/**
* Test whether a key exists at the specified path.
*/
public static bool TestKey(String keyPath)
{
bool found = false;
try {
IntPtr hMDHandle = IntPtr.Zero;
baseInterface.OpenKey(METADATA_MASTER_ROOT_HANDLE, keyPath, METADATA_PERMISSION_READ, 20, out hMDHandle);
baseInterface.CloseKey(hMDHandle);
found = true;
} catch (DirectoryNotFoundException) {
// HRESULT_FROM_WIN32(ERROR_PATH_NOT_FOUND)
}
return(found);
}
internal static int OpenKey(IMSAdminBase adminBase, SafeMetadataHandle handle, string Path, MBKeyAccess AccessRequested, int TimeOut, out SafeMetadataHandle newHandle)
{
IntPtr handle2;
int num = adminBase.OpenKey(handle, Path, AccessRequested, TimeOut, out handle2);
if (num == 0)
{
newHandle = new SafeMetadataHandle(handle2, adminBase);
}
else
{
newHandle = null;
}
return(num);
}
public MetabaseReader()
{
uint num;
this.currentBufferSize = 0x400;
lock (syncRoot)
{
if (adminBase == null)
{
adminBase = (IMSAdminBase) new MSAdminBase();
}
}
uint num2 = adminBase.OpenKey(0, "/LM", 1, 0x7530, out num);
this.mdHandle = (int)num;
if (num2 != 0)
{
throw FxTrace.Exception.AsError(new COMException(System.ServiceModel.Activation.SR.Hosting_MetabaseAccessError, (int)num2));
}
this.bufferHandle = SafeHGlobalHandleCritical.AllocHGlobal(this.currentBufferSize);
}
public MetabaseReader()
{
lock (syncRoot)
{
if (adminBase == null)
{
adminBase = (IMSAdminBase) new MSAdminBase();
}
}
uint handle;
uint hResult = adminBase.OpenKey(MSAdminBase.METADATA_MASTER_ROOT_HANDLE, LMPath,
MSAdminBase.METADATA_PERMISSION_READ, MSAdminBase.DEFAULT_METABASE_TIMEOUT, out handle);
mdHandle = (int)handle;
if (hResult != 0)
{
throw FxTrace.Exception.AsError(new COMException(SR.Hosting_MetabaseAccessError, (int)hResult));
}
bufferHandle = SafeHGlobalHandleCritical.AllocHGlobal(currentBufferSize);
}