internal object GetPropertyValue(Guid propertySet, int propertyID)
{
tagDBPROP[] gdbpropArray;
if (this._icommandText == null)
{
return(OleDbPropertyStatus.NotSupported);
}
System.Data.Common.UnsafeNativeMethods.ICommandProperties properties = this.ICommandProperties();
using (PropertyIDSet set2 = new PropertyIDSet(propertySet, propertyID))
{
OleDbHResult result;
using (DBPropSet set = new DBPropSet(properties, set2, out result))
{
if (result < OleDbHResult.S_OK)
{
SafeNativeMethods.Wrapper.ClearErrorInfo();
}
gdbpropArray = set.GetPropertySet(0, out propertySet);
}
}
if (gdbpropArray[0].dwStatus == OleDbPropertyStatus.Ok)
{
return(gdbpropArray[0].vValue);
}
return(gdbpropArray[0].dwStatus);
}
private bool PropertiesOnCommand(bool throwNotSupported)
{
if (this._icommandText == null)
{
OleDbConnection connection = this._connection;
if (connection == null)
{
connection.CheckStateOpen("Properties");
}
if (!this._trackingForClose)
{
this._trackingForClose = true;
connection.AddWeakReference(this, 1);
}
this._icommandText = connection.ICommandText();
if (this._icommandText == null)
{
if (throwNotSupported || this.HasParameters())
{
throw ODB.CommandTextNotSupported(connection.Provider, null);
}
return(false);
}
using (DBPropSet set = this.CommandPropertySets())
{
if (set != null)
{
System.Data.Common.UnsafeNativeMethods.ICommandProperties properties = this.ICommandProperties();
Bid.Trace("<oledb.ICommandProperties.SetProperties|API|OLEDB> %d#\n", this.ObjectID);
OleDbHResult result = properties.SetProperties(set.PropertySetCount, set);
Bid.Trace("<oledb.ICommandProperties.SetProperties|API|OLEDB|RET> %08X{HRESULT}\n", result);
if (result < OleDbHResult.S_OK)
{
SafeNativeMethods.Wrapper.ClearErrorInfo();
}
}
}
}
return(true);
}
