C++ :: Initializing Direct2D Class - Syntax Error
Mar 16, 2012
I'm using a singelton class ( is this coded correctly?), and from the main class, im trying to initiliaze my Direct2D class, only I do get this error:
error C2143: syntax error : missing ';' before '.'
These lines gives it:
CSingleton.GetCDirect2DInstance()->CreateDeviceIndependentResources();
singleton.hpp
Code:
#ifndef CSingleton_h__
#define CSingleton_h__
#include "CDirect2D.hpp"
class CSingleton {
public:
static CDirect2D* GetCDirect2DInstance();
[Code] ....
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Apr 3, 2013
I've just recently started to learn C++, and I'm encountering some errors I can't seem to figure out.
InventoryItem.h:
Code:
#pragma once
class InventoryItem {
public:
InventoryItem(string name, int amount);
~InventoryItem(void);
string getName(void);
int getAmount(void);
[code].....
Errors:
Code:
1>d:c++consoleapplicationconsoleapplicationinventoryitem.h(6): error C2061: syntax error : identifier 'string'
1>d:c++consoleapplicationconsoleapplicationinventoryitem.h(8): error C2146: syntax error : missing ';' before identifier 'getName'
[Code] .....
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Feb 3, 2013
I am using code::blocks for c programming and when i take debugger in below code it show ..
a syntax error in expression near "if"..
I am just checking debugger ...
Code:
#include <stdio.h>
#include <string.h>
int main()
{
char s1[100];
[Code] ....
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Feb 28, 2014
I am just starting out with loops and I have run into an syntax error and for the life of me I cant find out the issue. Before it has been an issue of me forgetting to close my brackets but I am pretty sure I did that this time. I am trying to have the program keep looping the main menu until the user inputs a correct number.
float total_Bal = 0.00;
char user_Choice;
do
{
[Code]....
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Apr 20, 2012
I keep getting a "Declaration syntax error" at line ""int main()". Is there something wrong with my int main()? And how do I go about it? Here is the program:
#include<stdlib.h>
#include<iostream.h>
#include<stdio.h>
#include<math.h>
#include<conio.h>
float rung4(float x, float y, float h)
int main() {
float eps=0.00001;
[Code] .....
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Feb 19, 2012
I got syntax error in if statement ,, i checked the line i put { after the condition don't know where the mistake are
1>c:usershani est11 est11code.cpp(20) : error C2143: syntax error : missing ';' before 'if'
PHP Code:
# include <iostream>
using namespace std;
int seqsearch (int list[],int length,int key);
void main () {
int marks [30];
[Code] ....
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Apr 21, 2014
#include "IMyIntData.h"
class MyIntData : public CPMUnknown<IMyIntData>
{
I need to know what this syntax means (including MyIntData in angular brackets after parent class name) where IMyIntData is the Interface from where MyIntData is derived.
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Jan 30, 2015
void main() {
clrscr();
cout<<" Menu";
cout<<"
1. Display all the employees' info.";
cout<<"
2. Display specific employes' info.";
cout<<"
3. Display employee with max salary.";
[code]....
Declaration syntax error at line 89, I don't get this everything is proper.
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Apr 6, 2012
if (comboBox1.Enabled == true && textBox5.Text != "")
{
OleDbConnection con = new OleDbConnection();
con.ConnectionString = @"Provider=Microsoft.ACE.OLEDB.12.0;" + @"Data Source= c:usersmert" + @"documentsvisual studio 2010ProjectsPayrollCSWindowsFormsApplication7P ayrollDB.accdb";
[Code]....
this is my code. I am getting this error on "cmdole2" query.
error text is:
---------------------------
---------------------------
System.Data.OleDb.OleDbException (0x80040E14): Syntax error in INSERT INTO statement.
at System.Data.OleDb.OleDbCommand.ExecuteCommandTextE rrorHandling(OleDbHResult hr)
at System.Data.OleDb.OleDbCommand.ExecuteCommandTextF orSingleResult(tagDBPARAMS dbParams, Object& executeResult)
[Code]....
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Jan 6, 2015
Let's say I have a Car object , and it contains inner Engine object.
Code:
struct Car{
Engine mEngine;
};
In order to initialize the engine object NOT by the default constructor (if it has any) , we use initialization semantics:
Code:
Car::Car:
mEngin(arg1,arg2,...)
{
other stuff here
}
Now it gets tricky: Let's say a Car objects has 10 inner objects, each object has about 5 variables in it . Car is a base class for , e.g. , Toyota class. you don't want the Car class to have a constructor with 50 arguments. Can the inner objects of Car be initialized from the base class , e.g. Toyota?
