Visual C++ :: Cannot Find Function DlgProc
Apr 9, 2014
The code is bulit for the x64 platform with unicode enabled.
Code:
class CameraExporter : public UtilityObj {
static INT_PTR CALLBACK DlgProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam);
};
void CameraExporter::BeginEditParams(Interface* ip,IUtil* iu) {
[Code] .....
Error2error LNK2019: unresolved external symbol "public: static __int64 __cdecl CameraExporter::DlgProc(struct HWND__ *,unsigned int,unsigned __int64,__int64)" (?DlgProc@CameraExporter@@SA_JPEAUHWND__@@I_K_J@Z) referenced in function "public: virtual void __cdecl CameraExporter::BeginEditParams(class Interface *,class IUtil *)" (?BeginEditParams@CameraExporter@@UEAAXPEAVInterface@@PEAVIUtil@@@Z)e:Jackydocumentsvisual studio 2010ProjectsCameraExporterCameraExporterCameraExporter.objCameraExporter
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Apr 19, 2013
I have a std::map<int, foo>
what's the ideal way to get an iterator to the item that has the largest key (int) smaller than a given value.
basically, the item before upper_bound(). I can use upper_bound() and then decrement, but it needs special cases for both end() and begin(), and in the case of end() I'm not sure how I get it to the last item in the map, afaik, we're not allowed to decrement end().
Code:
auto it = mymap.upper_bound(x);
if (it==mymap.begin()) // first item in the map is already too large. reject
NotFound();
else if (it==mymap.end())
[Code] .....
// here it points to largest item smaller than x.
I can iterate over the entire map and do a compare, but then I pretty much loose the benefit of the binary search.
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Dec 17, 2013
How to sum groups in C++? I have a class with 2 attributes (Group and Price). I need to find the group with the highest amount. I can find the max when it comes to finding a set of individual numbers but not when a group is required. For Ex:
Group A64
Group A48
Group A18
Group B49
Group B36
Group C64
Group C75
Group C87
Group C72
The group with the highest amount is GROUP C
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Oct 13, 2014
In the following code I want to iterate through "Win32_OperatingSystem" to find all variables and their values. Using GetNames() I can get the names of all the variables but the subsequent Get() call fails to return a value.
Code:
//connect to WMI
std::wstring wmiClass = L"Win32_OperatingSystem";
CComPtr< IWbemLocator > pLocator;
HRESULT hResult = pLocator.CoCreateInstance( CLSID_WbemAdministrativeLocator, nullptr, CLSCTX_INPROC_SERVER );
if ( SUCCEEDED( hResult ) )
[Code] ....
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May 18, 2013
Somehow I have expanded the "quick find" window in visual c++ 2010 and how to restore it to the original size.
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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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Dec 6, 2012
I have written a program to capture signal from machine and display it on screen in the form of sinosoidal wave. I have print buffer for 256 X 400 pixel strip chart. This prints fine if I set page size A4 and resolution 600 DPI. If anyone changes print parameters , there is problem. I can resize the printer buffer and interpolate the stored signal.
My problem is , how to find the printer resolution from GetDeviceCaps ? how to know the Print Type Normal / Draft etc in mFC.
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Oct 3, 2013
Just using Find in my source code to look for variables or whatever, works once or twice then just stops - Doesn't find anything even if it's there. If I restart VS it works again, but not for long.
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Sep 22, 2014
For a while, I have been running a Windows 7 Visual Studio 2012 CPP project fine. However, today, all of a sudden, it has stopped being able to read any header files that are in relative directories. I cannot think what I have done to make this happen.
It seems to be an issue with Visual Studio as a whole, rather than my individual project, because I have created a new simple project and I am having the same problem. So, I have a CPP project at `C:/Projects/TestProject`. Then, I have a header file called `test_header.hpp`, which is located at `C:/Headers`. In `TestProject`'s project settings, I have added the directory `../../Headers` to `Additional Include Directories`. Then, my main functions is as follows:
Code:
#include "test_header.hpp"
int main() {
return 0;
}
Which gives me the error:
Code:
Error1error C1083: Cannot open include file: 'test.hpp': No such file or directoryc:projects estprojectmain.cpp11TestProject
Is there some global Visual Studio setting that is responsible for setting up these relative directories? Just in case the relative directory was not correct, I also tried a load of others, such as `../Headers` and `../../../Headers`, but these gave the same errors.
