Need help on WinCE remote database connection - C / C++ / MFC Discussion Boards

Code-o-mat8-Dec-08 1:18

8-Dec-08 1:18

Ah, i think i see the confusement here, when i hear cursor i think of the mouse cursor, while you are talking about the caret, right? The little blinking line that shows where you type...Are you sure the control receives the WM_SETFOCUS message when it gets the focus?

> The problem with computers is that they do what you tell them to do and not what you want them to do. <

Re: EditBox with focus but no cursor

BadJerry8-Dec-08 1:25

BadJerry

8-Dec-08 1:25

of course you're right - it's called the caret and not the cursor... my mistake. Yes the control does get the focus: when I type, it gets updated...
The temporary fix I have done is to give the focus to the tab control and then with a timer give it back to the edit... madness but at least it works... most bizarre

Re: EditBox with focus but no cursor

Code-o-mat8-Dec-08 1:35

Code-o-mat

8-Dec-08 1:35

I have seen this happening too but i can't remember anymore what the problem actually was... Frown | :(

If you hit the ALT key, do you maybe see the focus rect appearing on the tab control? I have seen strange behaviour appearing when setting the focus in an unapropriate time. I think you could simply use PostMessage to overcome this, so no need for a timer. Try posting (not sending) WM_SETFOCUS to the edit when it has been shown, or maybe post a custom message (like WM_USER) to the tab control which will set the focus on the shown page when it receives it. (I'd try the later aproach)

> The problem with computers is that they do what you tell them to do and not what you want them to do. <

Re: EditBox with focus but no cursor

bob169728-Dec-08 1:52

bob16972

8-Dec-08 1:52

Are you using CreateSolidCaret. Does your custom edit control use an offscreen memory buffer for drawing?

Re: EditBox with focus but no cursor

BadJerry8-Dec-08 1:57

BadJerry

8-Dec-08 1:57

No (CreateSolidCaret) and no (memory buffer)... it's is a simple MFC CEdit with no customisation whatsoever... it's simply a child window of a CWnd derived control!

Re: EditBox with focus but no cursor

bob169728-Dec-08 3:41

bob16972

8-Dec-08 3:41

In your initial comment you stated, "I am trying to build this custom cursor" and later you clarified that you meant "caret" so I naturally assumed you were creating a custom "caret" but apparently not so just ignore my question.

I apologize for misunderstanding.

Re: EditBox with focus but no cursor

BadJerry8-Dec-08 3:43

BadJerry

8-Dec-08 3:43

oh thanks for pointing this out - I meant custom control - gee not my day!

Need help on WinCE remote database connection

sribachana7-Dec-08 23:29

sribachana

7-Dec-08 23:29

I am new to WinCE environment.I need to connect to MS Excel database on windows XP from winCE device... Please give me some idea on how to do it...

Following code unable to write/upload file on a HTTP Server

Dhiraj kumar Saini7-Dec-08 23:25

Dhiraj kumar Saini

7-Dec-08 23:25

My following code is unable to upload/write file on the server.
Please tell me whats wrong or how can i upload it in a different way on an HTTP Server.
I am using MFC.

INTERNET_BUFFERS BufferIn = {0};
	DWORD dwBytesRead;
	DWORD dwBytesWritten;
	BYTE pBuffer[1024]; // Read from file in 1K chunks
	BOOL bRead, bRet;
	HANDLE hFile;




	HINTERNET hSession = InternetOpen(NULL,
                                      INTERNET_OPEN_TYPE_PRECONFIG,
                                      NULL,
                                      NULL,
                                      0);
    HINTERNET hConnection = InternetConnect(hSession, 
                                            _T("www.crmpanel.com"),  // Server
                                            INTERNET_DEFAULT_HTTP_PORT,
                                            NULL,     // Username
                                            NULL,     // Password
                                            INTERNET_SERVICE_HTTP,
                                            0,        // Synchronous
                                            NULL);    // No Context


	

     BufferIn.dwStructSize = sizeof( INTERNET_BUFFERS );

     HINTERNET hRequest = HttpOpenRequest(hConnection,
											_T("PUT"),
											_T("cp3/wn_fupload-oo.php"),
											NULL,
											NULL,
											NULL,
											0,
											0);
     if (!hRequest)
     {
       //printf("Failed to open request handle: %lu\n", GetLastError ());
		 MessageBox(_T("Failed to open request handle:"),NULL,MB_OK);
       return ;
     }