Code:
class Toyota:
Car(...),
mEngine(...),
mGear(..)
{
...
};
The other options are:
1) like said , create a Car constructor which gets 50 arguments, then initialize Car as whole from Toyota - the code becomes less readable and less intuitive
2) Car constructor which get built-objects as arguments and initialize the inner objects with copy constructor . the code gets more readable but then you create many excess objects .
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Jan 8, 2014
I wrote this program and compiled in turboc, but it gets error"declaration syntax error" .
Code:
#include <stdio.h>
int main()
int isprime(int n)
{
if(n<2)
return 0;
[Code] ....
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Feb 18, 2013
Here's my code. The error's at the last line.
Code:
#include <stdio.h>
#include <string.h>
#include <ctype.h>
#define max_con 30
void add_contact();
void edit_contact();
void del_contact();
void list_contact();
[Code] .....
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Feb 21, 2014
private void update_Click(object sender, EventArgs e) {
OleDbConnection conn = new OleDbConnection(@"Provider=Microsoft.ACE.OLEDB.12.0;
Data Source=C:UsersshobhitDocumentsEnvironment_Monitoring.accdb;
Jet OLEDB:Database Password=divya6");
String sdat = dateTimePicker1.Value.ToShortDateString();
String la = labs.SelectedItem.ToString();
[Code] ....
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Apr 30, 2014
I wrote a sequential matrix multiplication program in c.
After execution i get error like
./mul.c: line 11: syntax error near unexpected token `('
./mul.c: line 11: `int main(){'
#include<stdio.h>
#include<stdlib.h>
#include<time.h>
#define wA (30 * 16)
#define wB (50 * 16)
#define hA (80 * 16)
#define hB wA
#define wC wB
[Code] ....
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Nov 8, 2013
In my project, GreedyKnap::calKnap(int nItem, int nCapacity, float fWeights, float fProfits);
This function include two array member pass as parameter. how can i do this?
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Feb 9, 2014
Okay so inside my ArcherArmor.cpp, I'm trying to figure out why the map initializer list isn't working, but for some reason I keep getting "Error C2593: 'operator =' is ambiguous". Here is my code:
I also have a class which ArcherArmor is derived from, that has a struct called `Armor`, which I left out for simplicity. The main problem is that error! The only thing I can think of is that im initializing the map wrong.
//ArcherArmor.h
#include <string>
#include <map>
class ArcherArmor {
private:
map <int, Armor> soldier_armor;
public:
void ArcherArmor_shop();
[Code] .....
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Mar 7, 2014
I have a class MySeqBuildBlockModule that I am inheriting from: public SeqBuildBlock. Other than constructor and destructor, this class MySeqBuildBlockModule has a method: prep.
class MySeqBuildBlockModule: public SeqBuildBlock {
friend class SeqBuildBlockIRns;
public:
MySeqBuildBlockModule (SBBList* pSBBList0, long TI1_In, long TI2_In)// more arguements in this constructor of derived class
: SeqBuildBlock (pSBBList0)
[code]....
I would have like to intiantiate an object "myIRns_3" of a class defined in third party library
SeqBuildBlockIRns myIRns_3(pSBBList2);
and would like to access it from the prep function as:
double dEnergyAllSBBs_DK = myIRns_3.getEnergyPerRequest();
I tried to instantiate following in either private section or in constructor; but w/o any success:
SeqBuildBlockIRns myIRns_3(pSBBList2);
ERRORS encountered:
When I tried to do it inside the constructor, I get the following errors:
MySBBModule.h(113) : error C2065: 'myIRns_3' : undeclared identifier
MySBBModule.h(113) : error C2228: left of '.getEnergyPerRequest' must have class/struct/union type
MySBBModule.h(116) : error C2065: 'pSBBList' : undeclared identifier
MySBBModule.h(116) : error C2227: left of '->prepSBBAll' must point to class/struct/union
When I tried to do it in private section, I get the following errors:
MySBBModule.h(106) : error C2061: syntax error : identifier 'pSBBList2'
MySBBModule.h(113) : error C2228: left of '.getEnergyPerRequest' must have class/struct/union type
MySBBModule.h(116) : error C2065: 'pSBBList' : undeclared identifier
MySBBModule.h(116) : error C2227: left of '->prepSBBAll' must point to class/struct/union
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Mar 1, 2013
Here's a bit of code:
CvClimateInfo::CvClimateInfo() :
m_iDesertPercentChange(0),
m_iJungleLatitude(0),
m_iHillRange(0),
m_iPeakPercent(0),
[Code] ....
does this means that these variables are initialized with the values between parentheses?
