Source code of Windows XP (NT5)
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/*++
Microsoft Confidential
Copyright (c) 1992-1997 Microsoft Corporation
All rights reserved
Module Name:
sysdm.c
Abstract:
Initialization code for System Control Panel Applet
Author:
Eric Flo (ericflo) 19-Jun-1995
Revision History:
15-Oct-1997 scotthal
Complete overhaul
--*/
#include "sysdm.h"
#include <shsemip.h>
#include <regstr.h>
//
// Global Variables
//
HINSTANCE hInstance;
TCHAR szShellHelp[] = TEXT("ShellHelp");
TCHAR g_szNull[] = TEXT("");
UINT uiShellHelp;
TCHAR g_szErrMem[ 200 ]; // Low memory message
TCHAR g_szSystemApplet[ 100 ]; // "System Control Panel Applet" title
//
// Function prototypes
//
void
RunApplet(
IN HWND hwnd,
IN LPTSTR lpCmdLine
);
void _GetStartingPage(IN LPTSTR lpCmdLine, IN PROPSHEETHEADER* ppsh, INT* piStartPage, LPTSTR pszStartPage, INT cchStartPage);
BOOL CALLBACK _AddPropSheetPage(HPROPSHEETPAGE hpage, LPARAM lParam);
BOOL
WINAPI
DllInitialize(
IN HINSTANCE hInstDLL,
IN DWORD dwReason,
IN LPVOID lpvReserved
)
/*++
Routine Description:
Main entry point.
Arguments:
hInstDLL -
Supplies DLL instance handle.
dwReason -
Supplies the reason DllInitialize() is being called.
lpvReserved -
Reserved, NULL.
Return Value:
BOOL
--*/
{
if (dwReason == DLL_PROCESS_DETACH)
MEM_EXIT_CHECK();
if (dwReason != DLL_PROCESS_ATTACH) {
return TRUE;
}
hInstance = hInstDLL;
return TRUE;
}
LONG
APIENTRY
CPlApplet(
IN HWND hwnd,
IN WORD wMsg,
IN LPARAM lParam1,
IN LPARAM lParam2
)
/*++
Routine Description:
Control Panel Applet entry point.
Arguments:
hwnd -
Supplies window handle.
wMsg -
Supplies message being sent.
lParam1 -
Supplies parameter to message.
lParam2 -
Supplies parameter to message.
Return Value:
Nonzero if message was handled.
Zero if message was unhandled.
--*/
{
LPCPLINFO lpCPlInfo;
switch (wMsg) {
case CPL_INIT:
uiShellHelp = RegisterWindowMessage (szShellHelp);
LoadString( hInstance, IDS_INSUFFICIENT_MEMORY, g_szErrMem, ARRAYSIZE( g_szErrMem ) );
LoadString( hInstance, IDS_SYSDM_TITLE, g_szSystemApplet, ARRAYSIZE( g_szSystemApplet ) );
return (LONG) TRUE;
case CPL_GETCOUNT:
return 1;
case CPL_INQUIRE:
lpCPlInfo = (LPCPLINFO)lParam2;
lpCPlInfo->idIcon = ID_ICON;
lpCPlInfo->idName = IDS_NAME;
lpCPlInfo->idInfo = IDS_INFO;
return (LONG) TRUE;
case CPL_DBLCLK:
lParam2 = 0L;
// fall through...
case CPL_STARTWPARMS:
RunApplet(hwnd, (LPTSTR)lParam2);
return (LONG) TRUE;
}
return (LONG)0;
}
HPROPSHEETPAGE CreatePage(int idd, DLGPROC pfnDlgProc)
{
PROPSHEETPAGE psp;
psp.dwSize = SIZEOF(psp);
psp.dwFlags = PSP_DEFAULT;
psp.hInstance = hInstance;
psp.pszTemplate = MAKEINTRESOURCE(idd);
psp.pfnDlgProc = pfnDlgProc;
return CreatePropertySheetPage(&psp);
}
static const PSPINFO c_pspCB[] =
{
{ CreatePage, IDD_GENERAL, GeneralDlgProc },
{ CreateNetIDPage, 0, NULL },
{ CreatePage, IDD_HARDWARE, HardwareDlgProc },
{ CreatePage, IDD_ADVANCED, AdvancedDlgProc },
{ CreateSystemRestorePage, 0, NULL },
};
void
RunApplet(
IN HWND hwnd,
IN LPTSTR lpCmdLine
)
/*++
Routine Description:
CPL_STARTWPARMS message handler. Called when the user
runs the Applet.
