printing text from an EDIT Field

[Nobody/Anonymous]

I am working on a really cool application and i don't know how to access the text in an EDIT field so i can print it.  Please give source code.  I all ready have the sandard print dialog availible in the dev c++ examples.  Please help.

[Nobody/Anonymous]

this program uses send message WM_GETTEXT and WM_SETTEXT to  access the text in an EDIT field/ dawe@attcanada.net

#include <windows.h>
HINSTANCE hInstGlobal;

LRESULT CALLBACK MsgHandler (HWND, UINT, WPARAM, LPARAM);

int WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance = NULL, LPSTR CmdLine, int CmdShow = SW_SHOWNORMAL)
{
    WNDCLASS myclass;
    myclass.style = 0;
    myclass.cbClsExtra = 0;
    myclass.cbWndExtra = 0;
    myclass.lpfnWndProc = MsgHandler;
    myclass.hInstance = hPrevInstance;
    myclass.hbrBackground = (HBRUSH) (COLOR_WINDOW+1);
    myclass.hCursor = LoadCursor(NULL,IDC_ARROW);
    myclass.hIcon = LoadIcon(NULL,IDI_APPLICATION);
    myclass.lpszMenuName = 0;
    myclass.lpszClassName = "Window";

    RegisterClass (&myclass);

    HWND mywindow= CreateWindow ("Window","Loop Back RS232",WS_CAPTION |WS_SYSMENU |WS_MINIMIZEBOX,
                     0,0,500,340,NULL,NULL,hInstance,NULL);

    ShowWindow (mywindow, CmdShow);
    UpdateWindow (mywindow);
   
    HANDLE hCom = CreateFile( "COM1",GENERIC_WRITE , 0, 0, CREATE_NEW, 0, 0);
    BOOL test;
    DCB dcb;
    dcb.BaudRate = 9600;
    dcb.ByteSize = 8;
    dcb.Parity = NOPARITY;
    dcb.StopBits = 0;
    test = SetCommState(hCom, &dcb);
    if (test=0)      
        {
        MessageBox(mywindow, "No write", "No Function",MB_OK );
        }

    MSG Message;
    while (GetMessage(&Message, NULL, 0, 0))
        {
        TranslateMessage(&Message);
        DispatchMessage (&Message);
        }
    return (Message.wParam);
}

LRESULT CALLBACK MsgHandler(HWND mywindow, UINT Message, WPARAM wParam, LPARAM lParam)
        {
        RECT rect;
        PAINTSTRUCT ps;
        HDC hdc;
        static HWND input,_return;
        LPCTSTR in="Input",_ret="Return";
        HANDLE hCom;
        DWORD cbWritten;
switch(Message)
{
case WM_CREATE:
           input = CreateWindow("Edit",NULL, WS_CHILD | WS_VISIBLE | ES_LEFT |WS_BORDER |ES_MULTILINE
                                 |ES_WANTRETURN, 10, 30,475, 100, mywindow, (HMENU) 1, hInstGlobal, NULL);
           _return = CreateWindow("Edit",NULL, WS_CHILD | WS_VISIBLE | ES_LEFT |WS_BORDER |ES_MULTILINE
                                                ,10, 160,475, 100, mywindow, (HMENU) 2, hInstGlobal, NULL);
           return(0);
case WM_PAINT:
            hdc = BeginPaint (mywindow, &ps);
            TextOut(hdc,10,10,in,5);
            TextOut(hdc,10,140,_ret,6);
            EndPaint (mywindow, &ps);
            return 0;
case WM_COMMAND:
        char szBuffer[290];
        SendMessage(input, WM_GETTEXT, (WPARAM)sizeof szBuffer, (LPARAM) ((LPSTR) szBuffer));
        HANDLE hCom = CreateFile( "COM1",GENERIC_WRITE , 0, 0, CREATE_NEW, 0, 0);
        WriteFile(hCom, (LPARAM) ((LPSTR) szBuffer), (WPARAM)sizeof szBuffer, &cbWritten, (LPOVERLAPPED) NULL);
       
        SendMessage(_return, WM_SETTEXT, (WPARAM)sizeof szBuffer, (LPARAM)szBuffer) ;
        return(0);
           
case WM_DESTROY:
            CloseHandle(hCom);
            PostQuitMessage(0);
            break;
default:
            return DefWindowProc(mywindow, Message, wParam, lParam);
            }
}