797 lines
22 KiB
C++
797 lines
22 KiB
C++
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//
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// [Display Troubleshooter Control Panel Extenstion]
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//
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//
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// - Aug.25.1998
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//
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// Created by Hideyuki Nagase [hideyukn]
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//
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#include "deskperf.h"
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#define DECL_CRTFREE
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#include <crtfree.h>
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//
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// Defines
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//
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#define ACCELERATION_FULL 0
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#define ACCELERATION_NONE 5
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#define SLIDER_POS_TO_ACCEL_LEVEL(x) (ACCELERATION_NONE - (x))
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#define ACCEL_LEVEL_TO_SLIDER_POS(x) (ACCELERATION_NONE - (x))
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#define REGSTR_GRAPHICS_DRIVERS TEXT("System\\CurrentControlSet\\Control\\GraphicsDrivers")
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#define REGSTR_DISABLE_USWC TEXT("DisableUSWC")
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//
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// Guid for "Troubleshooter" shell extentions
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//
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GUID g_CLSID_CplExt = { 0xf92e8c40, 0x3d33, 0x11d2,
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{ 0xb1, 0xaa, 0x08, 0x00, 0x36, 0xa7, 0x5b, 0x03}
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};
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//
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// Global variables
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//
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//
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// Dos display device name
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//
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TCHAR gszWinDisplayDevice[MAX_PATH];
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//
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// NT display device name
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//
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TCHAR gszNtDisplayDevice[MAX_PATH];
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//
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// Registry path for current device
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//
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TCHAR gszRegistryPath[MAX_PATH];
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//
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// Current acceleration level.
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//
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DWORD AccelLevel = ACCELERATION_FULL;
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//
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// Last saved acceleration level.
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//
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DWORD AccelLevelInReg = ACCELERATION_FULL;
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//
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// Registry security.
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//
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BOOL gbReadOnly = FALSE;
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//
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// Is DisableUSWC key present?.
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//
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BOOL gbDisableUSWC = FALSE;
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//
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// Context-sentitive help
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//
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static const DWORD sc_PerformanceHelpIds[] =
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{
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IDI_MONITOR, IDH_NOHELP,
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IDC_DESCRIPTION, IDH_NOHELP,
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IDC_ACCELERATION_SLIDER, IDH_DISPLAY_SETTINGS_ADVANCED_TROUBLESHOOT_ACCELERATION,
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IDC_ACCELERATION_TEXT, IDH_DISPLAY_SETTINGS_ADVANCED_TROUBLESHOOT_ACCELERATION,
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IDC_ENABLE_USWC, IDH_DISPLAY_SETTINGS_ADVANCED_TROUBLESHOOT_WRITE_COMBINING,
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0, 0
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};
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void
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UpdateGraphicsText(HWND hDlg, DWORD AccelPos)
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{
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TCHAR MessageBuffer[200];
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LoadString(g_hInst, IDS_LEVEL0 + AccelPos, MessageBuffer, ARRAYSIZE(MessageBuffer));
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SetDlgItemText(hDlg, IDC_ACCELERATION_TEXT, (LPTSTR) MessageBuffer);
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}
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BOOL GetDeviceKey(LPCTSTR pszDisplay, LPTSTR pszDeviceKey, int cChars)
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{
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DISPLAY_DEVICE DisplayDevice;
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BOOL fFound = FALSE;
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BOOL fSuccess = TRUE;
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int iEnum = 0;
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// Enumerate all the devices in the system.
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while(fSuccess && !fFound)
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{
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ZeroMemory(&DisplayDevice, sizeof(DISPLAY_DEVICE));
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DisplayDevice.cb = sizeof(DISPLAY_DEVICE);
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fSuccess = EnumDisplayDevices(NULL, iEnum, &DisplayDevice, 0);
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if(fSuccess)
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{
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if(0 == lstrcmp(&DisplayDevice.DeviceName[0], pszDisplay))
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{
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ASSERT(lstrlen(DisplayDevice.DeviceKey) < cChars);
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fSuccess = (lstrlen(DisplayDevice.DeviceKey) < cChars);
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if(fSuccess)
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{
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lstrcpy(pszDeviceKey, DisplayDevice.DeviceKey);
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fFound = TRUE;
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}
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}
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++iEnum;
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}
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}
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return fFound;
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}
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INT_PTR
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CALLBACK
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AskDynamicApply(HWND hDlg, UINT msg, WPARAM wp, LPARAM lp)
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{
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int *pTemp;
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switch (msg)
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{
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case WM_INITDIALOG:
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if ((pTemp = (int *)lp) != NULL)
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{
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SetWindowLongPtr(hDlg, DWLP_USER, (LONG_PTR)pTemp);
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CheckDlgButton(hDlg, (*pTemp & DCDSF_DYNA)?
