Visual C++ :: Passing Message Using Active Directory?
Jan 29, 2015
I have a DLL developed using pure VC++ (all unmanaged code that doesn't use .NET framework). This DLL will be deployed in different client PCs within a network and will act like an agent.
Now I have establish a communication between this DLL and a WCF web service, that will be deployed in a server PC. The Service will first get a list of PCs either name or IP Address within a network using LDAP (Active Directory) and once, we get the PCs, I have to establish a communication between the web service and the agents that reside in these client PCs,
How can I accomplish this?
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Sep 11, 2013
I have a logined user and my running program as system process (not user process).
I want to get user name and surname from AD.
1. GetUserName() dont useful becouse it gets name for current process owner(for SYSTEM in my case).
2. There are userLogin, userName, userSurname and userDisplayedName in user properties of AD. Its possible to get userDisplayedName by NetUserGetInfo(), but
I want to know is it possible to get userName and userSurname?
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Apr 14, 2015
how to get a list of the active processes on a computer?
What I need to do is check for a specific process to see if it's running on the system.
I just need to know if a certain process is present.
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Nov 24, 2014
My goal is to know if Windows is installed on an active disk partition.
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Oct 29, 2014
Based in some examples of source codes as this [URL], I'm trying get active url on address bar from Google Chrome with IAccessible, but it always return NULL (0).
Here is my last attempt:
Code:
#include "stdafx.h"
#include <Windows.h>
#include <Oleacc.h>
#pragma comment( lib,"Oleacc.lib")
HWINEVENTHOOK LHook = 0;
[code]....
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Nov 6, 2014
I'm implementing parallel gaussian elimination using message passing. However, there is a problem with allocations and I don't get the correct answer. The matrix A is decomposed into smaller matrices (ie subA) and used into a buffer.
int n = 2; // for matrix size 1024 (additionally 2048 and 4096 was calculated)
#define MAXN 2
volatile float **a, *b, x[MAXN];
// generate a and b randomly; x is set to 0
void generateMatrix() {
[Code] ....
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Mar 21, 2013
write mpi-c program for implementing graph coloring?(mpi-message passing interface used for parallel programming)
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Jul 30, 2014
I have a simple dialog based app that performs some time consuming file manipulations. The activating method contains the customary
Code:
CWaitCursor wait;
The hour glass initially appears, than after a few seconds, the dialog title bar indicates 'not responding'.
This is misleading to users as it suggests the application has ceased to function when, in fact, it's working just fine. I would like very much to eliminate this 'not responding' message but havn't a clue how to do it. Have any of you dealt with this problem, if so, how?
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Jul 12, 2013
I have been using the code below to extract the current user directory in order to read and write to certain files, presumeably independent of whether or not the user has administrative privileges. This has been necessitated in Win 7 because applications installed in the customary C:/Program Files(x86)/ are not allowed full access to files in the installed app root directory. This was working just fine until just this week when suddenly, for the first time, I found that the user directory retrieved was different when the app was run without administrative privileges in 'Start without debugging' configuration, both in Debug and Release configuration. Note that I have tested the identical app on Win2K and Vista and in neither case is it a problem on those OS machines. More mysterious is the fact that this ONLY happens on Win7 (VS2010 Ultimate) when run in the IDE. Run from the windows explorer double click, the app runs just fine in release and debug mode and monitoring the debug version using DbgView indicates that the expected 'Roaming' User directory is retrieved.
For example:
- without debugging (both Debug and Release configuration) the code below produces:
m_csUserDirectory =: C:UsersMPLIAMAppDataLocalPliaTechUeberKrypt
- with debugging (both Debug and Release configuration) the code below produces:
m_csUserDirectory =: C:UsersMPLIAMAppDataRoamingPliaTechUeberKrypt
Either this has been the situation from the outset and I just never noticed it (hard to imagine as I've been on this project for 6 months with 50+ builds), a recent Windows update has changed things, a bug, or I'm just plain stupid (not hard to imagine at all).
From a practical standpoint, if this is the way things are to be, my installer will need to install necessary files in both user directories and the app will need to access both depending upon user privileges.
Code:
/// This routine retrieves the process's environment block
/// using GetEnvironmentStrings, parses that block pointed to
/// by the generic international text pointer LPTCH, and returns
/// the requested string lpszVarStr as a string.
/// Note that the block lpvEnv environment variable substrings
/// are separated by NULL byte, and the block is terminated by a NULL byte.
/// The header files <windows.h>, <tchar.h>, <stdio.h>, <string>, and
/// <iostream> need to be included.
[code].....
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Apr 17, 2015
Is it possible to edit the message map at startup instead of just having it set at compile time?
I'm reading some values from an XML file at startup. The menu options will be determined from what I find in there. But I need to assign those menu options to the message map.
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Jan 26, 2014
C-> Visual studio 2010-> windows 7
How to create a directory / folder.( to browse/save my files to a directory.) how to specify the path?
I googled , but i cant able to find appropriate as it is showing all in the C#, C++ , objective C. But not in C.
Here i am writing a sample program to my POS device .problem here is it is not taking mkdir(direct/dir.h header file)function. Any alternative is there to make a directory?
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Oct 21, 2013
I have a project that compiles fine with VS 2010. As I compile it with VS 2012 it generates the entitled error. Why?