	//HttpAddRequestHeaders(hRequest, _T("Content-Type: multipart/form-data;sid=52501;"), -1, HTTP_ADDREQ_FLAG_ADD);




	 hFile = CreateFile (_T("c:\\Image1.gif"),
						GENERIC_READ,
						FILE_SHARE_READ,
						NULL,
						OPEN_EXISTING,
						FILE_ATTRIBUTE_NORMAL,
						NULL);

     if (hFile == INVALID_HANDLE_VALUE)
     {
       //printf("\nFailed to open local file.");
	    MessageBox(_T("Failed to open local file"),NULL,MB_OK);
       return ;
     }



     BufferIn.dwBufferTotal = GetFileSize(hFile, NULL);
	 MessageBox(_T("File size is"),NULL,MB_OK);
     //printf ("File size is %d\n");//, BufferIn.dwBufferTotal );

	// CString h = _T("Content-Type: multipart/form-data");
	
	//CString s = _T("filename=Iamge1.xml&filetype=gif&filesize=70204&sid=52501&csesid=111");

	//BOOL bo = HttpSendRequest(hRequest,(LPCTSTR)&h, h.GetLength(),(LPVOID)&s ,s.GetLength());



	 

     if(!HttpSendRequestEx(hRequest, &BufferIn, NULL, HSR_INITIATE, 0))
     {
		 MessageBox(_T("Error on HttpSendRequestEx"),NULL,MB_OK);
		 DWORD err = GetLastError();
		//printf( "Error on HttpSendRequestEx %lu\n");//,GetLastError() );
       return ;
     }
	 


     DWORD sum = 0;
     do
     {
       if  (!(bRead = ReadFile (hFile, pBuffer, sizeof(pBuffer),
           &dwBytesRead, NULL)))
       {
		 MessageBox(_T("ReadFile failed on buffer"),NULL,MB_OK);
         //printf ("\nReadFile failed on buffer %lu.");//,GetLastError());
         break;
       }
       if (!(bRet=InternetWriteFile( hRequest, pBuffer, dwBytesRead,
           &dwBytesWritten)))
       {
		 MessageBox(_T("InternetWriteFile failed"),NULL,MB_OK);
         //printf ("\nInternetWriteFile failed %lu");//, GetLastError());
         break;
       }
       sum += dwBytesWritten;
     }
     while (dwBytesRead == sizeof(pBuffer)) ;

     CloseHandle (hFile);
	 MessageBox(_T("Actual written bytes:"),NULL,MB_OK);
     //printf ("Actual written bytes: %d\n");//, sum);

     if(!HttpEndRequest(hRequest, NULL, 0, 0))
     {
	   MessageBox(_T("Error on HttpEndRequest"),NULL,MB_OK);
       //printf( "Error on HttpEndRequest %lu \n");//, GetLastError());
       return ;
     }

Thanks in Advance

Dhiraj

Re: Following code unable to write/upload file on a HTTP Server

David Crow8-Dec-08 3:07

David Crow

8-Dec-08 3:07

Dhiraj kumar Saini wrote:
My following code is unable to upload/write file on the server.

And? How are we supposed to offer any suggestions if you don't tell us what is wrong, what you've tried, etc?

"Love people and use things, not love things and use people." - Unknown

"The brick walls are there for a reason...to stop the people who don't want it badly enough." - Randy Pausch

How to change the appearence of mouse pointer to sand Time

kapardhi7-Dec-08 23:03

kapardhi

7-Dec-08 23:03

Hai
I have an MFC application in which i download a binary file into a device.
I have a status bar, which tells the progress of download, during this time i want to change the appearence of the mouse pointer to a sand time
which is being done in almost all applications , how to do it ?
Thanks!

Re: How to change the appearence of mouse pointer to sand Time

Code-o-mat7-Dec-08 23:14

Code-o-mat

7-Dec-08 23:14

BeginWaitCursor()[^] and EndWaitCursor()[^]

> The problem with computers is that they do what you tell them to do and not what you want them to do. <

Re: How to change the appearence of mouse pointer to sand Time

K. Sushilkumar7-Dec-08 23:15

K. Sushilkumar

7-Dec-08 23:15

If you are using MFC then try,

BeginWaitCursor();
...
EndWaitCursor();

or

CCmdTarget::BeginWaitCursor();
...
CCmdTarget::EndWaitCursor();

Thanks.

Re: How to change the appearence of mouse pointer to sand Time

Stuart Dootson7-Dec-08 23:17

Stuart Dootson

7-Dec-08 23:17

<a href="http://msdn.microsoft.com/en-us/library/wc7bzytb%28VS.80%29.aspx" rel="nofollow">CWaitCursor</a>[<a href="http://msdn.microsoft.com/en-us/library/wc7bzytb%28VS.80%29.aspx" rel="nofollow" target="_blank">^</a>]

Re: How to change the appearence of mouse pointer to sand Time

Chandrasekharan P7-Dec-08 23:20

Chandrasekharan P

7-Dec-08 23:20

u can use SetCursor function

SetCursor(LoadCursor(NULL, IDC_WAIT));

IDC_WAIT is HourGlass

Re: How to change the appearence of mouse pointer to sand Time

Iain Clarke, Warrior Programmer8-Dec-08 0:32

Iain Clarke, Warrior Programmer

8-Dec-08 0:32

In addition to your other replies, you might be up/downloading the file using some sort of background thread. If the upload takes any length of time, I *hope* you're using a thread to keep your UI responsive.

