C++ :: Unable To Read A Certificate In Windows Store From Console Application
Sep 23, 2014
I have been struggling to read a certificate in windows store from C++ DLL, but its not happening. from console application I can but when same code built as a DLL and tried to access from a separate console application. I think its not going to windows store to read the cert.
pCertContext = CertFindCertificateInStore((HCERTSTORE)*pCertStore, X509_ASN_ENCODING | PKCS_7_ASN_ENCODING, 0, CERT_FIND_ISSUER_OF, operator PCCERT_CONTEXT(), pCertContext);
int Error = GetLastError();
if (Error == 0)
LINFO << "
Signtuare is valid
";
else
LINFO << std::hex << Error << '
' << "GetLastErrorStdStr=
" << GetLastErrorStdStr();
it returns 80092004 GetLastErrorStdStr= C a n n o t f i n d o b j e c.
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Oct 11, 2013
I'm trying to write a program that passes Windows messages back and forth from another program that controls a laboratory instrument. I was able to write a program that successfully passes instructions, as evidenced by the instrument doing what I tell it. However, I am having trouble getting a return status from the instrument. The manual instructs the following:
// demo code, etc.
// send message to the instrument operating software here...
SendMessage(hwnd, WM_COPYDATA, tag, (LPARAM) &cd)
Either a completion message or return data is returned. Remote commands ReturnStatus, ReturnTiming, and ReturnData return data. In either case, data is received through an asynchronous windows message inside Win32 COPYDATASTRUCT type data packet.For example, a typical OnCopyData window callback is shown below, where the string data retrieved is finally stored into a Microsoft CString object. Note the use of variable replyTag, discussed above, which is used to isolate the correct windows message returned.
BOOL CUserDlg::OnCopyData(CWnd* pWnd, COPYDATASTRUCT* cd) {
….
if (cd->dwData == replyTag) {
/* String pointing to status */
CString retStatus = (char*) cd->lpData;
}
….
}
I can't tell if my problem is in generating the replyTag, getting the HWND to my own console window, or the actual receiving part of the code.
When setting the replyTag, the manual instructs: UINT replyTag = RegisterWindowMessage(“SOFTMaxProReplyMsg”);. However, I have to put an "L" in front of the string or I get a data type error (can't convert const char* to LPCWSTR).
When setting a HWND for myself, the manual instructs: HWND MyWnd = GetSafeHwnd().
That produces an error because GetSafeHwnd is a function of the Cwnd class, and I don't have a Cwnd. I have replaced it with HWND MyWnd = GetConsoleWindow();
When listening for the reply message, the manual instructs what I quoted above. However, I again don't have a Cwnd. I therefore simply used
if (cd.dwData == replyTag) {
CString retStatus = (char*) cd.lpData;
}
The above if statement always evaluates false, and the cd.lpdata contains the message that I had sent out instead of a reply message. How to get a reply using my console application. Here is the full code of my function:
Code:
#include "stdafx.h"
#include<iostream>
#include<vector>
#include<string>
#include<afxwin.h>
using namespace std;
void SendCommand(string command) {
// Get tags to identify the receiving and sending messages
[code]....
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Sep 27, 2013
I need to be able to actually read my encrypted file..
I have the decryption code and works perfectly when running it through console app c++.
But, the way I decrypt is to decrypt from a file, and create a new file which is decrypted.
I can't use that kind of code in my program in windows form app c++..
I need to read the encrypted text file and decrypt it in memory while using it for my program..
Some links to my codes I use at the moment.
My decryption coded in console application: [URL] ....
My decryption code edited for form application (Did not do anything) [URL] ....
And this is the code I tried to read after it got decrypted (Reading file written in combobox_selectedindexchange: [URL] ....
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Oct 4, 2012
i have task scheduling application which execute every 30 minute i want to keep this process when system is log off in c# console application
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Mar 3, 2013
how can i write a value on the console and not typing on it and scanf take it to my variable?
Here is what i have now (not working):
typedef struct _testtruct{
UINT variable;
}testtruct;
printf("Enter value: ");
printf("2013");
scanf("%d", &test.variable);
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Sep 7, 2013
I have this problem, then solve it by using the other kind of SDL.dll(eg. 32-bit instead of 64-bit). However, I get the error
The application was unable to start correctly (0xc00000be). Click OK to close the application.
no matter what SDL.dll I use. So far, the only solution does not work for me,
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Apr 6, 2013
Any tutorials on adding a UI to a console application? All I really need is a button that will run one function every time I click it.
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Feb 7, 2013
I have a question about to run an MFC dialog based C++ application from console: if I run my application from console, I see the application start and the console immediately back to prompt. I need that console wait the application exit before show me the prompt again. I tried on Visual Studio 6, 2005 and 2010 but the behavior is the same.
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Aug 16, 2012
I've downloaded a file that I need to include in a new project. It's called phidget21.h and it's sat on my desktop. I've tried copying it to lots of various places. But I still can't get a new source file to compile. I think I haven't copied it to the right place yet. Where should I have copied it to?
#include <cstdlib>
#include <iostream>
#include <phidgets21.h>
[Code]....
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Sep 20, 2013
I'm trying to make this run as a service so that kbhit can be interacted with even when the console is out of focus. How would I do this?
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Feb 10, 2015
my C++ console application should be like a command prompt. There are "command lines" to execute in the command prompt.Here are my main prompts for spotlight:
Encode - New data entry
View - Read data from text file
Search - Find record from text file
Update - Save changes per text line from the existing text file
Delete - Delete lines from the text file
Now, I manage to do the tasks for Encode, View, and Search..But unfortunately, not in Update..I've been working this for a week already..
