Rebuild Shell Icon Cache
void BroadcastChanges (void)
{
DWORD dwResult;
SendMessageTimeout (
HWND_BROADCAST,
WM_SETTINGCHANGE,
SPI_SETNONCLIENTMETRICS,
(LPARAM) _T("WindowMetrics"),
//SMTO_NORMAL|
SMTO_ABORTIFHUNG,
10000,
&dwResult);
}
void RefreshScreenIcons (void)
{
bool bResult = false;
LPCTSTR pszKeyName = _T("Control Panel\\Desktop\\WindowMetrics");
LPCTSTR pszKeyValue = _T("Shell Icon Size");
HKEY hKey;
TCHAR szShellIconSize[32];
if (ERROR_SUCCESS == ::RegOpenKey (HKEY_CURRENT_USER, pszKeyName,
&hKey))
{
DWORD dwType;
DWORD cbShellIconSize = sizeof szShellIconSize;
if (ERROR_SUCCESS == ::RegQueryValueEx (hKey, pszKeyValue, NULL,
&dwType, (LPBYTE) szShellIconSize, &cbShellIconSize))
{
TCHAR szNewShellIconSize[32];
wsprintf (szNewShellIconSize, _T("%d"), _wtoi (szShellIconSize) - 1);
if (ERROR_SUCCESS == ::RegSetValueEx (hKey, pszKeyValue, 0, REG_SZ,
(LPBYTE) szNewShellIconSize, _tcslen (szShellIconSize)))
{
bResult = true;
}
}
::RegCloseKey (hKey);
if (bResult)
{
BroadcastChanges();
}
}
if (bResult)
{
if (ERROR_SUCCESS == ::RegOpenKey (HKEY_CURRENT_USER, pszKeyName,
&hKey))
{
if (ERROR_SUCCESS != ::RegSetValueEx (hKey, pszKeyValue, 0, REG_SZ,
(LPBYTE) szShellIconSize, _tcslen (szShellIconSize)))
{
bResult = false;
}
::RegCloseKey (hKey);
if (bResult)
{
BroadcastChanges ();
}
}
else
{
bResult = false;
}
}
}
{
DWORD dwResult;
SendMessageTimeout (
HWND_BROADCAST,
WM_SETTINGCHANGE,
SPI_SETNONCLIENTMETRICS,
(LPARAM) _T("WindowMetrics"),
//SMTO_NORMAL|
SMTO_ABORTIFHUNG,
10000,
&dwResult);
}
void RefreshScreenIcons (void)
{
bool bResult = false;
LPCTSTR pszKeyName = _T("Control Panel\\Desktop\\WindowMetrics");
LPCTSTR pszKeyValue = _T("Shell Icon Size");
HKEY hKey;
TCHAR szShellIconSize[32];
if (ERROR_SUCCESS == ::RegOpenKey (HKEY_CURRENT_USER, pszKeyName,
&hKey))
{
DWORD dwType;
DWORD cbShellIconSize = sizeof szShellIconSize;
if (ERROR_SUCCESS == ::RegQueryValueEx (hKey, pszKeyValue, NULL,
&dwType, (LPBYTE) szShellIconSize, &cbShellIconSize))
{
TCHAR szNewShellIconSize[32];
wsprintf (szNewShellIconSize, _T("%d"), _wtoi (szShellIconSize) - 1);
if (ERROR_SUCCESS == ::RegSetValueEx (hKey, pszKeyValue, 0, REG_SZ,
(LPBYTE) szNewShellIconSize, _tcslen (szShellIconSize)))
{
bResult = true;
}
}
::RegCloseKey (hKey);
if (bResult)
{
BroadcastChanges();
}
}
if (bResult)
{
if (ERROR_SUCCESS == ::RegOpenKey (HKEY_CURRENT_USER, pszKeyName,
&hKey))
{
if (ERROR_SUCCESS != ::RegSetValueEx (hKey, pszKeyValue, 0, REG_SZ,
(LPBYTE) szShellIconSize, _tcslen (szShellIconSize)))
{
bResult = false;
}
::RegCloseKey (hKey);
if (bResult)
{
BroadcastChanges ();
}
}
else
{
bResult = false;
}
}
}
posted on 2009-11-14 21:04 Sunwayking 阅读(474) 评论(0) 编辑 收藏 举报