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IDC_YESDYNA : IDC_NODYNA, BST_CHECKED);
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}
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else
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EndDialog(hDlg, -1);
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break;
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case WM_COMMAND:
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switch (GET_WM_COMMAND_ID(wp, lp))
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{
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case IDOK:
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if ((pTemp = (int *)GetWindowLongPtr(hDlg, DWLP_USER)) != NULL)
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{
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*pTemp = IsDlgButtonChecked(hDlg, IDC_YESDYNA)? DCDSF_DYNA : 0;
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if (!IsDlgButtonChecked(hDlg, IDC_SHUTUP))
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*pTemp |= DCDSF_ASK;
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SetDisplayCPLPreference(REGSTR_VAL_DYNASETTINGSCHANGE, *pTemp);
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}
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EndDialog(hDlg, TRUE);
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break;
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case IDCANCEL:
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EndDialog(hDlg, FALSE);
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break;
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default:
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return FALSE;
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}
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break;
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default:
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return FALSE;
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}
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return TRUE;
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}
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INT_PTR
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CALLBACK
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PropertySheeDlgProc(
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HWND hDlg,
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UINT uMessage,
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WPARAM wParam,
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LPARAM lParam
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)
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{
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switch (uMessage)
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{
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case WM_INITDIALOG:
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if (!g_lpdoTarget)
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{
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return FALSE;
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}
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else
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{
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BOOL bSuccess = FALSE;
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BOOL bDisableUSWCReadOnly = TRUE;
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//
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// LATER: Check we are on Terminal Server client or not.
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//
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BOOL bLocalConsole = TRUE;
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if (bLocalConsole)
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{
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//
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// Get the display device name from IDataObject.
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//
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FORMATETC fmte = {(CLIPFORMAT)RegisterClipboardFormat(DESKCPLEXT_DISPLAY_DEVICE),
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(DVTARGETDEVICE FAR *) NULL,
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DVASPECT_CONTENT,
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-1,
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TYMED_HGLOBAL};
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STGMEDIUM stgm;
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HRESULT hres = g_lpdoTarget->GetData(&fmte, &stgm);
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if (SUCCEEDED(hres) && stgm.hGlobal)
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{
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//
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// The storage now contains Display device path (\\.\DisplayX) in UNICODE.
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//
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PWSTR pDisplayDevice = (PWSTR) GlobalLock(stgm.hGlobal);
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if (pDisplayDevice)
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{
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//
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// Copy the data to local buffer.
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//
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#ifdef UNICODE
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lstrcpy(gszWinDisplayDevice,pDisplayDevice);
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bSuccess = TRUE;
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#else
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bSuccess = (BOOL) WideCharToMultiByte(
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CP_ACP,0,
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pDisplayDevice,lstrlenW(pDisplayDevice)+1,
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gszWinDisplayDevice,MAX_PATH,
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NULL,NULL);
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#endif
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GlobalUnlock(stgm.hGlobal);
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}
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}
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//
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// let's build registry path for its hardware profile.
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//
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if (bSuccess)
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{
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TCHAR szServicePath[MAX_PATH];
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bSuccess = FALSE;
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if(GetDeviceKey(gszWinDisplayDevice, szServicePath, sizeof(szServicePath) / sizeof(TCHAR)))
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{
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//
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// Upcase all character.
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//
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TCHAR *psz = szServicePath;
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while (*psz)
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{
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*psz = _totupper(*psz);
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psz++;
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}
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//
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// Find \SYSTEM from service path
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//
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psz = _tcsstr(szServicePath,TEXT("\\SYSTEM"));
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//
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// Skip '\'
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//
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psz++;
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lstrcpy(gszRegistryPath,psz);
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bSuccess = TRUE;
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}
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}
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if (bSuccess)
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{
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//
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// Read current acceleration level from registry.
