UIPermission Class
Assembly: mscorlib (in mscorlib.dll)
'Declaration <SerializableAttribute> _ <ComVisibleAttribute(True)> _ Public NotInheritable Class UIPermission Inherits CodeAccessPermission Implements IUnrestrictedPermission 'Usage Dim instance As UIPermission
/** @attribute SerializableAttribute() */ /** @attribute ComVisibleAttribute(true) */ public final class UIPermission extends CodeAccessPermission implements IUnrestrictedPermission
SerializableAttribute ComVisibleAttribute(true) public final class UIPermission extends CodeAccessPermission implements IUnrestrictedPermission
Drawing and user input events in windows are user interfaces.
The permission to use windows can be one of the following: unrestricted, limited to SafeTopLevelWindows, only SafeSubWindows, or no window drawing or user input event access allowed. SafeTopLevelWindows and SafeSubWindows are restricted in title and size to prevent possible spoofing by potentially harmful code.
The permission to use the clipboard can be one of the following: unrestricted, write-only, or no clipboard access allowed. The paste limitation prevents potentially harmful applications from taking data from the clipboard without the user's consent, while still allowing the cut, copy, and paste operations when initiated by the user through keyboard commands.
Imports System Imports System.Security Imports System.Security.Permissions Imports Microsoft.VisualBasic <Assembly: CLSCompliant(True)> Public Class UIPermissionDemo ' The IsSubsetOf method determines whether the current permission is a ' subset of the specified permission. This demo uses the IsSubsetOf method ' to determine the relationship of two UIPermissionWindow permissions and ' two UIPermissionClipboard permissions. Private Function IsSubsetOfWindowAndClipboardDemo() As Boolean Dim returnValue As Boolean = True Dim ui1, ui2 As UIPermissionWindow Dim cb1, cb2 As UIPermissionClipboard Dim uiIdPerm1, uiIdPerm2 As UIPermission Dim uiGen1 As New UIGenerator() Dim uiGen2 As New UIGenerator() uiGen1.ResetIndex() While uiGen1.CreateUI(ui1, cb1) uiIdPerm1 = New UIPermission(ui1, cb1) uiGen2.ResetIndex() Console.WriteLine("********************************************************" & ControlChars.Lf) While uiGen2.CreateUI(ui2, cb2) uiIdPerm2 = New UIPermission(ui2, cb2) Try If uiIdPerm1.IsSubsetOf(uiIdPerm2) Then Console.WriteLine(uiIdPerm1.Window.ToString() & " and " _ & uiIdPerm1.Clipboard.ToString() & " is a subset of " _ & uiIdPerm2.Window.ToString() & " and " & uiIdPerm2.Clipboard.ToString()) Else Console.WriteLine(uiIdPerm1.Window.ToString() & " and " _ & uiIdPerm1.Clipboard.ToString() & " is not a subset of " _ & uiIdPerm2.Window.ToString() & " and " & uiIdPerm2.Clipboard) End If Catch e As Exception Console.WriteLine("An exception was thrown for subset :" & uiIdPerm1.ToString() _ & ControlChars.Lf & uiIdPerm2.ToString() & ControlChars.Lf & e.ToString()) returnValue = False End Try ContinueWhile2: End While ContinueWhile1: End While Return returnValue End Function 'IsSubsetOfWindowAndClipboardDemo ' Compare two UIPemissionWindow permissions. Private Function IsSubsetOfWindowDemo() As Boolean Dim returnValue As Boolean = True Dim ui1, ui2 As UIPermissionWindow Dim uiIdPerm1, uiIdPerm2 As UIPermission Dim uiGen1 As New UIGenerator() Dim uiGen2 As New UIGenerator() uiGen1.ResetIndex() While uiGen1.CreateUI(ui1) uiIdPerm1 = New UIPermission(ui1) uiGen2.ResetIndex() Console.WriteLine("********************************************************" & ControlChars.Lf) While uiGen2.CreateUI(ui2) uiIdPerm2 = New UIPermission(ui2) Try If uiIdPerm1.IsSubsetOf(uiIdPerm2) Then Console.WriteLine(uiIdPerm1.Window.ToString() & " is a subset of " _ & uiIdPerm2.Window.ToString()) Else