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281 lines
8.3 KiB
281 lines
8.3 KiB
//Copyright (c) 1997-2000 Microsoft Corporation
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#include "pch.hxx" // pch
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#pragma hdrstop
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#include "resource.h"
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#include "CurSchme.h"
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DWORD g_dwSchemeSource;
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static LPCTSTR g_rgszCursorNames[] =
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{
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__TEXT("Arrow"),
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__TEXT("Help"),
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__TEXT("AppStarting"),
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__TEXT("Wait"),
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__TEXT("Crosshair"),
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__TEXT("IBeam"),
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__TEXT("NWPen"),
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__TEXT("No"),
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__TEXT("SizeNS"),
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__TEXT("SizeWE"),
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__TEXT("SizeNWSE"),
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__TEXT("SizeNESW"),
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__TEXT("SizeAll"),
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__TEXT("UpArrow"),
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__TEXT("Hand"),
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NULL // This is the default value
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};
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#define CCURSORS (sizeof(g_rgszCursorNames) / sizeof(g_rgszCursorNames[0]))
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TCHAR g_szOrigCursors[CCURSORS][_MAX_PATH];
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DWORD g_dwOrigSchemeSource = 0;
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const TCHAR g_szCursorRegPath[] = REGSTR_PATH_CURSORS;
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const TCHAR szSchemeSource[] = TEXT("Scheme Source");
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TCHAR g_szSchemeNames[8][100]; // HACK - We have to make sure the scheme names are less than 100 characters
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typedef
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LANGID
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(WINAPI *pfnGetUserDefaultUILanguage)(
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void
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);
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typedef
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LANGID
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(WINAPI *pfnGetSystemDefaultUILanguage)(
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void
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);
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BOOL IsMUI_Enabled()
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{
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OSVERSIONINFO verinfo;
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LANGID rcLang;
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HMODULE hModule;
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pfnGetUserDefaultUILanguage gpfnGetUserDefaultUILanguage;
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pfnGetSystemDefaultUILanguage gpfnGetSystemDefaultUILanguage;
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static g_bPFNLoaded=FALSE;
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static g_bMUIStatus=FALSE;
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if(g_bPFNLoaded)
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return g_bMUIStatus;
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g_bPFNLoaded = TRUE;
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verinfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
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GetVersionEx( &verinfo) ;
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if (verinfo.dwMajorVersion == 5)
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{
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hModule = GetModuleHandle(TEXT("kernel32.dll"));
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if (hModule)
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{
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gpfnGetSystemDefaultUILanguage =
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(pfnGetSystemDefaultUILanguage)GetProcAddress(hModule,"GetSystemDefaultUILanguage");
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if (gpfnGetSystemDefaultUILanguage)
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{
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rcLang = (LANGID) gpfnGetSystemDefaultUILanguage();
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if (rcLang == 0x409 )
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{
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gpfnGetUserDefaultUILanguage =
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(pfnGetUserDefaultUILanguage)GetProcAddress(hModule,"GetUserDefaultUILanguage");
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if (gpfnGetUserDefaultUILanguage)
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{
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if (rcLang != (LANGID)gpfnGetUserDefaultUILanguage() )
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{
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g_bMUIStatus = TRUE;
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}
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}
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}
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}
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}
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}
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return g_bMUIStatus;
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}
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void LoadCursorSchemeNames()
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{
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static BOOL g_bSchemeNamesLoaded = FALSE;
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if(g_bSchemeNamesLoaded)