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//
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HKEY hKeyAccelLevel = NULL;
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if (RegOpenKeyEx(HKEY_LOCAL_MACHINE,
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gszRegistryPath,
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0,
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KEY_ALL_ACCESS,
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&hKeyAccelLevel) != ERROR_SUCCESS)
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{
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if (RegOpenKeyEx(HKEY_LOCAL_MACHINE,
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gszRegistryPath,
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0,
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KEY_READ,
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&hKeyAccelLevel) != ERROR_SUCCESS)
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{
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hKeyAccelLevel = NULL;
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}
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else
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{
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gbReadOnly = TRUE;
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}
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}
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if (hKeyAccelLevel)
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{
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DWORD cb = sizeof(AccelLevel);
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if (RegQueryValueEx(hKeyAccelLevel,
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SZ_HW_ACCELERATION,
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NULL,NULL,
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(LPBYTE) &AccelLevel,
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&cb) == ERROR_SUCCESS)
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{
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//
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// Update last saved accel level.
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//
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AccelLevelInReg = AccelLevel;
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}
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else
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{
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//
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// If there is no registry value, assume full acceleration.
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//
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AccelLevelInReg = AccelLevel = ACCELERATION_FULL;
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}
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RegCloseKey(hKeyAccelLevel);
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bSuccess = TRUE;
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}
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}
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//
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// Read current DisableUSWC status.
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//
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HKEY hKeyGraphicsDrivers = NULL;
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bDisableUSWCReadOnly = FALSE;
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if (RegOpenKeyEx(HKEY_LOCAL_MACHINE,
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REGSTR_GRAPHICS_DRIVERS,
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0,
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KEY_ALL_ACCESS,
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&hKeyGraphicsDrivers) != ERROR_SUCCESS)
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{
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if (RegOpenKeyEx(HKEY_LOCAL_MACHINE,
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REGSTR_GRAPHICS_DRIVERS,
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0,
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KEY_READ,
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&hKeyGraphicsDrivers) != ERROR_SUCCESS)
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{
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hKeyGraphicsDrivers = NULL;
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}
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else
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{
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bDisableUSWCReadOnly = TRUE;
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}
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}
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if (NULL != hKeyGraphicsDrivers)
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{
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HKEY hKeyDisableUSWC = NULL;
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gbDisableUSWC =
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(RegOpenKeyEx(hKeyGraphicsDrivers,
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REGSTR_DISABLE_USWC,
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0,
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KEY_READ,
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&hKeyDisableUSWC) == ERROR_SUCCESS);
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if (NULL != hKeyDisableUSWC)
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RegCloseKey(hKeyDisableUSWC);
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RegCloseKey(hKeyGraphicsDrivers);
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}
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}
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//
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// Setup slider.
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//
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HWND hSlider = GetDlgItem(hDlg, IDC_ACCELERATION_SLIDER);
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//
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// Slider range is between ACCEL_FULL and ACCEL_NONE.
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//
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SendMessage(hSlider, TBM_SETRANGE, (WPARAM)FALSE,
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MAKELPARAM(ACCELERATION_FULL, ACCELERATION_NONE));
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//
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// Set currect slider position based on current accel level.
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//
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||
|
|
|
||
|
|
SendMessage(hSlider, TBM_SETPOS, (WPARAM)TRUE,
|
||
|
|
(LPARAM) ACCEL_LEVEL_TO_SLIDER_POS(AccelLevel));
|
||
|
|
|
||
|
|
//
|
||
|
|
// Update message based on current acceleration level.
|
||
|
|
//
|
||
|
|
|
||
|
|
UpdateGraphicsText(hDlg, AccelLevel);
|
||
|
|
|
||
|
|
if (!bSuccess || gbReadOnly)
|
||
|
|
{
|
||
|
|
//
|
||
|
|
// Disable slider control
|
||
|
|
//
|
||
|
|
|
||
|
|
EnableWindow(hSlider, FALSE);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
//
|
||
|
|
// Setup DisableUSWC combobox
|
||
|
|
//
|
||
|
|
|
||
|
|
HWND hEnableUSWC = GetDlgItem(hDlg, IDC_ENABLE_USWC);
|
||
|
|
if (NULL != hEnableUSWC)
|
||
|
|
{
|
||
|
|
CheckDlgButton(hDlg, IDC_ENABLE_USWC, !gbDisableUSWC);
|
||
|
|
EnableWindow(hEnableUSWC, !bDisableUSWCReadOnly);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
break;
|
||
|
|
|
||
|
|
case WM_HSCROLL:
|
||
|
|
|
||
|
|
if (GetWindowLongPtr((HWND)lParam, GWLP_ID) == IDC_ACCELERATION_SLIDER)
|
||
|
|
{
|
||
|
|
//
|
||
|
|
// Slider has been moved.