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Nov 23, 2014
Code:
_int64 free_space_64bit;
PULARGE_INTEGER lpFreeBytesAvailable, lpTotalNumberOfBytes,lpTotalNumberOfFreeBytes;
//char currentPath[MAX_PATH];
//GetCurrentDirectoryA(MAX_PATH, currentPath);
GetDiskFreeSpaceExA("H:C", lpFreeBytesAvailable, lpTotalNumberOfBytes,lpTotalNumberOfFreeBytes);
free_space_64bit = lpFreeBytesAvailable->HighPart << 32 | lpFreeBytesAvailable->LowPart;
This directory "H:C" does exist, if I comment out the GetDiskFreeSpaceExA line, the program doesn't crash, but it leads to some peculiar results (some uninitialized and random value, but at least it doesn't crash)
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May 28, 2014
is it possible to take integer or char data type on message box to V C++?
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Sep 28, 2014
You place a breakpoint at one of locations within the message loop. But I want the breakpoint to trigger when I click on the application window, for example. But I can't, it went so fast so long as I switch from VS to the application program, the breakpoint is hitted again, then the application is frozen again. I don't know how to setup a conditional breakpoint.
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May 31, 2013
I'm looking for a resource (possibly CPP) for which I could do the following on a windows and linux machine:
1) type a string message into a GUI control (or some other input that can be accessed by the resource).
2) run a resource script that puts the message through a hash function (or a custom hash function) and outputs the hash string.
3) have a reverse function available in order to decrypt the message in an input fashion just like step #1.
what open-source resource might be the best for this? Right now I am imagining typing a message into a text file, saving the file to a hard drive location, running a script on it replacing the old file with a new file that just has a hash string in it, then using that hash string for the encoded message.
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Jul 13, 2014
I'm currently making a math program in c++ windows form application. I'm trying to make it so where the user presses the number button I such as 1 button to display a 1 in my textbox.
Code:
private: System::Void button1_Click(System::Object^ sender, System::EventArgs^ e) {
}
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Jul 23, 2014
Is there a way I can do message processing between a Win32 application and Javascript using some Windows CallBack function or using Send or Post message?
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Jun 7, 2013
Is there a way an ASPX page can send a notification message to my IE Plugin which is developed in VC++?
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Feb 17, 2013
I want to send messege to click select check box. I can click button but I don't know how to select check box with VC.
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Jan 2, 2014
I have a problem in a c++ project. I have created a .dll file and hooked to an .exe
I want this .dll to make a ping or to send a message like hello somewhere, and IF ping or message doesn't receive an answer that's means the user has suspended-terminated this dll from the exe then the exe will close. How can i do that?
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Jan 22, 2013
The following code is useful to allow a user to select a particular folder in the disk directory.
Code:
void OpenFolder() {
LPMALLOC pMalloc; //,pMalloc2;
CString strDirectory;
BROWSEINFO bi;
// Gets the Shell's default allocator
wchar_t pszBuffer[MAX_PATH];
[Code] ....
However, if one uses this code over and over, one quickly becomes tired of threading one's way all the way from root directory C:. There is undoubtedly some way to designate a starting directory. The most obvious candidate to set such a target is the:
Code:
bi.pidlRoot = NULL;
But attempting to set bi.pidlRoot to a CString (directory address) errors because 'no suiitable conversion from CString to LPCITEMIDLIST exists'
How can I set the code to open at a designated address in the directory tree?
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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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Aug 12, 2013
I have a crash on a application the customer machine i couldn't reproduce it yet on my machine... all i have is the error message
The Instruction 0x0070478b referencing to the memory 0x00000000 could not be written.
And that's all i have how do i track that instruction on my program from that address? is it possible?
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Oct 2, 2014
I've created a new dialog in my MFC dialog based application. the new dialog contains 5 control buttons. The following happens and I don't understand why?
1. click on buttonX. (result ok, OnBnClicked message is sent)
2. click on on any place of the application, but not on the dialog.(removing focus from dialog)
3. click again on buttonX (FAILED, OnBnClicked message is NOT sent). but if instead I click on any other button in the dialog (result ok, OnBnClicked message is sent).
And when I do:
1. ...
2. ...
3. click on the dialog area just to set focus on the dialog again
4. click again on buttonX. (result ok, OnBnClicked message is sent)
**I need to do step 3 only if I want to click again on the buttonX! why?? I think it related to SetFocus() but I m not sure how.
I've tried different style like, tool windows, overlapped, popup. it happens in all the cases.
Code:
class CToolsDlg : public CBDialog {
DECLARE_DYNAMIC(CToolsDlg)
public:
CToolsDlg(CWnd* pParent = NULL); // standard constructor
virtual ~CToolsDlg();
CToolTipCtrl m_ToolsTips;
[Code] .....
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Jan 7, 2015
I have finally got around to developing C++ & MFC using Visual Studio 2012, to build a full GUI Windows application (not sure if I have made the right choice). Though admittedly in two months time I do have a dialog window at my beck and call.
Now I have discovered a flaw (suspect) partially caused by the design of this program not all following the same principles, nor written by the same people and long predates me. Let describe the situation.
I have a dialog I have created as a class which has a combo box. The list of items are populate during the OnInitDialog() function just fine, except if the file where the detail is not yet read from that combo box would not have any items other than the default. This is to be expected in the use of the program, so fine.
However, if the dialog (modeless) was already open and active, when the user went up to and selected the menu command (main window) to read that file that CPtrList data structure that held that data would not populate that Combo box on my dialog.
So what I would like when I am done reading the files contents is to detect if my dialog is opened and if so send it a message to Activate (force a call to OnActivate()). I have gone to the event list for the dialog and exposed this event handler from the resource editor just fine.
I see the syntax of OnActivate() is
void MyClass::OnActivate(UINT nState, CWnd* pWndOther, BOOL bMinimalized);
So nState is an Unsigned Int of the current state of the thread/window (not sure)?
CWnd* pWndOther is the CWnd of my other Window that wants my dialog to activate I think which is the main application since it was on the a menu that this function was called to read the file.
bMinimalized is whether my dialog is mimalized(?)
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