/// <summary>
/// Advances the enumerator to the next element of the collection.
/// </summary>
/// <returns>
/// true if the enumerator was successfully advanced to the next element; false if the enumerator has passed the end of the collection.
/// </returns>
public bool MoveNext()
{
if (this.database != null)
{
lock (this.database.IsamSession)
{
// filter out anything that is not a normal table
ObjectInfoFlags flags = 0;
do
{
this.MoveNext_();
if (this.current)
{
flags = (ObjectInfoFlags)Api.RetrieveColumnAsUInt32(
this.database.IsamSession.Sesid,
this.objectList.tableid,
this.objectList.columnidflags);
}
}while (this.current && (flags & (ObjectInfoFlags.System | ObjectInfoFlags.TableTemplate)) != 0);
return(this.current);
}
}
else
{
return(this.enumerator.MoveNext());
}
}
internal Guid ObjectType; // ignored unless ObjectInfoFlags.ObjectGuid is set
internal ObjectInfo(
ObjectInfoFlags flags,
string serverName,
string objectName,
string pageTitle)
{
this.Flags = flags;
this.ServerName = serverName;
this.ObjectName = objectName;
this.PageTitle = pageTitle;
this.ObjectType = Guid.Empty;
this.hInstance = IntPtr.Zero;
if (this.PageTitle != null)
{
this.Flags = this.Flags | ObjectInfoFlags.PageTitle;
}
}
internal Guid ObjectType; // ignored unless ObjectInfoFlags.ObjectGuid is set
internal ObjectInfo(
ObjectInfoFlags flags,
string serverName,
string objectName,
string pageTitle)
{
this.Flags = flags;
this.ServerName = serverName;
this.ObjectName = objectName;
this.PageTitle = pageTitle;
this.ObjectType = Guid.Empty;
this.hInstance = IntPtr.Zero;
if (this.PageTitle != null)
{
this.Flags = this.Flags | ObjectInfoFlags.PageTitle;
}
}
public void GetAccessRights(
ref Guid pguidObjectType,
ObjectInfoFlags dwFlags,
[MarshalAs(UnmanagedType.LPArray)] out Access[] ppAccess,
out int pcAccesses,
out int piDefaultAccess)
{
// should set objectType to the pguidObjectType, but we don't need that
// => we leave objectType as Guid.Empty
Guid objectType = Guid.Empty;
AccessRightsWrapper accessRights = model.GetAccessRights(objectType, dwFlags);
Access[] access = accessRights.access;
ppAccess = access;
pcAccesses = (int)access.Length;
piDefaultAccess = (int)accessRights.DefaultIndex;
}
public AccessRights GetAccessRights(ValueType objectType,
ObjectInfoFlags flags)
{
AccessRights rights = new AccessRights();
Access[] access = rights.Access = new Access[17];
// these aliases should make the code more readable
// for the magazine edition (we don't get much width!)
AccessFlags G = AccessFlags.General;
AccessFlags S = AccessFlags.Specific;
// summary page permissions
access[0] = new Access(SERVICE_ALL, "Full Control", G | S);
access[1] = new Access(SERVICE_READ, "Read", G);
access[2] = new Access(SERVICE_WRITE, "Write", G);
access[3] = new Access(SERVICE_EXECUTE, "Execute", G);
// advanced page permissions
access[4] = new Access(0x0001, "Query Configuration", S);
access[5] = new Access(0x0002, "Change Configuration", S);
access[6] = new Access(0x0004, "Query Status", S);
access[7] = new Access(0x0008, "Enumerate Dependents", S);
access[8] = new Access(0x0010, "Start", S);
access[9] = new Access(0x0020, "Stop", S);
access[10] = new Access(0x0040, "Pause or Continue", S);
access[11] = new Access(0x0080, "Interrogate", S);
access[12] = new Access(0x0100, "Send User Defined Control", S);
access[13] = new Access(0x00010000, "Delete", S);
access[14] = new Access(0x00020000, "Read Permissions", S);
access[15] = new Access(0x00040000, "Change Permissions", S);
access[16] = new Access(0x00080000, "Take Ownership", S);
// note how I refer to access[1] as the default ("Read")
rights.DefaultIndex = 1;
return rights;
}
// define the access rights
// we do not use the GUID (it is usefull only when using AD style objects
public AccessRightsWrapper GetAccessRights(Guid objectType, ObjectInfoFlags flags)
{
return accessRights;
}
public void GetAccessRights(
ref Guid pguidObjectType,
ObjectInfoFlags dwFlags,
[MarshalAs(UnmanagedType.LPArray)] out Access[] ppAccess,
out int pcAccesses,
out int piDefaultAccess)
{
// should set objectType to the pguidObjectType, but we don't need that
// => we leave objectType as Guid.Empty
Guid objectType = Guid.Empty;
AccessRightsWrapper accessRights = model.GetAccessRights(objectType, dwFlags);
Access[] access = accessRights.access;
ppAccess = access;
pcAccesses = (int)access.Length;
piDefaultAccess = (int)accessRights.DefaultIndex;
}
// define the access rights
// we do not use the GUID (it is usefull only when using AD style objects
public AccessRightsWrapper GetAccessRights(Guid objectType, ObjectInfoFlags flags)
{
return(accessRights);
}