|
||
|
|
//
|
||
|
|
|
||
|
|
HWND hSlider = (HWND) lParam;
|
||
|
|
|
||
|
|
//
|
||
|
|
// Obtain currect slider position.
|
||
|
|
//
|
||
|
|
|
||
|
|
DWORD dwSliderPos = (DWORD) SendMessage(hSlider, TBM_GETPOS, 0, 0L);
|
||
|
|
|
||
|
|
//
|
||
|
|
// Convert slider position to accel level.
|
||
|
|
//
|
||
|
|
|
||
|
|
DWORD AccelNew = SLIDER_POS_TO_ACCEL_LEVEL(dwSliderPos);
|
||
|
|
|
||
|
|
//
|
||
|
|
// If accleration level has been changed, update description, and
|
||
|
|
// enable apply button.
|
||
|
|
//
|
||
|
|
|
||
|
|
if (AccelNew != AccelLevel)
|
||
|
|
{
|
||
|
|
AccelLevel = AccelNew;
|
||
|
|
UpdateGraphicsText(hDlg, AccelNew);
|
||
|
|
PropSheet_Changed(GetParent(hDlg), hDlg);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
break;
|
||
|
|
|
||
|
|
case WM_COMMAND:
|
||
|
|
|
||
|
|
if (IDC_ENABLE_USWC == GET_WM_COMMAND_ID(wParam, lParam))
|
||
|
|
{
|
||
|
|
BOOL bDisableUSWC =
|
||
|
|
(BST_UNCHECKED == IsDlgButtonChecked(hDlg, IDC_ENABLE_USWC));
|
||
|
|
|
||
|
|
if (gbDisableUSWC != bDisableUSWC)
|
||
|
|
{
|
||
|
|
//
|
||
|
|
// Enable Apply button
|
||
|
|
//
|
||
|
|
|
||
|
|
PropSheet_Changed(GetParent(hDlg), hDlg);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
|
||
|
|
case WM_NOTIFY:
|
||
|
|
|
||
|
|
if (((NMHDR *)lParam)->code == PSN_APPLY)
|
||
|
|
{
|
||
|
|
TCHAR szCaption[128];
|
||
|
|
TCHAR szMessage[256];
|
||
|
|
BOOL bSuccess = TRUE;
|
||
|
|
int val = 0;
|
||
|
|
BOOL bCancel = FALSE;
|
||
|
|
BOOL bAccelLevelDirty;
|
||
|
|
BOOL bDisableUSWC;
|
||
|
|
BOOL bUSWCDirty;
|
||
|
|
|
||
|
|
bDisableUSWC =
|
||
|
|
(BST_UNCHECKED == IsDlgButtonChecked(hDlg, IDC_ENABLE_USWC));
|
||
|
|
bUSWCDirty = (gbDisableUSWC != bDisableUSWC);
|
||
|
|
bAccelLevelDirty = (AccelLevel != AccelLevelInReg);
|
||
|
|
|
||
|
|
//
|
||
|
|
// Popup dialogs to ask user to apply it dynamically or not.
|
||
|
|
//
|
||
|
|
|
||
|
|
if (bAccelLevelDirty)
|
||
|
|
{
|
||
|
|
val = GetDynaCDSPreference();
|
||
|
|
|
||
|
|
if (val & DCDSF_ASK)
|
||
|
|
{
|
||
|
|
if (!bUSWCDirty)
|
||
|
|
{
|
||
|
|
switch (DialogBoxParam(g_hInst,
|
||
|
|
MAKEINTRESOURCE(DLG_ASKDYNACDS),
|
||
|
|
hDlg,
|
||
|
|
AskDynamicApply,
|
||
|
|
(LPARAM)&val))
|
||
|
|
{
|
||
|
|
case 0: // user cancelled
|
||
|
|
case -1: // dialog could not be displayed
|
||
|
|
bCancel = TRUE;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
val = 0;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if ((!(bUSWCDirty || bAccelLevelDirty)) ||
|
||
|
|
bCancel)
|
||
|
|
{
|
||
|
|
//
|
||
|
|
// Nothing to do
|
||
|
|
//
|
||
|
|
|
||
|
|
SetWindowLongPtr(hDlg,
|
||
|
|
DWLP_MSGRESULT,
|
||
|
|
((!(bUSWCDirty || bAccelLevelDirty)) ?