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return;
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g_bSchemeNamesLoaded = TRUE;
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if (!IsMUI_Enabled())
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{
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LoadString(g_hInstDll, IDS_CURSOR_SCHEME_WINDOWS_STANDARD_LARGE , g_szSchemeNames[0], 100);
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LoadString(g_hInstDll, IDS_CURSOR_SCHEME_WINDOWS_STANDARD_EXTRALARGE, g_szSchemeNames[1], 100);
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LoadString(g_hInstDll, IDS_CURSOR_SCHEME_WINDOWS_BLACK , g_szSchemeNames[2], 100);
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LoadString(g_hInstDll, IDS_CURSOR_SCHEME_WINDOWS_BLACK_LARGE , g_szSchemeNames[3], 100);
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LoadString(g_hInstDll, IDS_CURSOR_SCHEME_WINDOWS_BLACK_EXTRALARGE , g_szSchemeNames[4], 100);
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LoadString(g_hInstDll, IDS_CURSOR_SCHEME_WINDOWS_INVERTED , g_szSchemeNames[5], 100);
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LoadString(g_hInstDll, IDS_CURSOR_SCHEME_WINDOWS_INVERTED_LARGE , g_szSchemeNames[6], 100);
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LoadString(g_hInstDll, IDS_CURSOR_SCHEME_WINDOWS_INVERTED_EXTRALARGE, g_szSchemeNames[7], 100);
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}
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else
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{
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lstrcpy(g_szSchemeNames[0],IDSENG_CURSOR_SCHEME_WINDOWS_STANDARD_LARGE);
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lstrcpy(g_szSchemeNames[1],IDSENG_CURSOR_SCHEME_WINDOWS_STANDARD_EXTRALARGE);
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lstrcpy(g_szSchemeNames[2],IDSENG_CURSOR_SCHEME_WINDOWS_BLACK);
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lstrcpy(g_szSchemeNames[3],IDSENG_CURSOR_SCHEME_WINDOWS_BLACK_LARGE);
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lstrcpy(g_szSchemeNames[4],IDSENG_CURSOR_SCHEME_WINDOWS_BLACK_EXTRALARGE);
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lstrcpy(g_szSchemeNames[5],IDSENG_CURSOR_SCHEME_WINDOWS_INVERTED);
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lstrcpy(g_szSchemeNames[6],IDSENG_CURSOR_SCHEME_WINDOWS_INVERTED_LARGE);
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lstrcpy(g_szSchemeNames[7],IDSENG_CURSOR_SCHEME_WINDOWS_INVERTED_EXTRALARGE);
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}
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// Load the current cursor settings
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HKEY hkCursors;
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if (ERROR_SUCCESS == RegOpenKey( HKEY_CURRENT_USER, g_szCursorRegPath, &hkCursors ))
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{
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for(int i=0;i<CCURSORS;i++)
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{
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g_szOrigCursors[i][0] = 0;
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DWORD dwCount = _MAX_PATH * sizeof(TCHAR);
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DWORD dwType;
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RegQueryValueEx( hkCursors,
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g_rgszCursorNames[i],
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NULL,
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&dwType,
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(LPBYTE)g_szOrigCursors[i],
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&dwCount );
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}
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// Get the scheme source value
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DWORD dwLen = sizeof(g_dwOrigSchemeSource);
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if (RegQueryValueEx( hkCursors, szSchemeSource, NULL, NULL, (unsigned char *)&g_dwOrigSchemeSource, &dwLen ) != ERROR_SUCCESS)
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g_dwOrigSchemeSource = 1;
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RegCloseKey(hkCursors);
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}
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else
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_ASSERTE(FALSE);
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}
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static const TCHAR c_szRegPathCursorSchemes[] = REGSTR_PATH_CURSORS TEXT( "\\Schemes" );
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static const TCHAR c_szRegPathSystemSchemes[] = REGSTR_PATH_SETUP TEXT("\\Control Panel\\Cursors\\Schemes");
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// ApplyScheme(int nScheme)
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// '0' Scheme loaded in g_szOrigScheme
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// '1' Windows Default
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// '2' Standard Large
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// '3' Standard Ex Large
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// '4' Black
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// '5' Black Large
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// '6' Black Ex Large
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// '7' Inverted
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// '8' Inverted Large
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// '9' Inverted Ex Large
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void ApplyCursorScheme(int nScheme)
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{
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LoadCursorSchemeNames();
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HKEY hkCursors;
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DWORD dwPosition;
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// Initially for default cursor, The registry "\\ControlPanel\Cursors" is not created
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// so. Create the registry values: a-anilk
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if(ERROR_SUCCESS != RegCreateKeyEx( HKEY_CURRENT_USER, g_szCursorRegPath, 0L, TEXT(""),
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REG_OPTION_NON_VOLATILE, KEY_ALL_ACCESS, NULL, &hkCursors, &dwPosition ))
