ResourcePermissionBase Class
.NET Framework 3.0
Allows control of code access security permissions.
Namespace: System.Security.Permissions
Assembly: System (in system.dll)
Notes to Inheritors:
When you inherit from ResourcePermissionBase, you must provide at least three constructors, set two properties, and provide a third property. The required constructors are: a default constructor, one that takes a PermissionState as a parameter, and as many as needed that take values for the properties. The properties that need to be set are PermissionAccessType and TagNames. The third property that is needed is one that returns the permission entries. For an example of an implementation of this class, see PerformanceCounterPermission. In PerformanceCounterPermission, the TagNames property is set privately to "Machine" and "Category", the PermissionAccessType property is privately set to the type of PerformanceCounterPermissionAccess, and the PermissionEntries property returns the permission entries.
Assembly: System (in system.dll)
[SerializableAttribute] public ref class ResourcePermissionBase abstract : public CodeAccessPermission, IUnrestrictedPermission
/** @attribute SerializableAttribute() */ public abstract class ResourcePermissionBase extends CodeAccessPermission implements IUnrestrictedPermission
SerializableAttribute public abstract class ResourcePermissionBase extends CodeAccessPermission implements IUnrestrictedPermission
Not applicable.
Note: |
|---|
| The ResourcePermissionBase class compares strings using ordinal sort rules and ignores the case of the strings being compared. |
The following example inherits from the ResourcePermissionBase class. 4 kinds of constructors are implemented. The example also provides an implementation of a class called MailslotPermissionEntry. The PermissionAccessType property is then privately set to the type of MailslotPermissionEntry. The TagNames property is set privately to "Name" and "Machine".
#using <System.dll> using namespace System; using namespace System::Security::Permissions; using namespace System::Collections; [Flags] public enum class MailslotPermissionAccess { None = 0, Send = 1 << 1, Receive = 1 << 2 | MailslotPermissionAccess::Send }; [Serializable] public ref class MailslotPermissionEntry { private: String^ name; String^ machineName; MailslotPermissionAccess permissionAccess; internal: MailslotPermissionEntry( ResourcePermissionBaseEntry^ baseEntry ) { this->permissionAccess = (MailslotPermissionAccess)baseEntry->PermissionAccess; this->name = baseEntry->PermissionAccessPath[ 0 ]->ToString(); this->machineName = baseEntry->PermissionAccessPath[ 1 ]->ToString(); } ResourcePermissionBaseEntry^ GetBaseEntry() { array<String^>^newStrings = {this->Name,this->MachineName}; ResourcePermissionBaseEntry^ baseEntry = gcnew ResourcePermissionBaseEntry( (int)(this->PermissionAccess),newStrings ); return baseEntry; } public: MailslotPermissionEntry( MailslotPermissionAccess permissionAccess, String^ name, String^ machineName ) { this->permissionAccess = permissionAccess; this->name = name; this->machineName = machineName; } property String^ Name { String^ get() { return this->name; } } property String^ MachineName { String^ get() { return this->machineName; } } property MailslotPermissionAccess PermissionAccess { MailslotPermissionAccess get() { return this->permissionAccess; } } }; [Serializable] public ref class MailslotPermission: public ResourcePermissionBase { private: ArrayList^ innerCollection; void SetNames() { this->PermissionAccessType = MailslotPermissionAccess::typeid; array<String^>^newStrings = {"Name","Machine"}; this->TagNames = newStrings; } internal: void AddPermissionAccess( MailslotPermissionEntry^ entry ) { ResourcePermissionBase::AddPermissionAccess( entry->GetBaseEntry() ); } void Clear() { ResourcePermissionBase::Clear(); } void RemovePermissionAccess( MailslotPermissionEntry^ entry ) { ResourcePermissionBase::RemovePermissionAccess( entry->GetBaseEntry() ); } public: MailslotPermission() { SetNames(); } MailslotPermission( PermissionState state ) : ResourcePermissionBase( state ) { SetNames(); } MailslotPermission( MailslotPermissionAccess permissionAccess, String^ name, String^ machineName ) { SetNames(); this->AddPermissionAccess( gcnew MailslotPermissionEntry( permissionAccess,name,machineName ) ); } MailslotPermission( array<MailslotPermissionEntry^>^permissionAccessEntries ) { SetNames(); if ( permissionAccessEntries == nullptr ) throw gcnew ArgumentNullException( "permissionAccessEntries" ); for ( int index = 0; index < permissionAccessEntries->Length; ++index ) this->AddPermissionAccess( permissionAccessEntries[ index ] ); } property ArrayList^ PermissionEntries { ArrayList^ get() { if ( this->innerCollection == nullptr ) this->innerCollection = gcnew ArrayList; this->innerCollection->InsertRange( 0, safe_cast<ICollection^>(ResourcePermissionBase::GetPermissionEntries()) ); return this->innerCollection; } } };