|
||
|
|
PSNRET_NOERROR :
|
||
|
|
PSNRET_INVALID_NOCHANGEPAGE));
|
||
|
|
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// Acceleration Level
|
||
|
|
//
|
||
|
|
|
||
|
|
if (AccelLevel != AccelLevelInReg)
|
||
|
|
{
|
||
|
|
//
|
||
|
|
// AccelLevel has been changed. save it to registry.
|
||
|
|
//
|
||
|
|
|
||
|
|
HKEY hKeyAccelLevel;
|
||
|
|
|
||
|
|
bSuccess = FALSE;
|
||
|
|
if (RegOpenKeyEx(HKEY_LOCAL_MACHINE,
|
||
|
|
gszRegistryPath,
|
||
|
|
0,
|
||
|
|
KEY_ALL_ACCESS,
|
||
|
|
&hKeyAccelLevel) == ERROR_SUCCESS)
|
||
|
|
{
|
||
|
|
if (AccelLevel == ACCELERATION_FULL)
|
||
|
|
{
|
||
|
|
//
|
||
|
|
// If acceration is set to ACCELERATION_FULL (default)
|
||
|
|
// remove registry value.
|
||
|
|
//
|
||
|
|
|
||
|
|
if (RegDeleteValue(hKeyAccelLevel,
|
||
|
|
SZ_HW_ACCELERATION) == ERROR_SUCCESS)
|
||
|
|
{
|
||
|
|
bSuccess = TRUE;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
//
|
||
|
|
// Otherwise, save it to registry.
|
||
|
|
//
|
||
|
|
|
||
|
|
if (RegSetValueEx(hKeyAccelLevel,
|
||
|
|
SZ_HW_ACCELERATION,
|
||
|
|
NULL, REG_DWORD,
|
||
|
|
(LPBYTE) &AccelLevel,
|
||
|
|
sizeof(AccelLevel)) == ERROR_SUCCESS)
|
||
|
|
{
|
||
|
|
bSuccess = TRUE;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
RegCloseKey(hKeyAccelLevel);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (bSuccess)
|
||
|
|
{
|
||
|
|
//
|
||
|
|
// Update last saved data.
|
||
|
|
//
|
||
|
|
|
||
|
|
AccelLevelInReg = AccelLevel;
|
||
|
|
|
||
|
|
//
|
||
|
|
// Apply it dynamically?
|
||
|
|
//
|
||
|
|
|
||
|
|
if ((val & DCDSF_DYNA) == DCDSF_DYNA)
|
||
|
|
{
|
||
|
|
// Apply it dynamically.
