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POPPAD1.C
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1991-10-01
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91 lines
/*-------------------------------------
POPPAD1.C -- Popup Editor Using Child Window Edit Box
(c) Charles Petzold, 1990
---------------------------------------*/
#include <windows.h>
long FAR PASCAL WndProc (HWND, WORD, WORD, LONG);
char szAppName[] = "PopPad1" ;
int PASCAL WinMain (HANDLE hInstance, HANDLE hPrevInstance,
LPSTR lpszCmdLine, int nCmdShow)
{
HWND hwnd;
MSG msg;
WNDCLASS wndclass;
if (!hPrevInstance)
{
wndclass.style = CS_HREDRAW | CS_VREDRAW;
wndclass.lpfnWndProc = WndProc;
wndclass.cbClsExtra = 0;
wndclass.cbWndExtra = 0;
wndclass.hInstance = hInstance;
wndclass.hIcon = LoadIcon (NULL,IDI_APPLICATION);
wndclass.hCursor = LoadCursor (NULL, IDC_ARROW);
wndclass.hbrBackground = GetStockObject (WHITE_BRUSH);
wndclass.lpszMenuName = NULL;
wndclass.lpszClassName = szAppName;
RegisterClass (&wndclass);
}
hwnd = CreateWindow (szAppName, szAppName,
WS_OVERLAPPEDWINDOW, CW_USEDEFAULT,CW_USEDEFAULT,
GetSystemMetrics (SM_CXSCREEN) / 2,
GetSystemMetrics (SM_CYSCREEN) / 2,
NULL, NULL, hInstance, NULL) ;
ShowWindow (hwnd, nCmdShow);
UpdateWindow (hwnd);
while (GetMessage (&msg, NULL, 0, 0))
{
TranslateMessage (&msg);
DispatchMessage (&msg);
}
return msg.wParam;
}
long FAR PASCAL WndProc (HWND hwnd, WORD message, WORD wParam, LONG lParam)
{
static HWND hwndEdit ;
switch (message)
{
case WM_CREATE :
hwndEdit = CreateWindow ( " edit ", NULL,
WS_CHILD | WS_VISIBLE | WS_HSCROLL | WS_VSCROLL |
WS_BORDER | ES_LEFT | ES_MULTILINE|
ES_AUTOHSCROLL | ES_AUTOVSCROLL,
0,0,0,0,
hwnd,1,
((LPCREATESTRUCT) lParam) -> hInstance, NULL) ;
return 0 ;
case WM_SETFOCUS :
SetFocus (hwndEdit) ;
return 0;
case WM_SIZE :
MoveWindow (hwndEdit, 0, 0, LOWORD(lParam),
HIWORD(lParam), TRUE) ;
return 0;
case WM_COMMAND:
if(wParam == 1 && HIWORD( lParam ) == EN_ERRSPACE)
MessageBox (hwnd,"Edit control out of space.",
szAppName,MB_OK | MB_ICONSTOP );
return 0;
case WM_DESTROY:
PostQuitMessage(0);
return 0;
}
return DefWindowProc (hwnd,message,wParam,lParam);
}