Console.WriteLine(uiIdPerm1.Window.ToString() & " is not a subset of " _ & uiIdPerm2.Window.ToString()) End If Catch e As Exception Console.WriteLine(("An exception was thrown for subset :" & uiIdPerm1.ToString() _ & ControlChars.Lf & uiIdPerm2.ToString() & ControlChars.Lf & e.ToString())) returnValue = False End Try ContinueWhile2: End While ContinueWhile1: End While Return returnValue End Function 'IsSubsetOfWindowDemo ' Compare two UIPermissionClipboard permissions. Private Function IsSubsetOfClipboardDemo() As Boolean Dim returnValue As Boolean = True Dim cb1, cb2 As UIPermissionClipboard Dim uiIdPerm1, uiIdPerm2 As UIPermission Dim uiGen1 As New UIGenerator() Dim uiGen2 As New UIGenerator() uiGen1.ResetIndex() While uiGen1.CreateUI(cb1) uiIdPerm1 = New UIPermission(cb1) uiGen2.ResetIndex() Console.WriteLine("********************************************************" & ControlChars.Lf) While uiGen2.CreateUI(cb2) uiIdPerm2 = New UIPermission(cb2) Try If uiIdPerm1.IsSubsetOf(uiIdPerm2) Then Console.WriteLine(uiIdPerm1.Clipboard.ToString() & " is a subset of " _ & uiIdPerm2.Clipboard.ToString()) Else Console.WriteLine(uiIdPerm1.Clipboard.ToString() & " is not a subset of " _ & uiIdPerm2.Clipboard.ToString()) End If Catch e As Exception Console.WriteLine("An exception was thrown for subset :" _ & uiIdPerm1.ToString() & ControlChars.Lf & uiIdPerm2.ToString() _ & ControlChars.Lf & e.ToString()) returnValue = False End Try ContinueWhile2: End While ContinueWhile1: End While Return returnValue End Function 'IsSubsetOfClipboardDemo ' Union creates a new permission that is the union of the current permission and the specified permission. Private Function UnionDemo() As Boolean Dim returnValue As Boolean = True Dim ui1, ui2 As UIPermissionWindow Dim cb1, cb2 As UIPermissionClipboard Dim uiIdPerm1, uiIdPerm2 As UIPermission Dim uiIdPerm3 As IPermission Dim uiGen1 As New UIGenerator() Dim uiGen2 As New UIGenerator() uiGen1.ResetIndex() While uiGen1.CreateUI(ui1, cb1) uiIdPerm1 = New UIPermission(ui1, cb1) Console.WriteLine("**********************************************************" & ControlChars.Lf) uiGen2.ResetIndex() While uiGen2.CreateUI(ui2, cb2) uiIdPerm2 = New UIPermission(ui2, cb2) uiIdPerm3 = CType(uiIdPerm1.Union(uiIdPerm2), UIPermission) uiIdPerm3 = uiIdPerm1.Union(uiIdPerm2) If uiIdPerm3 Is Nothing Then Console.WriteLine(("The union of " & ui1.ToString() & " and " & ui2.ToString() & " is null.")) Else Console.WriteLine(("The union of " & uiIdPerm1.Window.ToString() & " and " _ & uiIdPerm1.Clipboard.ToString() & " with " & uiIdPerm2.Window.ToString() _ & " and " & uiIdPerm2.Clipboard.ToString() & " = " & ControlChars.Lf _ & ControlChars.Tab & CType(uiIdPerm3, UIPermission).Window.ToString() & " and " _ & CType(uiIdPerm3, UIPermission).Clipboard.ToString())) End If ContinueWhile2: End While ContinueWhile1: End While Return returnValue End Function ' Intersect creates and returns a new permission that is the intersection of the current ' permission and the permission specified. Private Function IntersectDemo() As Boolean Dim returnValue As Boolean = True Dim ui1, ui2 As UIPermissionWindow Dim cb1, cb2 As UIPermissionClipboard Dim uiIdPerm1, uiIdPerm2, uiIdPerm3 As UIPermission Dim uiGen1 As New UIGenerator() Dim uiGen2 As New UIGenerator() uiGen1.ResetIndex() While uiGen1.CreateUI(ui1, cb1) uiIdPerm1 = New UIPermission(ui1, cb1) Console.WriteLine("**********************************************************" & ControlChars.Lf) uiGen2.ResetIndex() While uiGen2.CreateUI(ui2, cb2) uiIdPerm2 = New UIPermission(ui2, cb2) uiIdPerm3 = CType(uiIdPerm1.Intersect(uiIdPerm2), UIPermission) If Not (uiIdPerm3 Is Nothing) Then Console.WriteLine(("The intersection of " & uiIdPerm1.Window.ToString() & " and " _ & uiIdPerm1.Clipboard.ToString() & " with " & uiIdPerm2.Window.ToString() _ & " and " & uiIdPerm2.Clipboard.ToString() & " = " & ControlChars.Lf _ & ControlChars.Tab & CType(uiIdPerm3, UIPermission).Window.ToString() & " and " _ & CType(uiIdPerm3, UIPermission).Clipboard.ToString())) Else Console.WriteLine(("The intersection of " & ui1.ToString() & " and " & cb1.ToString() _ & " with " & ui2.ToString() & " and " & cb2.ToString() & " is null.")) End If ContinueWhile2: End While ContinueWhile1: End While Return returnValue End Function 'IntersectDemo 'Copy creates and returns an identical copy of the current permission. Private Function CopyDemo() As Boolean Dim returnValue As Boolean = True Dim ui1 As UIPermissionWindow Dim cb1 As UIPermissionClipboard Dim uiIdPerm1, uiIdPerm2 As UIPermission Dim uiGen1 As New UIGenerator() Dim uiGen2 As New UIGenerator() uiGen1.ResetIndex() While uiGen1.CreateUI(ui1, cb1) uiIdPerm1 = New UIPermission(ui1, cb1) uiGen2.ResetIndex() Console.WriteLine("********************************************************" & ControlChars.Lf) Try uiIdPerm2 = CType(uiIdPerm1.Copy(), UIPermission) Console.WriteLine(("Result of copy = " & uiIdPerm2.ToString())) Catch e As Exception Console.WriteLine(("The copy failed :" & uiIdPerm1.ToString() & e.ToString())) GoTo ContinueWhile1 End Try ContinueWhile1: End While Return returnValue End Function 'CopyDemo ' ToXml creates an XML encoding of the permission and its current state; ' FromXml reconstructs a permission with the specified state from the XML encoding. Private Function ToFromXmlDemo() As Boolean Dim returnValue As Boolean = True Dim ui1 As UIPermissionWindow Dim cb1 As UIPermissionClipboard Dim uiIdPerm1, uiIdPerm2 As UIPermission Dim uiGen1 As New UIGenerator() Dim uiGen2 As New UIGenerator() uiGen1.ResetIndex() While uiGen1.CreateUI(ui1, cb1) uiIdPerm1 = New UIPermission(ui1, cb1) Console.WriteLine("********************************************************" & ControlChars.Lf) uiGen2.ResetIndex() Try uiIdPerm2 = New UIPermission(PermissionState.None) uiIdPerm2.FromXml(uiIdPerm1.ToXml()) Console.WriteLine(("Result of ToFromXml = " & uiIdPerm2.ToString())) Catch e As Exception Console.WriteLine(("ToFromXml failed :" & uiIdPerm1.ToString() & e.ToString())) GoTo ContinueWhile1 End Try ContinueWhile1: End While Return returnValue End Function 'ToFromXmlDemo ' Invoke all demos. Public Function runDemo() As Boolean Dim returnCode As Boolean = True Dim tempReturnCode As Boolean ' Call the IsSubsetOfClipboard demo. tempReturnCode = IsSubsetOfClipboardDemo() If tempReturnCode Then Console.Out.WriteLine("IsSubsetOfClipboard demo completed successfully.") Else Console.Out.WriteLine("IsSubsetOfClipboard demo failed") End If returnCode = tempReturnCode AndAlso returnCode ' Call the IsSubsetOfWindow demo. tempReturnCode = IsSubsetOfWindowDemo() If tempReturnCode Then Console.Out.WriteLine("IsSubsetOfWindow demo completed successfully.") Else Console.Out.WriteLine("IsSubsetOfWindow demo failed") End If returnCode = tempReturnCode AndAlso returnCode ' Call the IsSubsetOfWindowAndClipboard demo. tempReturnCode = IsSubsetOfWindowAndClipboardDemo() If tempReturnCode Then Console.Out.WriteLine("IsSubsetOfWindowAndClipboard demo completed successfully.") Else Console.Out.WriteLine("IsSubsetOfWindowAndClipboard demo failed") End If returnCode = tempReturnCode AndAlso returnCode ' Call the Union demo. tempReturnCode = UnionDemo() If tempReturnCode Then Console.Out.WriteLine("Union demo completed successfully.") Else Console.Out.WriteLine("Union demo failed.") End If returnCode = tempReturnCode AndAlso returnCode ' Call the Intersect demo. tempReturnCode = IntersectDemo() If tempReturnCode Then