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Windows 95 API Bible
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Windows 95 API Bible 3 Disc Set.iso
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Win32 API Bible Book 2 of 3
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CHAPTER3
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GETBTN.C
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C/C++ Source or Header
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1996-03-06
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9KB
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256 lines
#include <windows.h>
#include <commctrl.h>
#include "getbtn.h"
#if defined (WIN32)
#define IS_WIN32 TRUE
#else
#define IS_WIN32 FALSE
#endif
#define IS_NT IS_WIN32 && (BOOL)(GetVersion() < 0x80000000)
#define IS_WIN32S IS_WIN32 && (BOOL)(!(IS_NT) && (LOBYTE(LOWORD(GetVersion()))<4))
#define IS_WIN95 (BOOL)(!(IS_NT) && !(IS_WIN32S)) && IS_WIN32
HINSTANCE hInst; // current instance
LPCTSTR lpszAppName = "MyApp";
LPCTSTR lpszTitle = "TB_GETBUTTON";
BOOL RegisterWin95( CONST WNDCLASS* lpwc );
int APIENTRY WinMain( HINSTANCE hInstance, HINSTANCE hPrevInstance,
LPTSTR lpCmdLine, int nCmdShow)
{
MSG msg;
HWND hWnd;
WNDCLASS wc;
wc.style = CS_HREDRAW | CS_VREDRAW;
wc.lpfnWndProc = (WNDPROC)WndProc;
wc.cbClsExtra = 0;
wc.cbWndExtra = 0;
wc.hInstance = hInstance;
wc.hIcon = LoadIcon (hInstance, lpszAppName);
wc.hCursor = LoadCursor(NULL, IDC_ARROW);
wc.hbrBackground = (HBRUSH)(COLOR_WINDOW+1);
wc.lpszMenuName = lpszAppName;
wc.lpszClassName = lpszAppName;
if ( IS_WIN95 )
{
if ( !RegisterWin95( &wc ) )
return( FALSE );
}
else if ( !RegisterClass( &wc ) )
return( FALSE );
hInst = hInstance;
hWnd = CreateWindow( lpszAppName,
lpszTitle,
WS_OVERLAPPEDWINDOW,
CW_USEDEFAULT, 0,
CW_USEDEFAULT, 0,
NULL,
NULL,
hInstance,
NULL
);
if ( !hWnd )
return( FALSE );
ShowWindow( hWnd, nCmdShow );
UpdateWindow( hWnd );
while( GetMessage( &msg, NULL, 0, 0) )
{
TranslateMessage( &msg );
DispatchMessage( &msg );
}
return( msg.wParam );
}
BOOL RegisterWin95( CONST WNDCLASS* lpwc )
{
WNDCLASSEX wcex;
wcex.style = lpwc->style;
wcex.lpfnWndProc = lpwc->lpfnWndProc;
wcex.cbClsExtra = lpwc->cbClsExtra;
wcex.cbWndExtra = lpwc->cbWndExtra;
wcex.hInstance = lpwc->hInstance;
wcex.hIcon = lpwc->hIcon;
wcex.hCursor = lpwc->hCursor;
wcex.hbrBackground = lpwc->hbrBackground;
wcex.lpszMenuName = lpwc->lpszMenuName;
wcex.lpszClassName = lpwc->lpszClassName;
// Added elements for Windows 95.
//...............................
wcex.cbSize = sizeof(WNDCLASSEX);
wcex.hIconSm = LoadImage(wcex.hInstance, lpwc->lpszClassName,
IMAGE_ICON, 16, 16,
LR_DEFAULTCOLOR );
return RegisterClassEx( &wcex );
}
// Toolbar buttons.
//.................