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return;
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int i;
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DWORD dwSchemeSource;
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switch(nScheme)
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{
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case 0: // Original scheme
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dwSchemeSource = g_dwOrigSchemeSource;
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for(i=0;i<CCURSORS;i++)
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RegSetValueEx( hkCursors, g_rgszCursorNames[i], 0L, REG_SZ, (CONST LPBYTE)g_szOrigCursors[i], (lstrlen(g_szOrigCursors[i])+1)*sizeof(TCHAR));
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break;
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case 1: // Windows default
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dwSchemeSource = 0;
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for(i=0;i<CCURSORS;i++)
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RegSetValueEx( hkCursors, g_rgszCursorNames[i], 0L, REG_SZ, (CONST LPBYTE)"", sizeof(TCHAR));
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break;
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case 2:
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case 3:
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case 4:
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case 5:
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case 6:
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case 7:
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case 8:
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case 9:
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{
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dwSchemeSource = 2; // Assume System schemes
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HKEY hkScheme;
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// Try to find the 'system' schemes first
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if(ERROR_SUCCESS != RegOpenKey( HKEY_LOCAL_MACHINE, c_szRegPathSystemSchemes, &hkScheme ))
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{
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// Couldn't find system schemes, try looking in user schemes
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dwSchemeSource = 1; // User schemes
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if(ERROR_SUCCESS != RegOpenKey( HKEY_CURRENT_USER, c_szRegPathCursorSchemes, &hkScheme ))
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return;
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}
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DWORD dwCount = 0;
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DWORD dwType;
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long nResult;
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if(ERROR_SUCCESS != (nResult = RegQueryValueEx( hkScheme, g_szSchemeNames[nScheme - 2], NULL, &dwType, NULL, &dwCount )))
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dwCount = 1; // The value probably was not there. Fake it and allocate 1 byte.
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LPTSTR lpszData = (LPTSTR)new BYTE[dwCount]; // NOTE: For Unicode, RegQueryValueEx still returns the 'Byte' size not 'Char count'
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lpszData[0] = 0;
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if(ERROR_SUCCESS == nResult)
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RegQueryValueEx( hkScheme, g_szSchemeNames[nScheme - 2], NULL, &dwType, (LPBYTE)lpszData, &dwCount );
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LPTSTR lpszCurrentValue = lpszData;
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LPTSTR lpszFinalNULL = lpszData + lstrlen(lpszData);
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// Parse the information
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for(i=0;i<CCURSORS;i++)
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{
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// Hack to set the default value
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if(CCURSORS - 1 == i)
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{
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lpszCurrentValue = g_szSchemeNames[nScheme - 2];
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RegSetValueEx( hkCursors, NULL, 0L, REG_SZ, (CONST LPBYTE)lpszCurrentValue, (lstrlen(lpszCurrentValue)+1)*sizeof(TCHAR));
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}
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else
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{
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// Find next comma
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LPTSTR lpszComma = _tcschr(lpszCurrentValue, __TEXT(','));
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// Turn it into a zero
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if(lpszComma)
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*lpszComma = 0;
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RegSetValueEx( hkCursors, g_rgszCursorNames[i], 0L, REG_SZ, (CONST LPBYTE)lpszCurrentValue, (lstrlen(lpszCurrentValue)+1)*sizeof(TCHAR));
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lpszCurrentValue = min(lpszFinalNULL, lpszCurrentValue + lstrlen(lpszCurrentValue) + 1);
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}
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}
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delete [] lpszData;
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RegCloseKey(hkScheme);
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}
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break;
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default:
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_ASSERTE(FALSE);
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}
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// Save the 'Scheme Source'
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RegSetValueEx(hkCursors, szSchemeSource, 0, REG_DWORD, (unsigned char *)&dwSchemeSource, sizeof(dwSchemeSource));
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RegCloseKey(hkCursors);
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SystemParametersInfo( SPI_SETCURSORS, 0, 0, SPIF_SENDCHANGE );
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}
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