchar_t*). Unfortunately I got to this stage using only that type, and now when I try another type, such as int, it fails. When using the int type I believe it creates an error because the constructor of InitProp expects a type of pointer to be parsed. When I try using it with int* type (the private variable then becoming int **m_Variable) it compiles, thought I cannot access the property like a normal int.
My best guess from here is that I probably have to overload the InitProp constructor in a way that it can setup the Property classes for base-types and pointer-types, and then also modify the Property class to handle both.
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Apr 23, 2012
I want to change the string name to property name..
for example
public class Code {
public int RD{get;set;}
public Code() {
GetCode();
}
private void GetCode() {
string cd= "RD";
cd=1; // cd represent to property name "RD"
}
}
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Jan 28, 2015
It's a shock to me seeing the partial display of variables being picked by intellisense. I am working in VS2013 environment. I have a project, in the project Settings file I created string variables of about 100 to be accessed across the files for the project, like this:
A example of thew variable it worked for
public static String TradeportAccordionSystemAdminInstitutionManagement = Settings.Default.[b]TradeportAccordionSystemAdminInstitutionManagement[/b];
An example of the variable it did not work for
public static String TradeportAccordionSystemAdminInstitution = Settings.Default.
So, does it mean that the Settings file has a limit of variables that should be declared in it?
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Jun 1, 2012
I have base class with some properties(variables).I want to inherit that class and want to change name of that properties in the derived class using concept of Shadowing.
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Jul 31, 2013
Here the max sdk plugin is looking at X:projects rather than x:program files (x86)autodeskmaxsdk Inside the autodesk folder, there is a projectsettingspropertysheets subfolder where the plugin is looking for.
Now an error pops up saying it needs X:projectsprojectsettingspropertysheets....How can I fix that?
<Import Project="........ProjectSettingsPropertySheets3dsmax.general.project.settings.props" />
I find it hardcoded / How do I set where visual studio to search the correct property setting files automatically?
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Jul 17, 2014
I have been playing around with property sheets/property pages and have been successful in getting them to work in a secondary dialog by calling the property sheet using DoModal().
How to get the property sheet to display on the main dialog of a dialog application.
I am using VS2008 and CMFCPropertySheet and CMFCPropertyPage.
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Apr 4, 2013
Is it possible to create property which I can pass parameters? Here is what I would like to do:
__property double a = {read=getA("a"), write=setA("a")};
__property double b= {read=getB("c"), write=setB("c")};
double getA(char *a);
void setA(double value, char *a);
double getB(char *a);
void setB(double value, char*a);
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Apr 17, 2013
I have a problem creating a MAPI property. I have code like this:
Code:
intSetProperty( LPPROFSECT lpProfileSection, LPSPropValue lpPropValue) {
HRESULT hr;
LPPROPDATA lpPropData;
SPropValue spvEID;
[Code] .....
I want to create the choose_directory_Automatically property if its not exists. But I don't know how. If the CreateIProp method returns me a pointer in lpPropData how can I put the PropTag and the Value in it?
I have already implemented change the property if it exists already but the Outlook Addressbook stays on automatically until I or the user creates this property. I took a look with OutlookSpy at this property but I could not come any further.
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Nov 3, 2012
I developed a sample application in EF which has 3 tables
PersonDetails, BankDetails and FixedDepositDetails.
Please find the table structure below
create table PersonDetails
(PersonId int Primary Key,
PersonName varchar(30))
create table BankDetails
(BankId int Primary Key,
BankName varchar(100),
[Code] ....
But when I run the application I get an error as
The navigation property 'Bank_Id' is not a declared property on type 'FixedDepositDetails'. Verify that it has not been explicitly excluded from the model and that it is a valid navigation property.
If I am not wrong I think I have made some mistakes when creating the model.
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Jan 15, 2013
Later i used trial version of vc2010 and created a static library using the below link. Its worked. [URL] .....
But now I'm using VC2003.Details as follows,
Microsoft Development enviroinment 2003 Version 7.1.3088
CopyRight @ 1987-2002 Microsoft Corporation. All Rights Reserved.
Microsoft .Net Framework 1.1 Version 1.1.4322
CopyRight @ 1998-2002 Microsoft Corporation. All Rights Reserved.