Console.Out.WriteLine("Intersect demo completed successfully. ") Else Console.Out.WriteLine("Intersect demo failed.") End If returnCode = tempReturnCode AndAlso returnCode ' Call the Copy demo. tempReturnCode = CopyDemo() If tempReturnCode Then Console.Out.WriteLine("Copy demo completed successfully.") Else Console.Out.WriteLine("Copy demo failed.") End If returnCode = tempReturnCode AndAlso returnCode ' Call the ToFromXml demo. tempReturnCode = ToFromXmlDemo() If tempReturnCode Then Console.Out.WriteLine("ToFromXml demo completed successfully.") Else Console.Out.WriteLine("ToFromXml demo failed.") End If returnCode = tempReturnCode AndAlso returnCode Return returnCode End Function 'runDemo ' Test harness. Public Overloads Shared Sub Main(ByVal args() As [String]) Try Dim democase As New UIPermissionDemo() Dim returnCode As Boolean = democase.runDemo() If returnCode Then Console.Out.WriteLine("UIPermission demo completed successfully.") Console.Out.WriteLine("Press the Enter key to exit.") Dim consoleInput As String = Console.ReadLine() System.Environment.ExitCode = 100 Else Console.Out.WriteLine("UIPermission demo failed.") Console.Out.WriteLine("Press the Enter key to exit.") Dim consoleInput As String = Console.ReadLine() System.Environment.ExitCode = 101 End If Catch e As Exception Console.Out.WriteLine("UIPermission demo failed") Console.WriteLine(e.ToString()) Console.Out.WriteLine("Press the Enter key to exit.") Dim consoleInput As String = Console.ReadLine() System.Environment.ExitCode = 101 End Try End Sub 'Main End Class 'UIPermissionDemo ' This class generates UIPermission objects. Friend Class UIGenerator Private myUI As UIPermissionWindow() = {UIPermissionWindow.AllWindows, UIPermissionWindow.SafeSubWindows, UIPermissionWindow.SafeTopLevelWindows, UIPermissionWindow.NoWindows} Private myCB As UIPermissionClipboard() = {UIPermissionClipboard.AllClipboard, UIPermissionClipboard.OwnClipboard, UIPermissionClipboard.NoClipboard} Private uiIndex As Integer = 0 Private cbIndex As Integer = 0 Public Sub New() ResetIndex() End Sub 'New Public Sub ResetIndex() uiIndex = 0 cbIndex = 0 End Sub 'ResetIndex Public Sub ResetUIIndex() uiIndex = 0 End Sub 'ResetUIIndex ' Create a UIPermission object using both a UIPermission Window enumeration and a ' UIPermissionClipboard enumeration to specify permissions. Public Overloads Function CreateUI(ByRef ui As UIPermissionWindow, ByRef cb As UIPermissionClipboard) As Boolean If uiIndex >= myUI.Length AndAlso cbIndex >= myCB.Length - 1 Then ui = UIPermissionWindow.NoWindows cb = UIPermissionClipboard.NoClipboard Return False End If If uiIndex >= myUI.Length AndAlso cbIndex < myCB.Length - 1 Then ResetUIIndex() ui = myUI(uiIndex) uiIndex = uiIndex + 1 cbIndex = cbIndex + 1 cb = myCB(cbIndex) Return True End If ui = myUI(uiIndex) uiIndex = uiIndex + 1 cb = myCB(cbIndex) Return True End Function 'CreateUI ' Create a UIPermission using the specified UIPermissionWindow enumeration ' to set Window permissions. Public Overloads Function CreateUI(ByRef ui As UIPermissionWindow) As Boolean If uiIndex >= myUI.Length Then ui = UIPermissionWindow.NoWindows Return False End If ui = myUI(uiIndex) uiIndex = uiIndex + 1 Return True End Function 'CreateUI ' Create a UIPermission using Create a UIPermission using the specified UIPermissionClipboard enumeration to set Clipboard permissions. Public Overloads Function CreateUI(ByRef cb As UIPermissionClipboard) As Boolean If cbIndex >= myCB.Length Then cb = UIPermissionClipboard.NoClipboard Return False End If cb = myCB(cbIndex) cbIndex = cbIndex + 1 Return True End Function End Class
// This sample demonstrates the IsSubsetOf, Union, Intersect, Copy,
// ToXml and FromXml methods
// of the UIPermission class.