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Sep 26, 2014
I am working on a homework assignment and have most of the program working, but when I try to compile it keeps telling me to initialize the coin variables in each class. However, they are supposed to be added then removed so I don't want to set them back to zero.
Rewrite the Purse program given in Page 35 with functions to perform insert and remove operations. The function insert (int p, int n, int d, int q) will initialize pennies, nickels, dimes and quarters. The function dollars() will return the dollars. The function remove (int p, int n, int d, int q) will subtract pennies, nickels, dimes and quarters. The function display() returns a new String to print the content of the purse with remaining pennies, nickels, dimes and quarters.
Code:
usingnamespace std;
int insert_money (int *p, int *n, int *d, int *q);
int remove_money (int *p, int *n, int *d, int *q);
int dollars();
int main()
[Code] ....
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Feb 4, 2014
I came across a piece of c++ code that seems to be initializing a class object like this:
ImapMailbox *mailbox;
Now the class looks like this:
class ImapMailbox {
public:
ImapMailbox();
ImapMailbox (const QString& mailbox);
~ImapMailbox();
// Methods
void addMessage (ImapMessage *message);
[Code]...
And the constructor looks like this:
ImapMailbox::ImapMailbox()
: d(new ImapMailboxPrivate)
{
d->unseen = d->exists = d->recent = 0;
d->readWrite = false;
d->flags = 0;
}
But this does not seem to be an array like object. So what exactly could this be pointing to?
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Apr 28, 2013
I want to use this array as part of my class. I have tried several different angles trying to get it to work but with out success. I have been checking to see if it works by simply using "cout << dayName[3];" It is printing nothing at all. What is the proper way to initialize this array of strings?
First I tried this:
const string dayName[] = {"Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"};
then I tried this:
const string dayName[7];
dayName[0] = "Sunday";
dayName[1] = "Monday";
dayName[2] ="Tuesday";
dayName[3] ="Wednesday";
dayName[4] ="Thursday";
dayName[5] ="Friday";
dayName[6] ="Saturday";
My implemetation file code and my header file code is here (header first):
//dayType.h, the specification file for the class dayType
#include <iostream>
#include <string>
using namespace std;
class dayType{
[Code] .....
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Jan 21, 2014
I have a direct2d application and I want to be able to detect mouse clicks. One example is, (in my borderless window) I would like to have an X at the top right of the screen, that when clicked would close the window. How can I do something like this?
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Dec 3, 2014
A have two classes, one inheriting the other, and the parent class being abstract (I plan on adding more child classes in the future). For reasons I won't bother mentioning, I'm making use of an STL container as a way for me to access all of the child objects in the heap. I've done so by making use of a map, with key type int and value type being a pointer to the parent class:
//PARENT.H
class Parent {
protected:
static int n;
static std::map<int, Parent*> map;
public:
virtual void pureVirtual() = 0;
[code]....
The Problem:In line 5 of Parent.cpp, initializing the value of the element to new Child won't work, as according to the compiler, the Child class hasn't been declared yet, and including Child.h into the Parent.h only opens an even bigger can of worms.I also can't initialize it as new Parent, seeing as the parent class is an abstract one.
The Question:Is there a way I can initialize the static map properly. Making the Parent class abstract is not an option.
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Feb 9, 2013
Apparently the default behavior with Direct2D when rendering is to scale everything I render based on the size of the render target/window. How can I prevent this? I want to decide for myself when to scale the image, regardless of the size of the window.
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Jul 6, 2014
error says "cannot convert 'int*' to 'int' in function main()
and also
type mismatch in parameter in function sort(int,int)
Heres the code:
#include<iostream.h>
#include<conio.h>
void main() {
void sort(int,int);
clrscr();
[Code] .....
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Feb 20, 2012
class Base
{
char * ptr;
public:
Base(){}
Base(char * str)
[code].....
Obj1 is a derived class object where base class char pointer is initialized with "singh" and derived class char pointer is initilized with "sunil". I want to create Obj2 out of Obj1. Separate memory should be created for Obj2 char pointer (base part and derived part as well) and that should be initialized with the strings contained in Obj1.
Here the problem is: Derived class part can be initialized with copy constructor. How to initialize the base class char poniter of Obj2 with the base class part of Obj1. char pointers in
both the classes are private.
I tried using initializer list but could not succeed.
Is there some proper way to do this?
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