这有个显示BMP图片的程序,你看对你有没用?
#include <windows.h>
int
cxClient, cyClient ;
HINSTANCE hInst ;
int outBmpFile(HINSTANCE hInstance, HWND hwnd) ;
LRESULT CALLBACK WndProc (HWND, UINT, WPARAM, LPARAM) ;
int WINAPI WinMain (HINSTANCE hInstance, HINSTANCE hPrevInstance,
PSTR szCmdLine, int iCmdShow)
{
static TCHAR szAppName[] = TEXT ("SineWave") ;
MSG
msg ;
WNDCLASS
wndclass;
HWND hwnd ;
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= (HBRUSH) GetStockObject (LTGRAY_BRUSH) ;
wndclass.lpszMenuName
= NULL ;
wndclass.lpszClassName = szAppName ;
hInst = hInstance ;
if (!RegisterClass (&wndclass))
{
MessageBox (
NULL, TEXT ("Program requires Windows NT!"),
szAppName, MB_ICONERROR) ;
return 0 ;
}
hwnd = CreateWindow ( szAppName, TEXT ("窗口母本程序"),
WS_OVERLAPPEDWINDOW,
10, 10,
800, 600,
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)
{
HDC
hdc ;
PAINTSTRUCT ps ;
switch (message)
{
case
WM_CREATE:
return 0 ;
case
WM_SIZE:
cxClient = LOWORD (lParam) ;
cyClient = HIWORD (lParam) ;
InvalidateRect (hwnd, NULL, FALSE) ;
return 0;
case
WM_PAINT:
hdc = BeginPaint (hwnd, &ps) ;
EndPaint (hwnd, &ps) ;
return 0 ;
case
WM_KEYUP:
exit(0) ;
return 1 ;
case
WM_LBUTTONUP:
outBmpFile(hInst, hwnd) ;
return 0 ;
case
WM_DESTROY:
PostQuitMessage (0) ;
return 0 ;
}
return DefWindowProc (hwnd, message, wParam, lParam) ;
}
//显示一个文件名为E:\\Circles.bmp的BMP文件
int outBmpFile(HINSTANCE hInstance, HWND hwnd)
{
HDC hDC;
HBITMAP hBitmap;
hDC=GetDC(hwnd);
hBitmap=(HBITMAP)LoadImage(hInst,"E:\\aa.bmp",IMAGE_BITMAP,
0,0,LR_DEFAULTCOLOR|LR_LOADFROMFILE);
DrawState(hDC,NULL,NULL,(LPARAM)hBitmap,0,0,0,0,0,DST_BITMAP);
}