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Oct 14, 2012
find the address of function? mail the ans on (email removed)
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Jan 24, 2013
My MDI Project(VC++2010 Professional) is unable to catch errors ,though I return ,try catch block. So I developed simple dialog based application .Placed one button on Dialog and on its click written following code
Collapse | Copy Code
void CMFCExecDlg::OnBnClickedButton1() {
try {
int j = 0;
int i = 10/j;
}
catch(CException * e) {
MessageBox(_T("Hello"),_T(""),MB_OK);
}
}
But still program control does not come in catch block it simply gives error. I tried all child classes of CException but no use.I think there will be some setting in Visual Studio. How to handle exceptions
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Mar 20, 2014
my problem:I have a text (singleline) and a fix width for the whole text.
How do I find the correct font (height) for this text?
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Feb 26, 2013
I have a file on one server(Windows 2003) and need to access from another server (IIS server - Windows 2008) , I have written the program for the same which works fine and I can access the file.
But when this comes to the DLL (which registered successfully on Windows 2008), its not able to find the file on Windows 2003.
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Sep 24, 2013
I have been trying to finish this code (function) for a while now, but am stuck on the last part. In this code, I prompt the user to select a number of integers and any number of digits and then find the smallest and largest value within these digits. On the next part, I am supposed to determine which of the given digits the smallest and largest are located such that the output should be:
Digit _ can be found in integer number(s): _, _
Here is what I have tried:
Code:
int digitSizeLoca() {
int userNumInteger;
int* iPtr;
int* iPtr2;
int* iPtr3;
int value;
[Code] ....
Seems to do the job, but it always outputs 1, 2...
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Sep 4, 2013
I defined the following function to find out the iterator of a certain value in the vector. I defined it as such so if the value exist in the vector then return a iterator of it, if not then return a pointer pointing to nonsense.:
vector<tIndex_t>::iterator unlabelTit(const tIndex_t index) {
for(vector<tIndex_t>::iterator it=unlabelT.begin(); it<unlabelT.end(); it++) {
if(index==*it) return it;
} return NULL;
}
But looks this one is not accepted by compiler, saying I cannot do this kind of comparison like:
unlabelTit(i)!=NULL;
so I just delete the return NULL; and then the compiler giving me warning about no return statement before }.
a pointer pointing to nonsense? how to do that?
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Oct 20, 2014
My code seems to find the mode of the array I input sometimes. Sometimes it gives me the wrong number or multiple numbers. It just all depends on what is number is inputted into the array. I don't know what the problem is. I tried looking online and editing many times and can't find the answer. Maybe I'm overlooking something or doing something wrong. Here's my code.
#include <stdio.h>
void readArray(int arr[], int length)
{
printf("Enter data:
");
[Code].....
Maximum: 15
Mode: 2
As you can see the mode is clearly not 2 and I do not know why.
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Aug 2, 2014
I wrote this code to find the factorial of any given function ., works fine but when i put it in a class... it gives me an error ::assignment of read only variable fact;
#include <iostream>
using namespace std;
const static int fact=1;
class My_Factorial {
public:
int x;
void Get_Number(){
cout<<"enter a number to find its factorial";
[Code] ....
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Aug 31, 2014
I'm having issues with pointers and relationship operators in C.
I need to find a max and min value in a void function using pointers. max and min would work if they had values. mul works, because you can just do math operations with pointers.
There are 0 errors and warnings; but max and min are never going to work as is.
Clearly I'm missing something.
#include <stdio.h>
#include <stdlib.h>
void max(int *a, int *b, int *c, int *d, int *result);
void min(int *a, int *b, int *c, int *d, int *result);
void mul(int *a, int *b, int *c, int *d, int *result);
int main()
[Code]...
Your job will be to create a program that uses pointers. Your output must be done in the main function and the calculations MUST be done in the three functions. Therefore you MUST use pointers correctly.
