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World of Shareware - Software Farm 2
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wosw_2.zip
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CPROG
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WINPROGS.ZIP
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BTNLOOK.ZIP
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BTNLOOK.C
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1990-12-21
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5KB
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182 lines
/* BTNLOOK.c - Button Look Program
Petzold
*/
#include <windows.h>
#include <stdio.h>
struct
{
long style;
char *text;
}
button[] =
{
BS_PUSHBUTTON, "PUSHBUTTON",
BS_DEFPUSHBUTTON, "DEFPUSHBUTTON",
BS_CHECKBOX, "CHECKBOX",
BS_AUTOCHECKBOX, "AUTOCHECKBOX",
BS_RADIOBUTTON, "RADIOBUTTON",
BS_3STATE, "3STATE",
BS_AUTO3STATE, "AUTO3STATE",
BS_GROUPBOX, "GROUPBOX",
BS_USERBUTTON, "USERBUTTON",
BS_AUTORADIOBUTTON,"AUTORADIO",
BS_PUSHBOX, "PUSHBOX"
};
#define NUM (sizeof button / sizeof button [0])
long FAR PASCAL WndProc (HWND, WORD, WORD, LONG);
int PASCAL WinMain (HANDLE hInstance,
HANDLE hPrevInstance,
LPSTR lpszCmdParam,
int nCmdShow)
{
static char szAppName[] = "BtnLook";
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,
"Button Look",
WS_OVERLAPPEDWINDOW,
CW_USEDEFAULT,
CW_USEDEFAULT,
CW_USEDEFAULT,
CW_USEDEFAULT,
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 char szPrm[] = "wParam LOWORD(lParam) HIWORD(lParam)",
szTop[] = "Control ID Window Handle Notification",
szUnd[] = "__________ _____________ ____________",
szFormat[] = "%5u %4X %5u",
szBuffer[50];
static HWND hwndButton [NUM];
static RECT rect;
static int cxChar, cyChar;
HDC hdc;
PAINTSTRUCT ps;
TEXTMETRIC tm;
int i;
switch (message)
{
case WM_CREATE:
hdc = GetDC (hwnd);
SelectObject (hdc, GetStockObject (SYSTEM_FIXED_FONT));
GetTextMetrics (hdc, &tm);
cxChar = tm.tmAveCharWidth;
cyChar = tm.tmHeight + tm.tmExternalLeading;
ReleaseDC (hwnd, hdc);
for (i = 0; i < NUM; i++)
hwndButton[i] = CreateWindow ("button",
button[i].text,
WS_CHILD | WS_VISIBLE | button[i].style,
cxChar,
cyChar * (1 + 2 * i),
20 * cxChar,
7 * cyChar / 4,
hwnd,
i,
((LPCREATESTRUCT) lParam) -> hInstance, NULL);
return 0;
case WM_SIZE:
rect.left = 24 * cxChar;
rect.top = 3 * cyChar;
rect.right = LOWORD (lParam);
rect.bottom = HIWORD (lParam);
return 0;
case WM_PAINT:
InvalidateRect (hwnd, &rect, TRUE);
hdc = BeginPaint (hwnd, &ps);
SelectObject (hdc, GetStockObject (SYSTEM_FIXED_FONT));
SetBkMode (hdc, TRANSPARENT);
TextOut (hdc,24 * cxChar, 1 * cyChar, szPrm, sizeof szPrm -1);
TextOut (hdc,24 * cxChar, 2 * cyChar, szTop, sizeof szTop -1);
TextOut (hdc,24 * cxChar, 2 * cyChar, szUnd, sizeof szUnd -1);
EndPaint (hwnd, &ps);
return(0);
case WM_COMMAND:
ScrollWindow(hwnd, 0, -cyChar, &rect, &rect);
hdc = GetDC (hwnd);
SelectObject (hdc, GetStockObject (SYSTEM_FIXED_FONT));
TextOut (hdc, 24 * cxChar, cyChar * (rect.bottom / cyChar -1),
szBuffer, sprintf (szBuffer, szFormat, wParam,
LOWORD (lParam), HIWORD (lParam)));
ReleaseDC(hwnd,hdc);
ValidateRect (hwnd, NULL);
return(0);
return 0;
case WM_DESTROY:
PostQuitMessage (0);
return 0;
}
return DefWindowProc (hwnd, message, wParam, lParam);
}