|
||
|
|
|
||
|
|
ChangeDisplaySettings(NULL, CDS_RAWMODE);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// Disable USWC
|
||
|
|
//
|
||
|
|
|
||
|
|
if (bSuccess && bUSWCDirty)
|
||
|
|
{
|
||
|
|
HKEY hKeyGraphicsDrivers = NULL;
|
||
|
|
bSuccess = FALSE;
|
||
|
|
|
||
|
|
if (RegOpenKeyEx(HKEY_LOCAL_MACHINE,
|
||
|
|
REGSTR_GRAPHICS_DRIVERS,
|
||
|
|
0,
|
||
|
|
KEY_ALL_ACCESS,
|
||
|
|
&hKeyGraphicsDrivers) == ERROR_SUCCESS)
|
||
|
|
{
|
||
|
|
if (bDisableUSWC)
|
||
|
|
{
|
||
|
|
//
|
||
|
|
// Create the key
|
||
|
|
//
|
||
|
|
|
||
|
|
HKEY hKeyDisableUSWC = NULL;
|
||
|
|
DWORD Disposition;
|
||
|
|
|
||
|
|
bSuccess = (RegCreateKeyEx(hKeyGraphicsDrivers,
|
||
|
|
REGSTR_DISABLE_USWC,
|
||
|
|
0,
|
||
|
|
NULL,
|
||
|
|
REG_OPTION_NON_VOLATILE,
|
||
|
|
KEY_READ,
|
||
|
|
NULL,
|
||
|
|
&hKeyDisableUSWC,
|
||
|
|
&Disposition) == ERROR_SUCCESS);
|
||
|
|
|
||
|
|
if (bSuccess)
|
||
|
|
RegCloseKey(hKeyDisableUSWC);
|
||
|
|
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
//
|
||
|
|
// Delete the key
|
||
|
|
//
|
||
|
|
|
||
|
|
bSuccess =
|
||
|
|
(RegDeleteKey(hKeyGraphicsDrivers,
|
||
|
|
REGSTR_DISABLE_USWC) == ERROR_SUCCESS);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (bSuccess)
|
||
|
|
gbDisableUSWC = bDisableUSWC;
|
||
|
|
|
||
|
|
RegCloseKey(hKeyGraphicsDrivers);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
if (bSuccess)
|
||
|
|
{
|
||
|
|
//
|
||
|
|
// Notify the user it a reboot is needed
|
||
|
|
//
|
||
|
|
|
||
|
|
if ((LoadString(g_hInst,
|
||
|
|
IDS_WC_CAPTION,
|
||
|
|
szCaption,
|
||
|
|
SIZEOF(szCaption) / sizeof(TCHAR)) != 0) &&
|
||
|
|
(LoadString(g_hInst,
|
||
|
|
IDS_WC_MESSAGE,
|
||
|
|
szMessage,
|
||
|
|
SIZEOF(szMessage) / sizeof(TCHAR)) !=0))
|
||
|
|
{
|
||
|
|
MessageBox(hDlg,
|
||
|
|
szMessage,
|
||
|
|
szCaption,
|
||
|
|
MB_OK | MB_ICONINFORMATION);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (bSuccess)
|
||
|
|
{
|
||
|
|
if (bUSWCDirty || (0 == val))
|
||
|
|
PropSheet_RestartWindows(GetParent(hDlg));
|
||
|
|
|
||
|
|
SetWindowLongPtr(hDlg, DWLP_MSGRESULT, PSNRET_NOERROR);
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
//
|
||
|
|
// Notify the user that an unexpected error occured
|
||
|
|
//
|
||
|
|
|
||
|
|
if ((LoadString(g_hInst,
|
||
|
|
IDS_ERR_CAPTION,
|
||
|
|
szCaption,
|
||
|
|
SIZEOF(szCaption) / sizeof(TCHAR)) != 0) &&
|
||
|
|
(LoadString(g_hInst,
|
||
|
|
IDS_ERR_MESSAGE,
|
||
|
|
szMessage,
|
||
|
|
SIZEOF(szMessage) / sizeof(TCHAR)) !=0))
|
||
|
|
{
|
||
|
|
MessageBox(hDlg,
|
||
|
|
szMessage,
|
||
|
|
szCaption,
|
||
|
|
MB_OK | MB_ICONERROR);
|
||
|
|
}
|
||
|
|
|
||
|
|
SetWindowLongPtr(hDlg, DWLP_MSGRESULT, PSNRET_INVALID_NOCHANGEPAGE);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
break;
|
||
|
|
|
||
|
|
case WM_HELP:
|
||
|
|
|
||
|
|
WinHelp((HWND)((LPHELPINFO)lParam)->hItemHandle,
|
||
|
|
TEXT("display.hlp"),
|
||
|
|
HELP_WM_HELP,
|
||
|
|
(DWORD_PTR)(LPTSTR)sc_PerformanceHelpIds);
|
||
|
|
|
||
|
|
break;
|
||
|
|
|
||
|
|
|
||
|
|
case WM_CONTEXTMENU:
|
||
|
|
|
||
|
|
WinHelp((HWND)wParam,
|
||
|
|
TEXT("display.hlp"),
|
||
|
|
HELP_CONTEXTMENU,
|
||
|
|
(DWORD_PTR)(LPTSTR)sc_PerformanceHelpIds);
|
||
|
|
|
||
|
|
break;
|
||
|
|
|
||
|
|
default:
|
||
|
|
|
||
|
|
return FALSE;
|
||
|
|
}
|
||
|
|
|
||
|
|
return TRUE;
|
||
|
|
}
|