import System.* ;
import System.Security.* ;
import System.Security.Permissions.*;
/** @assembly CLSCompliant(true)
*/
public class UIPermissionDemo
{
// The IsSubsetOf method determines whether the current permission is
// a subset of the specified permission.
// This demo uses the IsSubsetOf method to determine the relationship
// of two UIPermissionWindow permissions and two UIPermissionClipboard
// permissions.
private boolean IsSubsetOfWindowAndClipboardDemo()
{
boolean returnValue = true;
UIPermissionWindow ui1[] = new UIPermissionWindow[1];
UIPermissionWindow ui2[] = new UIPermissionWindow[1];
UIPermissionClipboard cb1[] = new UIPermissionClipboard[1];
UIPermissionClipboard cb2[] = new UIPermissionClipboard[1];
UIPermission uiIdPerm1[] = new UIPermission[1];
UIPermission uiIdPerm2[] = new UIPermission[1];
UIGenerator uiGen1 = new UIGenerator();
UIGenerator uiGen2 = new UIGenerator();
uiGen1.ResetIndex();
while (uiGen1.CreateUI(uiIdPerm1, ui1, cb1)) {
if (uiIdPerm1[0] == null) {
continue;
}
uiGen2.ResetIndex();
Console.WriteLine("**************************************"
+ "******************\n");
while (uiGen2.CreateUI(uiIdPerm2, ui2, cb2)) {
if (uiIdPerm2[0] == null) {
continue;
}
try {
if (uiIdPerm1[0].IsSubsetOf(uiIdPerm2[0])) {
Console.WriteLine((uiIdPerm1[0].get_Window()
+ " and " + uiIdPerm1[0].get_Clipboard()
+ " is a subset of " + uiIdPerm2[0].get_Window()
+ " and " + uiIdPerm2[0].get_Clipboard()));
}
else {
Console.WriteLine((uiIdPerm1[0].get_Window()
+ " and " + uiIdPerm1[0].get_Clipboard()
+ " is not a subset of " + uiIdPerm2[0].get_Window()
+ " and " + uiIdPerm2[0].get_Clipboard()));
}
}
catch (System.Exception e) {
Console.WriteLine(("An exception was "
+ "thrown for subset :"
+ uiIdPerm1[0] + "\n" + uiIdPerm2[0] + "\n" + e));
returnValue = false;
}
}
}
return returnValue;
} //IsSubsetOfWindowAndClipboardDemo
// Compare two UIPemissionWindow permissions.
private boolean IsSubsetOfWindowDemo()
{
boolean returnValue = true;
UIPermissionWindow ui1[] = new UIPermissionWindow[1];
UIPermissionWindow ui2[] = new UIPermissionWindow[1];
UIPermission uiIdPerm1[] = new UIPermission[1];
UIPermission uiIdPerm2[] = new UIPermission[1];
UIGenerator uiGen1 = new UIGenerator();
UIGenerator uiGen2 = new UIGenerator();
uiGen1.ResetIndex();
while (uiGen1.CreateUI(uiIdPerm1, ui1)) {
if (uiIdPerm1[0] == null) {
continue;
}
uiGen2.ResetIndex();
Console.WriteLine("********************************"
+ "************************\n");
while (uiGen2.CreateUI(uiIdPerm2, ui2)) {
if (uiIdPerm2[0] == null) {
continue;
}
try {
if (uiIdPerm1[0].IsSubsetOf(uiIdPerm2[0])) {
Console.WriteLine((uiIdPerm1[0].get_Window()
+ " is a subset of " + uiIdPerm2[0].get_Window()));
}
else {
Console.WriteLine((uiIdPerm1[0].get_Window()
+ " is not a subset of "
+ uiIdPerm2[0].get_Window()));
}
}
catch (System.Exception e) {
Console.WriteLine(("An exception was "
+ "thrown for subset :" + uiIdPerm1[0]
+ "\n" + uiIdPerm2[0] + "\n" + e));
returnValue = false;
}
}
}
return returnValue;
} //IsSubsetOfWindowDemo
// Compare two UIPermissionClipboard permissions.
