internal Dictionary <string, OleDbPropertyInfo> GetValues()
{
Dictionary <string, OleDbPropertyInfo> propertyLookup = null;
bool mustRelease = false;
RuntimeHelpers.PrepareConstrainedRegions();
try {
DangerousAddRef(ref mustRelease);
if (ADP.PtrZero != this.handle)
{
propertyLookup = new Dictionary <string, OleDbPropertyInfo>(StringComparer.OrdinalIgnoreCase);
IntPtr setPtr = this.handle;
tagDBPROPINFO propinfo = new tagDBPROPINFO();
tagDBPROPINFOSET propinfoset = new tagDBPROPINFOSET();
for (int i = 0; i < setCount; ++i, setPtr = ADP.IntPtrOffset(setPtr, ODB.SizeOf_tagDBPROPINFOSET))
{
Marshal.PtrToStructure(setPtr, propinfoset);
int infoCount = propinfoset.cPropertyInfos;
IntPtr infoPtr = propinfoset.rgPropertyInfos;
for (int k = 0; k < infoCount; ++k, infoPtr = ADP.IntPtrOffset(infoPtr, ODB.SizeOf_tagDBPROPINFO))
{
Marshal.PtrToStructure(infoPtr, propinfo);
OleDbPropertyInfo propertyInfo = new OleDbPropertyInfo();
propertyInfo._propertySet = propinfoset.guidPropertySet;
propertyInfo._propertyID = propinfo.dwPropertyID;
propertyInfo._flags = propinfo.dwFlags;
propertyInfo._vtype = propinfo.vtType;
propertyInfo._supportedValues = propinfo.vValue;
propertyInfo._description = propinfo.pwszDescription;
propertyInfo._lowercase = propinfo.pwszDescription.ToLower(CultureInfo.InvariantCulture);
propertyInfo._type = PropertyInfoSet.FromVtType(propinfo.vtType);
if (Bid.AdvancedOn)
{
Bid.Trace("<oledb.struct.OleDbPropertyInfo|INFO|ADV> \n");//, propertyInfo);
}
propertyLookup[propertyInfo._lowercase] = propertyInfo;
}
}
}
}
finally {
if (mustRelease)
{
DangerousRelease();
}
}
return(propertyLookup);
}
internal Dictionary <string, OleDbPropertyInfo> GetPropertyInfo(Guid[] propertySets)
{
bool isopen = HasSession;
OleDbConnectionString constr = ConnectionString;
Dictionary <string, OleDbPropertyInfo> properties = null;
if (null == propertySets)
{
propertySets = new Guid[0];
}
using (PropertyIDSet propidset = new PropertyIDSet(propertySets)) {
using (IDBPropertiesWrapper idbProperties = IDBProperties()) {
using (PropertyInfoSet infoset = new PropertyInfoSet(idbProperties.Value, propidset)) {
properties = infoset.GetValues();
}
}
}
return(properties);
}
internal Dictionary <string, OleDbPropertyInfo> GetPropertyInfo(Guid[] propertySets)
{
bool hasSession = this.HasSession;
if (propertySets == null)
{
propertySets = new Guid[0];
}
using (PropertyIDSet set2 = new PropertyIDSet(propertySets))
{
using (IDBPropertiesWrapper wrapper = this.IDBProperties())
{
using (PropertyInfoSet set = new PropertyInfoSet(wrapper.Value, set2))
{
return(set.GetValues());
}
}
}
}
internal Dictionary <string, OleDbPropertyInfo>?GetPropertyInfo(Guid[] propertySets)
{
Dictionary <string, OleDbPropertyInfo>?properties = null;
if (null == propertySets)
{
propertySets = Array.Empty <Guid>();
}
using (PropertyIDSet propidset = new PropertyIDSet(propertySets))
{
using (IDBPropertiesWrapper idbProperties = IDBProperties())
{
using (PropertyInfoSet infoset = new PropertyInfoSet(idbProperties.Value, propidset))
{
properties = infoset.GetValues();
}
}
}
return(properties);
}
internal Dictionary<string,OleDbPropertyInfo> GetPropertyInfo(Guid[] propertySets) {
bool isopen = HasSession;
OleDbConnectionString constr = ConnectionString;
Dictionary<string,OleDbPropertyInfo> properties = null;
if (null == propertySets) {
propertySets = new Guid[0];
}
using(PropertyIDSet propidset = new PropertyIDSet(propertySets)) {
using(IDBPropertiesWrapper idbProperties = IDBProperties()) {
using(PropertyInfoSet infoset = new PropertyInfoSet(idbProperties.Value, propidset)) {
properties = infoset.GetValues();
}
}
}
return properties;
}
