/// <summary>
/// ThreadMainEnumReg - Enumerate registry values.
/// </summary>
private void ThreadMainEnumReg()
{
// Open registry key.
IntPtr hkeySearchNode = IntPtr.Zero;
int iResult = Rapi.CeRegOpenKeyEx(
this.m_hkeyRoot, this.m_strRegNode,
0, 0, ref hkeySearchNode);
if (iResult != Rapi.ERROR_SUCCESS && m_bContinue)
{
// Send error message.
itReason = INVOKE_ENUMREG.STATUS_MESSAGE;
strBuffer = "Error accessing registry key";
this.m_ctlInvokeTarget.Invoke(m_deleCallback);
// Trigger end of enumeration.
itReason = INVOKE_ENUMREG.ENUMREG_ENDED;
this.m_ctlInvokeTarget.Invoke(m_deleCallback);
// Trigger that shutdown is complete.
thrd = null;
return;
}
// Keys or values?
if (this.m_bKeys) // Enumerate keys.
{
int iIndex = 0;
while (iResult == Rapi.ERROR_SUCCESS && m_bContinue)
{
string strKeyName = new string('\0', 32);
int cbLength = 32;
iResult = Rapi.CeRegEnumKeyEx(
hkeySearchNode, iIndex++,
strKeyName, ref cbLength,
0, 0, 0, 0);
if (iResult == Rapi.ERROR_SUCCESS && m_bContinue)
{
itReason = INVOKE_ENUMREG.ENUMREG_NEWKEY;
strBuffer = strKeyName;
this.m_ctlInvokeTarget.Invoke(m_deleCallback);
}
} // while
}
else // Enumerate values.
{
int iIndex;
for (iIndex = 0; iResult == Rapi.ERROR_SUCCESS &&
m_bContinue; iIndex++)
{
int cbName = 32;
string strName = new string('\0', 16);
Rapi.REGTYPE iType = 0;
int cbLength = 0;
// Enumerate key names only (not values)
iResult = Rapi.CeRegEnumValue(hkeySearchNode,
iIndex, strName, ref cbName,
0, ref iType, IntPtr.Zero,
ref cbLength);
if (iResult == Rapi.ERROR_SUCCESS && m_bContinue)
{
if (iType == Rapi.REGTYPE.REG_SZ) // string values.
{
int cbData = 32;
string str = new string(new char[cbData]);
Rapi.CeRegQueryValueEx(hkeySearchNode,
strName, 0, ref iType, str,
ref cbData);
char [] ach = { '\0' };
strBuffer = strName.Trim(ach) + " = "
+ str.Trim(ach);
}
else if (iType == Rapi.REGTYPE.REG_BINARY)
{
// Fetch binary array of short values
char [] ach = { '\0' };
strBuffer = strName.Trim(ach) + " = ";
// Allocate buffer of short values.
Int16 sh = 0;
IntPtr iptr;
int cbSizeOfShort = Marshal.SizeOf(sh);
int cbData = cbSizeOfShort * 5;
iptr = Marshal.AllocCoTaskMem(cbData);
// Fetch array of short values.
Rapi.CeRegQueryValueEx(hkeySearchNode,
strName, 0, ref iType, iptr,
ref cbData);
// Copy array to managed array.
int cElements = cbData / cbSizeOfShort;
Int16 [] ash = new Int16 [cElements];
Marshal.Copy(iptr, ash, 0, cElements);
Marshal.FreeCoTaskMem(iptr);
// Add values to string for display.
for (int i = 0; i < cElements; i++)
{
strBuffer = strBuffer + ash[i] + " ";
}
}
else
{
strBuffer = strName + " not expected type";
}
itReason = INVOKE_ENUMREG.ENUMREG_NEWVALUE;
this.m_ctlInvokeTarget.Invoke(m_deleCallback);
}
} // for
} // if
Rapi.CeRegCloseKey(hkeySearchNode);
// Trigger end of enumeration.
itReason = INVOKE_ENUMREG.ENUMREG_ENDED;
this.m_ctlInvokeTarget.Invoke(m_deleCallback);
// Trigger that shutdown is complete.
thrd = null;
}