private boolean IsSubsetOfClipboardDemo()
{
boolean returnValue = true;
UIPermissionClipboard cb1[] = new UIPermissionClipboard[1];
UIPermissionClipboard cb2[] = new UIPermissionClipboard[1];
UIPermission uiIdPerm1[] = new UIPermission[1];
UIPermission uiIdPerm2[] = new UIPermission[1];
UIGenerator uiGen1 = new UIGenerator();
UIGenerator uiGen2 = new UIGenerator();
uiGen1.ResetIndex();
while (uiGen1.CreateUI(uiIdPerm1, cb1)) {
if (uiIdPerm1[0] == null) {
continue;
}
uiGen2.ResetIndex();
Console.WriteLine("********************************"
+ "************************\n");
while (uiGen2.CreateUI(uiIdPerm2, cb2)) {
if (uiIdPerm2[0] == null) {
continue;
}
try {
if (uiIdPerm1[0].IsSubsetOf(uiIdPerm2[0])) {
Console.WriteLine((uiIdPerm1[0].get_Clipboard()
+ " is a subset of "
+ uiIdPerm2[0].get_Clipboard()));
}
else {
Console.WriteLine((uiIdPerm1[0].get_Clipboard()
+ " is not a subset of "
+ uiIdPerm2[0].get_Clipboard()));
}
}
catch (System.Exception e) {
Console.WriteLine(("An exception was thrown "
+ "for subset :" + uiIdPerm1[0] + "\n"
+ uiIdPerm2[0] + "\n" + e));
returnValue = false;
}
}
}
return returnValue;
} //IsSubsetOfClipboardDemo
// Union creates a new permission that is the union of the current
// permission and the specified permission.
private boolean UnionDemo()
{
boolean returnValue = true;
UIPermissionWindow ui1[] = new UIPermissionWindow[1];
UIPermissionWindow ui2[] = new UIPermissionWindow[1];
UIPermissionClipboard cb1[] = new UIPermissionClipboard[1];
UIPermissionClipboard cb2[] = new UIPermissionClipboard[1];
UIPermission uiIdPerm1[] = new UIPermission[1];
UIPermission uiIdPerm2[] = new UIPermission[1];
IPermission uiIdPerm3;
UIGenerator uiGen1 = new UIGenerator();
UIGenerator uiGen2 = new UIGenerator();
uiGen1.ResetIndex();
while (uiGen1.CreateUI(uiIdPerm1, ui1, cb1)) {
if (uiIdPerm1[0] == null) {
continue;
}
Console.WriteLine("*************************************"
+ "*********************\n");
uiGen2.ResetIndex();
while (uiGen2.CreateUI(uiIdPerm2, ui2, cb2)) {
if (uiIdPerm2[0] == null) {
continue;
}
uiIdPerm3 = ((UIPermission)(uiIdPerm1[0].Union(uiIdPerm2[0])));
uiIdPerm3 = uiIdPerm1[0].Union(uiIdPerm2[0]);
if (uiIdPerm3 == null) {
Console.WriteLine(("The union of " + ui1[0] + " and "
+ ui2[0] + " is null."));
}
else {
Console.WriteLine(("The union of "
+ uiIdPerm1[0].get_Window() + " and "
+ uiIdPerm1[0].get_Clipboard() + " with "
+ uiIdPerm2[0].get_Window() + " and "
+ uiIdPerm2[0].get_Clipboard() + " = \n\t"
+ ((UIPermission)(uiIdPerm3)).get_Window().ToString()
+ " and " + ((UIPermission)(uiIdPerm3)).get_Clipboard().