import System.*;
import System.Security.Permissions.*;
import System.Collections.*;
/** @attribute Serializable()
*/
public class MailSlotPermission extends ResourcePermissionBase
{
private ArrayList innerCollection;
public MailSlotPermission()
{
SetNames();
} //MailSlotPermission
public MailSlotPermission(PermissionState state)
{
super(state);
SetNames();
} //MailSlotPermission
public MailSlotPermission(MailSlotPermissionAccess permissionAccess,
String name, String machineName)
{
SetNames();
this.AddPermissionAccess(new MailSlotPermissionEntry(permissionAccess,
name, machineName));
} //MailSlotPermission
public MailSlotPermission(MailSlotPermissionEntry permissionAccessEntries[])
{
SetNames();
if (permissionAccessEntries == null) {
throw new ArgumentNullException("permissionAccessEntries");
}
for (int index = 0; index < permissionAccessEntries.get_Length();
++index) {
this.AddPermissionAccess((MailSlotPermissionEntry)
permissionAccessEntries.get_Item(index));
}
} //MailSlotPermission
/** @property
*/
public ArrayList get_PermissionEntries()
{
if (this.innerCollection == null) {
this.innerCollection = new ArrayList();
}
this.innerCollection.InsertRange(0, super.GetPermissionEntries());
return this.innerCollection;
}
void AddPermissionAccess(MailSlotPermissionEntry entry)
{
super.AddPermissionAccess(entry.GetBaseEntry());
} //AddPermissionAccess
public void Clear()
{
super.Clear();
} //Clear
void RemovePermissionAccess(MailSlotPermissionEntry entry)
{
super.RemovePermissionAccess(entry.GetBaseEntry());
} //RemovePermissionAccess
private void SetNames()
{
this.set_PermissionAccessType(MailSlotPermissionAccess.class.ToType());
this.set_TagNames(new String[] { "Name", "Machine" });
} //SetNames
} //MailSlotPermission
public class MailSlotPermissionAccess
{
public static int None = 0;
public static int Send = 1 << 1;
public static int Receive = 1 << 2 | Send;
} //MailSlotPermissionAccess
/** @attribute Serializable()
*/
public class MailSlotPermissionEntry
{
private String name;
private String machineName;
private MailSlotPermissionAccess permissionAccess;
public MailSlotPermissionEntry(MailSlotPermissionAccess permissionAccess,
String name, String machineName)
{
this.permissionAccess = permissionAccess;
this.name = name;
this.machineName = machineName;
} //MailSlotPermissionEntry
MailSlotPermissionEntry(ResourcePermissionBaseEntry baseEntry)
{
this.permissionAccess =(MailSlotPermissionAccess)(Object)((
Int32)baseEntry.get_PermissionAccess());
this.name = baseEntry.get_PermissionAccessPath()[0];
this.machineName = baseEntry.get_PermissionAccessPath()[1];
} //MailSlotPermissionEntry
/** @property
*/
public String get_Name()
{
return this.name;
}//get_Name
/** @property
*/
public String get_MachineName()
{
return this.machineName;
}//get_MachineName
/** @property
*/
public MailSlotPermissionAccess get_PermissionAccess()
{
return this.permissionAccess;
}//get_PermissionAccess
ResourcePermissionBaseEntry GetBaseEntry()
{
ResourcePermissionBaseEntry baseEntry = new ResourcePermissionBaseEntry(
Convert.ToInt32((Int32)((Object)(this.get_PermissionAccess()))),
new String[] { this.get_Name(), this.get_MachineName() });
return baseEntry;
} //GetBaseEntry
} //MailSlotPermissionEntry
- SecurityPermission for the right to control policy. Security action: InheritanceDemand. Associated enumeration: SecurityPermissionFlag.ControlPolicy.
- SecurityPermission for the right to control evidence. Security action: InheritanceDemand. Associated enumeration: SecurityPermissionFlag.ControlEvidence.
Windows 98, Windows Server 2000 SP4, Windows Millennium Edition, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition
The Microsoft .NET Framework 3.0 is supported on Windows Vista, Microsoft Windows XP SP2, and Windows Server 2003 SP1.Community Additions
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