Clipboard error

[Kray]

I'm trying to write a Windows editor using c/c++. Everything I've done so far works well. Except the clipboard! I can select and copy text to the clipboard and copy it to Notepad or Wordpad, and copy it back to my editor. When I copy from my editor to the clipboard and try to paste in in another location in the same document, I get a bad handle from the GetCliboardData() function according to the results of GetLastError().
Has anyone else had this difficulty? I'd appreciate any info on this. I'm at a loss for any corections.

[writetonsharma]

I hope you are opening the clipboard before doing getclipboarddata()!!!

this might be the casue , else there is not way it should give error. because it looks the data is getting copied to the clipboard correctly but you are not able to fetch it.

[Kray]

I'm certain the clipboard is open. Here is the code:

    case IDM_PASTE:
        if(fOpen == false) //Check for open file
	return 0;
        if (!IsClipboardFormatAvailable(CF_TEXT)){
            MessageBox(hwnd, "Format not available", "Paste Error", MB_OK);
            return 0;
       }
       if(!OpenClipboard(hwnd)){
            FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER |
    		   FORMAT_MESSAGE_FROM_SYSTEM |
		   FORMAT_MESSAGE_IGNORE_INSERTS, NULL,
                                  GetLastError(),  MAKELANGID(LANG_NEUTRAL, 
                                  SUBLANG_DEFAULT),  (LPTSTR) &lpMsgBuf, 0, NULL);
            MessageBox( NULL, (LPCTSTR)lpMsgBuf, "Paste Error",
		 		MB_OK | MB_ICONINFORMATION );
            LocalFree( lpMsgBuf );
            break;
     }
     hClpData = GetClipboardData(CF_TEXT);  // This is where I get an error
     if (hClpData != NULL){
            MemSize = GlobalSize(hClpData); // Get size of global memory
     if(MemSize == 0){   // Size is 0, and last error is Invalid Handle.
	    FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER |
  	    	FORMAT_MESSAGE_FROM_SYSTEM |
	    	FORMAT_MESSAGE_IGNORE_INSERTS, NULL,
                                GetLastError(), MAKELANGID(LANG_NEUTRAL,
                               SUBLANG_DEFAULT), (LPTSTR) &lpMsgBuf, 0, NULL);
        MessageBox( NULL, (LPCTSTR)lpMsgBuf, "Memory Error",
		MB_OK | MB_ICONINFORMATION );
        LocalFree( lpMsgBuf );
        return 0;
    }
    ClpBdDataPtr = (CHAR*)GlobalLock(hClpData);
    if (ClpBdDataPtr == NULL){   // I get the same error here
        FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER |
    	          FORMAT_MESSAGE_FROM_SYSTEM |
                          FORMAT_MESSAGE_IGNORE_INSERTS,
	         NULL, GetLastError(), MAKELANGID(LANG_NEUTRAL,
    	        SUBLANG_DEFAULT),   (LPTSTR) &lpMsgBuf, 0, NULL);
        MessageBox( NULL, (LPCTSTR)lpMsgBuf, "Paste Error",
	 		MB_OK | MB_ICONINFORMATION );
        LocalFree( lpMsgBuf );
        return 0;
    }
    char *PasteBuff = new char [MemSize + 1]; // create a new 
    memcpy(PasteBuff, ClpBdDataPtr, MemSize); // buffer and copy data.
    GlobalUnlock(hClpData);
        	// Call function to insert the text and repaint the window.
     PasteHex(PasteBuff, nCaretPos);
     delete [] PasteBuff;   //delete the buffer;
     }
     CloseClipboard();
     return 0;

Unless there is a problem with the way Windows uses global memory, I haven't found any problem with this code. I can also copy something to the clipboard, exit my editor, restart it and paste from the cipboard to my editor with no error. It's Wierd!!

[writetonsharma]

hahahaha.. looks really wierd what you said.. let me see the code.. will reply soon.

[writetonsharma]

code looks fine.. not able to find anything wrong.. :(
do you have any success?