You must declare and implement the following 3 functions. Below are the three prototypes that you must use in this program.
void max(int *a, int *b, int *c, int *d, int *result);
void min(int *a, int *b, int *c, int *d, int *result);
void mul(int *a, int *b, int *c, int *d, int *result);
The functions have the following meaning:
max
finds the max value of a,b,c,d and stores the largest value in result.
min
finds the min value of a,b,c,d and stores the largest value in result.
mul
multiplies a * b * c and divides by d. Stores that value in result.
Below is an example input/output. This input will be read in via the keyboard (use scanf).
input
output (note that user input is shown in bold)
1 2 3 4
Enter the 4 numbers: 1 2 3 4
The max is 4. The min is 1. (a * b * c) / d = 1
100 3 201 103
Enter the 4 numbers: 100 3 201 103
The max is 201. The min is 3. (a * b * c) / d = 585
Your output MUST match exactly the output below for the input from above. Your program must compile, failure to do so will result in 0 points. */
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Nov 30, 2012
I want to find the address of printf() in c.
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Nov 2, 2013
Code:
#include <iostream>
using namespace std;
int main() {
//I'll be making a 1 dimensional array
int array1d[25];
[Code] .....
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Mar 12, 2014
I am trying to figure out the larger 2 out of 3 integers when i call them into a function from main program so far i have . How to write a simple function that will take 3 ints and find the sum of the higher 2?
Code:
int findsum(int a,int b,int c)// will find the highest int and return it to our main program {
int max,max2;// this sets our local variable max
// next we will find the larger of our first 2 variables
if( a>=b)
[Code]....
How to get the second highest number and add it to max...
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Oct 15, 2013
I am trying to print a specific line from a textfile
e.g
I have a text file called info.txt and inside it contains the id,item name, price, quantity
Code:
1,shirt,100,10
2,pants,50,9
3,pen,20,8
I know how to find a specific word at the line in the file but how do I find and print out the specific line e.g(print out just the entire contents of line 2)?
Code:
string temDescription;
ofstream fout;
int curLine = 0;
[Code].....
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Dec 8, 2012
I have two pieces of code:
Code:
#include <cmath>;
#include <iostream>
#include <fstream>
#include <cstdlib>
#include <string>
#include <iomanip>
[Code] ....
I am using the gnu glpk library to calculate a linear program for my matrices. Why I get the error message exit code 3 which apparently means "The system cannot find the path specified"?
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Feb 20, 2013
I have to write a c++ program with my own function which consists of two parameters (day, month). Function have to return number of days since the begining of this year. Using this function i have to find out how many days are left till birthday (or how many days have passed since last birthday)
This is how far i am:
Code:
#include <iostream>
using namespace std;
int cikDienu(int diena, int menesis);
int main()
[Code] ....
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Mar 6, 2015
I am trying to create a function to find the entry point of my map.But my program does not seem to be working correctly. I am trying to place a dot there because I will have to use recursion to fill up the whole map. But I'm not asking for the answer. I just need writing a function to locate the starting row for the first column of the maze (first non zero element). My code seems to have a bug in it when I try and call my function FindEntry. What I am trying to do is read in column by column until I can find the starting point and then place a dot there with ASCII character 249. This is my code so far:
Code:
#include<stdio.h>
#include<Windows.h>
#define HEIGHT 21
#define WIDTH 78
[Code]....
If you try and run it, it will give you a bug. But if you comment out the FindEntry function in the main it will work and look like this:
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Nov 15, 2014
I use rand function to generate a number which consists of 3-5 digits(e.134,1435,73463..). The user decides whether he wants a 3 digit,4 digit or 5 digit number.After that,the user tries to guess the number.Its like mastermind game.The user will enter a number (with the same amount of digits) and the program will calculate how many digits from the secret number he has found and also how many digits he has found in the correct position(e.if the generatir produces the number 32541 and the user tries the number 49581 the program should tell him that he found 3 digits (5,1,4) and 2 digits in the correct position(5,1)) so that after some tries he finds the secret number.My problem is with the functions so that i can compare the digit of each number,find the amount of same digits and the amount of digits in same position.
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