#include "stdafx.h"
#include "iostream"
#include "string"
#include "fstream"
using namespace std; //to omit the std
}
[code]....
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Aug 8, 2013
I'm thinking of making a horror text-based game, which would use sounds, if you could also tell me of an API to display images in an alternate window that would be nice.
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Oct 31, 2014
Is it possible to show a console window in a Win32 DLL?
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Mar 23, 2013
I know how to make a console application open a browser say like by entering
system("start iexplore.exe");
But that just goes to the browsers default start up page. The code to make it open a website of my choice (if its possible to on a console app).
(BTW I'm using Microsoft Visual C++ 2010 Express)
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Aug 1, 2013
I am stuck in visual studio 2010 file I/O ... i placed file1 file2 using the following program under VS2010/projects/projectname/file, file1 and also in debug also once......I am actually using cmd line arguments in debug mode
Code:
// feof files.cpp : Defines the entry point for the console application.
//
#include "stdafx.h"
#include<stdio.h>
#include<stdlib.h>
#include<conio.h>
int main(int argc, char* argv[])
[Code] ....
I dont think in C++ forum the printf will do any problem...when i run the program it says "cannot open source file" and a window appears saying"Debug assertion failed"....and other details such as Expressionstream!=NULL).perror
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Nov 22, 2012
how l can add multiple records when using the console app. This is the excercise l have done so far:
string name;
string surname;
int score;
Console.Write("Enter Name:");
[Code]....
l want to be able to add more student records and display the student with the top score.
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Mar 26, 2012
how to connect a Firebird database with a Devc++ console application? I have tried different things with no success.
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Mar 24, 2013
actually it is the windows application .When i'm running my program it is not allowing me to enter the data into textboxes means the cursor is not appearing
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Jan 5, 2014
All I am trying to do is create another source file in a simple Visual Studio C++ console application.
I get the following errors:
intellisense: expected a delcaration
error C2447: "{" missing function header
I didn't create another int main () in this source file, so what is causing these errors.
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Mar 16, 2014
I'm building a simple system management console application. I've abstracted the console "Menu" and derived from it a "WelcomeMenu" class with public inheritance.
The problem is that when instantiating a Menu* object and assigning it a new WelcomeMenu...I'm still not able to use WelcomeMenu's "ShowWelcomeMessage() with the Menu* object. Instead, I get "error: Class 'Menu' has no member function call 'ShowWelcomeMessage().' Which is true, but I thought a pointer-to-Menu object should be able to use the public methods of derived classes without casting in this case. Code follows.
// Menu and WelcomeMenu Classes
#ifndef MENU_H
#define MENU_H
#include <ctime>
#include <iostream>
#include <string>
[Code] .....
I get a compiler error when running this simple program:
#include <iostream>
#include <ctime>
#include "Utilities.h"
#include "Menu.h"
using namespace std;
[Code]....
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Jul 12, 2014
I'm having some trouble working out how to read the console output in realtime, here's my code:
The button which starts the console application:
private void HELPRUN_Click(object sender, EventArgs e)
{
this.Output.Text = "";
[Code]....
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Oct 23, 2012
I want to open one new CMD from console application, write text into the new CMD and then coming back to the control on the old cmd. (like interactively working on the both)
look into the below code
Process P1 = Process.Start(@"C:WINDOWSsystem32cmd.exe");
P1.StartInfo.RedirectStandardInput = true;
P1.StartInfo.RedirectStandardOutput = true;
P1.StartInfo.UseShellExecute = false;
StreamWriter wr = P1.StandardInput;
wr.WriteLine("First line in New Cmd");
Console.WriteLine("First line in Old Cmd");
wr.WriteLine("Second line in New Cmd");
Console.WriteLine("Second line in Old Cmd");
it is giving the exception "StandardIn has not been redirected"
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Feb 5, 2015
I am using Windows 7 32bit OS and want to detect the CPU power button press event in my console application developing in C language.
I configured the power button setting to "Do Nothing" which is in "Choose what the power button does" options in Control Panel->Hardware and Sound->Power Options. So now i want to detect this power button press event and do some processing in my application then i will initate shut down from application itself. Looking for windows API details which will detect the power button press event.
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Mar 28, 2014
I have a Windows desktop application with 2 projects. The main project, and a simple windows service project. I have written the service and the service installer. I have added code to my main window to start the service, but I can't figure out how to install the service when the application runs for the first time, or is installed. Ideally I would like the service to be installed when the application is installed, I'm just not sure how to do that.
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Nov 9, 2013
I am new in Visual C++ and I have to make an MFC application with "child" windows. Here is what i need to achieve - [URL] ..... As you can observe when you click on the cross of popup window or child window 2 both are closing.
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Apr 7, 2014
I created two split views like this:
BOOL CMainFrame::OnCreateClient( LPCREATESTRUCT lpcs, CCreateContext* pContext ) {
CFrameWnd::OnCreateClient(lpcs, pContext);
if (!m_wndSplitter.CreateStatic (this, 2, 1) ||
[Code]....
When I step into CMainFrame::OnAlohaHowAreYou(), I found m_pDoc is NULL. If I remove the split views and make CMainFrame::OnCreateClient() like below, then there is no problem.
BOOL CMainFrame::OnCreateClient( LPCREATESTRUCT lpcs, CCreateContext* pContext ) {
CFrameWnd::OnCreateClient(lpcs, pContext);
return TRUE;
}
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