PropSheet initialization occurs here.
Arguments:
hwnd -
Supplies window handle.
lpCmdLine -
Supplies the command line used to invoke the applet.
Return Value:
none
--*/
{
HRESULT hrOle = CoInitialize(0);
if (!SHRestricted(REST_MYCOMPNOPROP))
{
if (lpCmdLine && *lpCmdLine && !lstrcmp(lpCmdLine, TEXT("-1")))
{
// -1 means Performance Options cpl
DoPerformancePS(NULL);
}
else
{
HPROPSHEETPAGE hPages[MAX_PAGES];
PROPSHEETHEADER psh;
UINT iPage = 0;
HPSXA hpsxa = NULL;
INT i;
INT iStartPage;
TCHAR szStartPage[MAX_PATH];
ZeroInit(&psh, sizeof(psh));
if (SUCCEEDED(hrOle))
{
HRESULT hr = CoInitializeSecurity(NULL, -1, NULL, NULL, RPC_C_AUTHN_LEVEL_CONNECT, RPC_C_IMP_LEVEL_IMPERSONATE, NULL, EOAC_NONE, 0);
}
LinkWindow_RegisterClass();
psh.dwSize = sizeof(PROPSHEETHEADER);
psh.dwFlags = 0;
psh.hwndParent = hwnd;
psh.hInstance = hInstance;
psh.pszCaption = MAKEINTRESOURCE(IDS_TITLE);
psh.phpage = hPages;
for (i = 0; i < ARRAYSIZE(c_pspCB); i++)
{
hPages[iPage] = c_pspCB[i].pfnCreatePage(c_pspCB[i].idd, c_pspCB[i].pfnDlgProc);
if (hPages[iPage] != NULL)
{
iPage++;
}
}
psh.nPages = iPage;
// add any extra property pages from the shell ext hooks in the registry
// 8 extensions should be enough. Desk.cpl also does the same.
hpsxa = SHCreatePropSheetExtArray( HKEY_LOCAL_MACHINE, REGSTR_PATH_CONTROLSFOLDER TEXT("\\System"), 8 );
if (hpsxa != NULL )
SHAddFromPropSheetExtArray( hpsxa, _AddPropSheetPage, (LPARAM)&psh );
szStartPage[0] = 0;
_GetStartingPage(lpCmdLine, &psh, &iStartPage, szStartPage, ARRAYSIZE(szStartPage));
if (szStartPage[0])
{
psh.dwFlags |= PSH_USEPSTARTPAGE;
psh.pStartPage = szStartPage;
}
else
{
psh.nStartPage = iStartPage;
}
if (PropertySheet (&psh) == ID_PSREBOOTSYSTEM)
{
RestartDialogEx(hwnd, NULL, EWX_REBOOT, SHTDN_REASON_MAJOR_SYSTEM | SHTDN_REASON_MINOR_RECONFIG | SHTDN_REASON_FLAG_PLANNED);
}
if (hpsxa != NULL)
SHDestroyPropSheetExtArray(hpsxa);
LinkWindow_UnregisterClass(hInstance);
}
}
if (SUCCEEDED(hrOle))
{
CoUninitialize();
}
}
BOOL CALLBACK _AddPropSheetPage(HPROPSHEETPAGE hpage, LPARAM lParam)
{
PROPSHEETHEADER FAR * ppsh = (PROPSHEETHEADER FAR *)lParam;
if( hpage && ( ppsh->nPages < MAX_PAGES ) )
{
ppsh->phpage[ppsh->nPages++] = hpage;
return TRUE;
}
return FALSE;
}
void _GetStartingPage(IN LPTSTR lpCmdLine, IN PROPSHEETHEADER* ppsh, INT* piStartPage, LPTSTR pszStartPage, INT cchStartPage)
{
*piStartPage = 0;
if (lpCmdLine && *lpCmdLine)
{
if (!StrToIntEx(lpCmdLine, STIF_DEFAULT, piStartPage) &&
(*lpCmdLine == TEXT('@')))
{
LPTSTR pszComma = StrChr(lpCmdLine, TEXT(','));
if (pszComma)
{
HINSTANCE hInstance;
*pszComma = 0;
hInstance = LoadLibrary(lpCmdLine + 1);
if (hInstance)
{
UINT idResource = StrToInt(++pszComma);
LoadString(hInstance, idResource, pszStartPage, cchStartPage);
FreeLibrary(hInstance);
}
}
}
}
}