子视窗控制项 - windows编程基础

ow ( szAppName, TEXT ("head"),
WS_OVERLAPPEDWINDOW | WS_CLIPCHILDREN,
CW_USEDEFAULT, CW_USEDEFAULT,
CW_USEDEFAULT, CW_USEDEFAULT,
NULL, NULL, hInstance, NULL) ;

ShowWindow (hwnd, iCmdShow) ;
UpdateWindow (hwnd) ;

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

LRESULT CALLBACK WndProc ( HWND hwnd, UINT message, WPARAM wParam,LPARAM lParam)
{
static BOOL bValidFile ;
static BYTE buffer[MAXREAD] ;
static HWND hwndList, hwndText ;
static RECT rect ;
static TCHAR szFile[MAX_PATH + 1] ;

HANDLE hFile ;
HDC hdc ;
int i, cxChar, cyChar ;
PAINTSTRUCT ps ;
TCHAR szBuffer[MAX_PATH + 1] ;
switch (message)
{
case WM_CREATE :
cxChar = LOWORD (GetDialogBaseUnits ()) ;
cyChar = HIWORD (GetDialogBaseUnits ()) ;

rect.left = 20 * cxChar ;
rect.top = 3 * cyChar ;

hwndList = CreateWindow (TEXT ("listbox"), NULL,
WS_CHILDWINDOW | WS_VISIBLE | LBS_STANDARD,
cxChar, cyChar * 3,
cxChar * 13 + GetSystemMetrics (SM_CXVSCROLL),
cyChar * 10,
hwnd, (HMENU) ID_LIST,
(HINSTANCE) GetWindowLong (hwnd, GWL_HINSTANCE),
NULL) ;

G

子视窗控制项(五十七)