ToString()));
}
}
}
return returnValue;
} //UnionDemo
// Intersect creates and returns a new permission that is the
// intersection of the current permission and the permission specified.
private boolean IntersectDemo()
{
boolean returnValue = true;
UIPermissionWindow ui1[] = new UIPermissionWindow[1];
UIPermissionWindow ui2[] = new UIPermissionWindow[1];
UIPermissionClipboard cb1[] = new UIPermissionClipboard[1];
UIPermissionClipboard cb2[] = new UIPermissionClipboard[1];
UIPermission uiIdPerm1[] = new UIPermission[1];
UIPermission uiIdPerm2[] = new UIPermission[1];
UIPermission uiIdPerm3 = null;
UIGenerator uiGen1 = new UIGenerator();
UIGenerator uiGen2 = new UIGenerator();
uiGen1.ResetIndex();
while (uiGen1.CreateUI(uiIdPerm1, ui1, cb1)) {
if (uiIdPerm1[0] == null) {
continue;
}
Console.WriteLine("************************************"
+ "**********************\n");
uiGen2.ResetIndex();
while (uiGen2.CreateUI(uiIdPerm2, ui2, cb2)) {
if (uiIdPerm2[0] == null) {
continue;
}
uiIdPerm3 =
((UIPermission)(uiIdPerm1[0].Intersect(uiIdPerm2[0])));
if (uiIdPerm3 != null) {
Console.WriteLine(("The intersection of "
+ uiIdPerm1[0].get_Window() + " and "
+ uiIdPerm1[0].get_Clipboard() + " with "
+ uiIdPerm2[0].get_Window() + " and "
+ uiIdPerm2[0].get_Clipboard() + " = \n\t"
+ ((UIPermission)(uiIdPerm3)).get_Window().ToString()
+ " and " + ((UIPermission)(uiIdPerm3)).get_Clipboard().
ToString()));
}
else {
Console.WriteLine(("The intersection of "
+ ui1[0] + " and " + cb1[0] + " with " + ui2[0]
+ " and " + cb2[0] + " is null."));
}
}
}
return returnValue;
} //IntersectDemo
//Copy creates and returns an identical copy of the current permission.
private boolean CopyDemo()
{
boolean returnValue = true;
UIPermissionWindow ui1[] = new UIPermissionWindow[1];
UIPermissionClipboard cb1[] = new UIPermissionClipboard[1];
UIPermission uiIdPerm1[] = new UIPermission[1];
UIPermission uiIdPerm2 = null;
UIGenerator uiGen1 = new UIGenerator();
UIGenerator uiGen2 = new UIGenerator();
uiGen1.ResetIndex();
while (uiGen1.CreateUI(uiIdPerm1, ui1, cb1)) {
if (uiIdPerm1[0] == null) {
continue;
}
uiGen2.ResetIndex();
Console.WriteLine("**********************************"
+ "**********************\n");
try {
uiIdPerm2 = ((UIPermission)(uiIdPerm1[0].Copy()));
Console.WriteLine(("Result of copy = "
+ uiIdPerm2.ToString()));
catch (System.Exception e) {
Console.WriteLine(("The copy failed :"
+ uiIdPerm1[0].ToString() + e));
continue;
}
}
return returnValue;
} //CopyDemo
// ToXml creates an XML encoding of the permission and its current state;
// FromXml reconstructs a permission with the specified state from the
// XML encoding.
private boolean ToFromXmlDemo()
{
boolean returnValue = true;
UIPermissionWindow ui1[] = new UIPermissionWindow[1];
UIPermissionClipboard cb1[] = new UIPermissionClipboard[1];
UIPermission uiIdPerm1[] = new UIPermission[1];
UIPermission uiIdPerm2 = null;
UIGenerator uiGen1 = new UIGenerator();
UIGenerator uiGen2 = new UIGenerator();
uiGen1.ResetIndex();
while (uiGen1.CreateUI(uiIdPerm1, ui1, cb1)) {
if (uiIdPerm1 == null) {
continue;
}
Console.WriteLine("*************************************"
+ "*******************\n");
uiGen2.ResetIndex();
try {
uiIdPerm2 = new UIPermission(PermissionState.None);
uiIdPerm2.FromXml(uiIdPerm1[0].ToXml());
Console.WriteLine(("Result of ToFromXml = "
+ uiIdPerm2.ToString()));
}
catch (System.Exception e) {
Console.WriteLine(("ToFromXml failed :"
+ uiIdPerm1[0].ToString() + e));
continue;
}
}
return returnValue;
} //ToFromXmlDemo
// Invoke all demos.