TBBUTTON tbButtons[] =
{
{ STD_FILENEW, IDM_NEW, TBSTATE_ENABLED, TBSTYLE_BUTTON, 0, 0L, 0},
{ STD_FILEOPEN, IDM_OPEN, TBSTATE_ENABLED, TBSTYLE_BUTTON, 0, 0L, 0},
{ STD_FILESAVE, IDM_SAVE, TBSTATE_ENABLED, TBSTYLE_BUTTON, 0, 0L, 0},
{ 0, 0, TBSTATE_ENABLED, TBSTYLE_SEP, 0, 0L, 0},
{ VIEW_LARGEICONS, IDM_LARGEICON, TBSTATE_ENABLED, TBSTYLE_BUTTON, 0, 0L, 0},
{ VIEW_SMALLICONS, IDM_SMALLICON, TBSTATE_ENABLED, TBSTYLE_BUTTON, 0, 0L, 0},
{ VIEW_LIST, IDM_LISTVIEW, TBSTATE_ENABLED, TBSTYLE_BUTTON, 0, 0L, 0},
{ VIEW_DETAILS, IDM_REPORTVIEW, TBSTATE_ENABLED, TBSTYLE_BUTTON, 0, 0L, 0},
};
LRESULT CALLBACK WndProc( HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam )
{
static HWND hToolWnd = NULL;
switch( uMsg )
{
case WM_CREATE :
// Initialize the common control library
// and create the status window and toolbar.
//..........................................
InitCommonControls();
hToolWnd = CreateToolbarEx( hWnd,
WS_CHILD | WS_BORDER | WS_VISIBLE,
102,
11,
(HINSTANCE)HINST_COMMCTRL,
IDB_STD_SMALL_COLOR,
tbButtons, 4,
0, 0, 100, 30, sizeof(TBBUTTON) );
if ( hToolWnd )
{
TBADDBITMAP tb;
int index, stdidx;
// Add the system-defined view bitmaps.
//.....................................
tb.hInst = HINST_COMMCTRL;
tb.nID = IDB_VIEW_SMALL_COLOR;
stdidx = SendMessage(hToolWnd, TB_ADDBITMAP, 12, (LPARAM)&tb);
for (index = 4; index < 8; index++)
tbButtons[index].iBitmap += stdidx;
SendMessage(hToolWnd, TB_ADDBUTTONS, 4, (LONG) &tbButtons[4]);
}
break;
case WM_COMMAND :
switch( LOWORD( wParam ) )
{
case IDM_NEW :
case IDM_OPEN :
case IDM_SAVE :
case IDM_LARGEICON :
case IDM_SMALLICON :
case IDM_LISTVIEW :
case IDM_REPORTVIEW :
{
TBBUTTON tb;
RECT rect;
HDC hdc;
char szTmp[64];
// Get the index of the button.
//.............................
int nIdx = SendMessage(hToolWnd, TB_COMMANDTOINDEX,
LOWORD( wParam ), 0 );
// Get the button information.
//............................
SendMessage(hToolWnd, TB_GETBUTTON,
nIdx, (LPARAM)&tb );
// Get the rect of the button.
//............................
SendMessage(hToolWnd, TB_GETITEMRECT,
nIdx, (LPARAM)&rect );
// Output button information.
//...........................
hdc = GetDC( hWnd );
wsprintf(szTmp, "Button index: %d", tb.iBitmap );
TextOut( hdc, 10, 40, szTmp, strlen( szTmp ) );
wsprintf(szTmp, "Button command: %d", tb.idCommand );
TextOut( hdc, 10, 60, szTmp, strlen( szTmp ) );
wsprintf(szTmp, "Button rect: left=%d"\
" top=%d right=%d bottom=%d",
rect.left, rect.top, rect.right, rect.bottom );
TextOut( hdc, 10, 80, szTmp, strlen( szTmp ) );
ReleaseDC( hWnd, hdc );
}
break;
case IDM_ABOUT :
DialogBox( hInst, "AboutBox", hWnd, (DLGPROC)About );
break;
case IDM_EXIT :
DestroyWindow( hWnd );
break;
}
break;
case WM_DESTROY :
PostQuitMessage(0);
break;
default :
return( DefWindowProc( hWnd, uMsg, wParam, lParam ) );
}
return( 0L );
}
LRESULT CALLBACK About( HWND hDlg,
UINT message,
WPARAM wParam,
LPARAM lParam)
{
switch (message)
{
case WM_INITDIALOG:
return (TRUE);
case WM_COMMAND:
if ( LOWORD(wParam) == IDOK
|| LOWORD(wParam) == IDCANCEL)
{
EndDialog(hDlg, TRUE);
return (TRUE);
}
break;
}
return (FALSE);
}