I used the same procedure & created the Static lib. But couldn't use this lib file in my main project.B'cos the project's property window doesn't have the :
Common Properties -> Framework & References
Couldn't find. Here with i attached missed property in VC2003. How can i set this property? Is any other way to use static lib in main project (application)?
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May 17, 2014
any easy way to resize property sheet/page dialogs automatically or semi automatically?. have tried too many stuff, but none were fruitful.
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Feb 19, 2015
When i click the back button, I like to skip some old pages & rotate pages view in my property sheet.
I have 5 pages, when i clicked the User button in my MainDlg the below function called like,
User Button Clicked -> Page1 Opened
Next Button Clicked
-> Page2 -> Page3 -> Page4 -> Page5
Back Button Clicked
Page1 <- Page2 <- Page3 <- Page4 <- Page5
This work done. working good.
Code:
void MainDlg:: onButtonUserClicked()
{
CSheet oSht(this);
Page1 p1;
[Code]...
My requirement is,
User Button Clicked -> Page1 Opened
Next Button Clicked
-> Page2 -> Page3 -> Page4-> Page5 -> Page1(Again called 1st page automatically - rotate pages view)
Back Button Clicked(Cur Page loc is Page5)
(Start the prev Process)Page5 <- Page1 <- (Skip the Page2 & 3)Page4 <- Page5
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Jan 30, 2013
I am trying to include library paths in VS 2012 through the new property pages.I downloaded and installed mpich2-64 bit libraries under "C:Program FilesMPICH2include" and set the include path in Microsoft.cpp.x64.user property file so the path now looks like
Code:
"$(VCInstallDir)include;$(VCInstallDir)atlmfcinclude;$(WindowsSDK_IncludePath);C:Program FilesMPICH2include;"
But somehow it fails to find the files.
Code:
fatal error C1083: Cannot open include file: 'mpi.h': No such file or directory
The file is definitely there, so what could be the problem ?
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May 21, 2013
The code below is supposed to fill, show, and revalue property. The fill function is supposed to return a pointer that creates a range of property values. The show function is supposed to show the property values entered and the revalued property values. I think part of the problem is the returned pointer from the fill function. Once that is cleared up, I think I will find more problems.
Code:
#include <iostream>
const int Max = 5;
// function prototypes
double fill_array(double ar[], int limit);
void show_array(double * begin, double * end);
[Code] .....
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Jun 14, 2012
I am working with repeater.. Actually i have placed a linkbtn in item template.. In that linkbtn i am displaying names from database.... And i have created an event for the lnkbtn.. In that event i want to get the text property of linkbtn....
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Mar 16, 2013
will copy constructor does object initialization using another already created object? I understand that it can be applied for object initialization and not for assignment.Is it correct?
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Jul 3, 2014
I have a method to take a Tile object and make an instances of it based on some data from the original object. Than it is suppose to manipulate the a specific instance and save the results. The first loop through it works but it changes all instance as well as the base.
public static int recurse(int count, Tile[,] b,Huristic h,int check) {
if (check==1) {
boardState.Add(B)/>;
return check;
} if (check == 0)
[Code] .....
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Dec 13, 2012
#include "B.h"
class A {
public :
A()
{
s_b = new B();
b = new B();
[Code] ....
In my project i have seen static object as above . But not able to know what is the exact use of it and how they are different from general object .
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Nov 4, 2014
I was opened CPropertySheet from main dialog at very first time, again i was opened the CPropertySheet from current PropertySheet's Page 1 using button click event.
How can i close these two sheets and go to main dialog.
I was used EndDialog(0);
Which goes to previous sheet only.
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Sep 11, 2014
a function returns a temporary object like
int myfun(){
int x = 0;
return x;
}
this function will return a temporary integer now void fun1(const int & num); this function can receive from myfun().BUT void fun2(int & num); this function cannot receive from myfun() Why is that, Moreover what is lifetime of a temporary object like one returned in myfun() ???
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Mar 28, 2014
I am trying to use web api in order to return custom json response keys. For this i have return a custom class to return json response
Custom Class:
using System;
using System.Collections.Generic;
using System.Globalization;
using System.Linq;
[Code].....
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May 4, 2013
I have a combobox with Items 1024
2048
4096
8192
String cach = form.comboCache.SelectedItem.ToString();
I am using the above code to retrive an item selected by user,But this line is giving an exception "Null Reference Exception, Object reference not set to an instance of an object"
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