C / C++ / MFC

Suresh H wrote:

List box contains a list of file names , when we select any item in the list box that file contains should get added to rich edit box.

case WM_COMMAND:
switch(LOWORD(wParam))
case IDC_LIST1:
if (HIWORD(wParam) == LBN_DBLCLK) 
{
//double clicked 
}
break;

<br />
const N = 1000;<br />
char cont[N];<br />
	    				<br />
ifstream fin;<br />
fin.open(FName);<br />
while(fin)<br />
{<br />
	fin.getline(cont,1000);<br />
	::SendMessage(hwndRichEdit,WM_SETTEXT, 0,(WPARAM)cont);<br />
}<br />
						<br />
fin.close();<br />

<br />
                CStdioFile file(str, CFile::modeRead);<br />
		DWORD dwSize = file.GetLength();<br />
		char *pBuffer = new char[dwSize + 1];<br />
		UINT uRead = file.Read(pBuffer, dwSize);<br />
		pBuffer[uRead] = '\0';<br />
		file.Close();<br />
		::SendMessage(hwndRichEdit,WM_SETTEXT, 0,(WPARAM)pBuffer);<br />
		delete [] pBuffer;

Suresh H wrote:

const N = 1000;
char cont[N];

ifstream fin;
fin.open(FName);
while(fin)
{
fin.getline(cont,1000);
::SendMessage(hwndRichEdit,WM_SETTEXT, 0,(WPARAM)cont);
}

fin.close();

char cont[N] = { '\0'};

Suresh H wrote:

case WM_COMMAND:
switch(LOWORD(wParam))
{
case LBN_DBLCLK:
{
HWND hwndListBox = GetDlgItem(hwnd, IDC_SLIST);
int iCurSel =::SendMessage(hwndListBox,LB_GETCURSEL,0,0);
TCHAR FName[25];
SendMessage(hwndListBox,LB_GETTEXT,(WPARAM)iCurSel,(LPARAM)FName);

DWORD       style       = 0;
CMenu       *popup      = (CMenu *) NULL;
MENUINFO    menuInfo;   // see below (1)

memset( &menuInfo, 0x0, sizeof( MENUINFO ) );   // (1)

// create the new menu object
//
popup   = new CMenu();

// create the new popup menu
//
if ( ( popup != NULL ) && ( popup->CreatePopupMenu() == TRUE ) )
{
    // initialize the menu info structure to get its dwStyle member
    //
    menuInfo.cbSize = sizeof( MENUINFO );
    menuInfo.fMask  = MIM_STYLE;

    if ( popup->GetMenuInfo( &menuInfo ) == TRUE )
    {
        style   = menuInfo.dwStyle;

        // (re)initialize the menu info structure to change only its dwStyle member
        //
        memset( &menuInfo, 0x0, sizeof( MENUINFO ) );

        menuInfo.cbSize     = sizeof( MENUINFO );
        menuInfo.fMask      = MIM_APPLYTOSUBMENUS | MIM_STYLE;
        menuInfo.dwStyle    = style | MNS_NOTIFYBYPOS;

        if ( popup->SetMenuInfo( &menuInfo ) == TRUE )
        {
            tcl_publishResult( ip, (char *) create_popup_token( popup ) );
            return TCL_OK;
        }
    }
}

system_error_message( ip, "couldn't create popup menu" );

if ( popup != NULL )
{
    delete popup;
}

return TCL_ERROR;

int             itemPosition    = 0;
char            *label          = (char *) NULL;
CWnd            *root           = (CWnd *) NULL;
CMenu           *menu           = (CMenu *) NULL,
                *popup          = (CMenu *) NULL;
MENUITEMINFO    menuInfo;       // see below (1)

Menu_if_tcl_MenuItem_s_t    *menuItem   = (Menu_if_tcl_MenuItem_s_t *) NULL;

memset( &menuInfo, 0x0, sizeof( MENUITEMINFO ) );   // (1)

menuInfo.cbSize = sizeof( MENUITEMINFO );

// get the popup menu pointer and the label ...
//
// ...
//

// access the main window
//
root    = AfxGetApp()->m_pMainWnd;
menu    = get_owning_menu( ip, root->GetMenu(), positionsList, itemPosition );

if ( ( menu != NULL ) &&
     ( itemPosition != -1 ) &&
     ( (UINT) itemPosition <= menu->GetMenuItemCount() ) )
{
    if ( menu->InsertMenu( itemPosition, MF_BYPOSITION | MF_STRING | MF_POPUP, (UINT) popup->m_hMenu, label ) == TRUE )
    {
        menuItem    = create_menu_item( PopupMenuItem, "" );

        menuInfo.fMask      = MIIM_DATA | MIIM_STATE;
        menuInfo.fState     = MFS_ENABLED;
        menuInfo.dwItemData = (ULONG_PTR) menuItem;

        if ( menu->SetMenuItemInfo( itemPosition, &menuInfo, TRUE ) == TRUE )
        {
            root->DrawMenuBar();
            tcl_publishResult( ip, menuItem->token );
            return TCL_OK;
        }
    }
}

system_error_message( ip, "couldn't insert popup menu" );
return TCL_ERROR;