In which case, you will also have to handle WM_SETCURSOR, other wise as soon as the mouse moves, your cursor will go back to normal.

Yours-been-bitten-by-this-in-the-past,

Iain.

Re: How to change the appearence of mouse pointer to sand Time

David Crow8-Dec-08 3:10

David Crow

8-Dec-08 3:10

kapardhi wrote:
...how to do it ?

Simply respond to the WM_SETCURSOR message.

"Love people and use things, not love things and use people." - Unknown

"The brick walls are there for a reason...to stop the people who don't want it badly enough." - Randy Pausch

Microsoft Enhanced Cryptographic Provider question

monsieur_jj7-Dec-08 23:02

monsieur_jj

7-Dec-08 23:02

Hi all,

I have used this csp when I initiate my decryption:

CryptAcquireContext(&hProv,NULL,MS_ENHANCED_PROV,PROV_RSA_FULL,0);

I have also checked http://msdn.microsoft.com/en-us/library/aa386986(VS.85).aspx[^] and have verified that 3des is supported. Is it possible that http://www.codeproject.com/KB/web-security/Cryptography_MD5_TriDES.aspx?display=Print[^] may have a different output from a c++ version of the code? Can anyone give me a c# encryption and an equal c++ decryption examples?

Thanks,
Jayjay

Re: Microsoft Enhanced Cryptographic Provider question

C^hris L^osinger8-Dec-08 1:14

C^hris L^osinger

8-Dec-08 1:14

monsieur_jj wrote:
Is it possible that http://www.codeproject.com/KB/web-security/Cryptography_MD5_TriDES.aspx?display=Print[^] may have a different output from a c++ version of the code?

any implementation of 3DES must give the same results as any other implementation, given the same inputs.

image processing toolkits | batch image processing

How to link the edit box and spin control

Member 46517417-Dec-08 22:19

Member 4651741

7-Dec-08 22:19

Hi,

I have one Edit box in dialog application(VC++ 6.0).Just i added spin control to the edit box, i have set the arnge for the spin control in the Init dialog function of my class. now am not able to see the value , when i use up/down in the spin control. it is updating in somewhere.

pls give any solution

Thanks in adavnce.

Thanks,

Balaji

Re: How to link the edit box and spin control

Rajesh R Subramanian7-Dec-08 22:36

Rajesh R Subramanian

7-Dec-08 22:36

See here.

It is a crappy thing, but it's life -^ Carlo Pallini

Re: How to link the edit box and spin control

Code-o-mat7-Dec-08 22:42

Code-o-mat

7-Dec-08 22:42

Trz calling SetBuddy of the spin control specifying yout edit. Something like:
my_spin.SetBuddy(&my_edit);

> The problem with computers is that they do what you tell them to do and not what you want them to do. <

Re: How to link the edit box and spin control

Member 46517417-Dec-08 23:03

Member 4651741

7-Dec-08 23:03

Hi ,

am not able to useSet Buddy MFC beacuse i have declared my edit box variable as double. if i pass the address of my edit box variable. it says cannot convert from double to CWnd*

thanks,
balaji

Re: How to link the edit box and spin control [modified]

Code-o-mat7-Dec-08 23:12

Code-o-mat

7-Dec-08 23:12

You have at least 3 possibilities:
1. as someone already mentioned, use the auto-buddy feature (set that to true in the dialog editor for your spin button and make sure the spin comes right after the edit in tab order)
2. specify a control variable too for your edit button (CEdit) and pass that to SetBuddy
3. use GetDlgItem() to get a pointer for your edit control and feed that to the SetBuddy call (presuming you already have a CSPinButtonCtrl type member assigned to your spin control.

> The problem with computers is that they do what you tell them to do and not what you want them to do. <

modified on Monday, December 8, 2008 5:37 AM

Re: How to link the edit box and spin control

Member 46517417-Dec-08 23:33

Member 4651741

7-Dec-08 23:33

i have used GetDlgItem(ID name) and then what i have to pass in the SetBuddy function.

Use Ctrl+Left/Right to switch messages, Ctrl+Up/Down to switch threads, Ctrl+Shift+Left/Right to switch pages.