public boolean runDemo()
{
boolean returnCode = true;
boolean tempReturnCode;
// Call the IsSubsetOfClipboard demo.
if (tempReturnCode = IsSubsetOfClipboardDemo()) {
Console.get_Out().WriteLine("IsSubsetOfClipboard demo "
+ "completed successfully.");
}
else {
Console.get_Out().WriteLine("IsSubsetOfClipboard demo failed");
}
returnCode = tempReturnCode && returnCode;
// Call the IsSubsetOfWindow demo.
if (tempReturnCode = IsSubsetOfWindowDemo()) {
Console.get_Out().WriteLine("IsSubsetOfWindow demo "
+ "completed successfully.");
}
else {
Console.get_Out().WriteLine("IsSubsetOfWindow demo failed");
}
returnCode = tempReturnCode && returnCode;
// Call the IsSubsetOfWindowAndClipboard demo.
if (tempReturnCode = IsSubsetOfWindowAndClipboardDemo()) {
Console.get_Out().WriteLine("IsSubsetOfWindowAndClipboard "
+ "demo completed successfully.");
}
else {
Console.get_Out().WriteLine("IsSubsetOfWindowAndClipboard "
+ "demo failed");
}
returnCode = tempReturnCode && returnCode;
// Call the Union demo.
if (tempReturnCode = UnionDemo()) {
Console.get_Out().WriteLine("Union demo completed successfully.");
}
else {
Console.get_Out().WriteLine("Union demo failed.");
}
returnCode = tempReturnCode && returnCode;
// Call the Intersect demo.
if (tempReturnCode = IntersectDemo()) {
Console.get_Out().WriteLine("Intersect demo completed "
+ "successfully. ");
}
else {
Console.get_Out().WriteLine("Intersect demo failed.");
}
returnCode = tempReturnCode && returnCode;
// Call the Copy demo.
if (tempReturnCode = CopyDemo()) {
Console.get_Out().WriteLine("Copy demo completed successfully.");
}
else {
Console.get_Out().WriteLine("Copy demo failed.");
}
returnCode = tempReturnCode && returnCode;
// Call the ToFromXml demo.
if (tempReturnCode = ToFromXmlDemo()) {
Console.get_Out().WriteLine("ToFromXml demo completed "
+ "successfully.");
}
else {
Console.get_Out().WriteLine("ToFromXml demo failed.");
}
returnCode = tempReturnCode && returnCode;
return returnCode;
} //runDemo
// Test harness.
public static void main(String[] args)
{
try {
UIPermissionDemo democase = new UIPermissionDemo();
boolean returnCode = democase.runDemo();
if (returnCode) {
Console.get_Out().WriteLine(
"UIPermission demo completed successfully.");
Console.get_Out().WriteLine("Press the Enter key to exit.");
String consoleInput = Console.ReadLine();
Environment.set_ExitCode(100);
}
else {
Console.get_Out().WriteLine("UIPermission demo failed.");
Console.get_Out().WriteLine("Press the Enter key to exit.");
String consoleInput = Console.ReadLine();
Environment.set_ExitCode(101);
}
}
catch (System.Exception e) {
Console.get_Out().WriteLine("UIPermission demo failed");
Console.WriteLine(e.ToString());
Console.get_Out().WriteLine("Press the Enter key to exit.");
String consoleInput = Console.ReadLine();
Environment.set_ExitCode(101);
}
} //main
} //UIPermissionDemo
// This class generates UIPermission objects.
class UIGenerator
{
private UIPermissionWindow myUI[] = {
UIPermissionWindow.AllWindows,
UIPermissionWindow.SafeSubWindows,
UIPermissionWindow.SafeTopLevelWindows,
UIPermissionWindow.NoWindows};
private UIPermissionClipboard myCB[] = {
UIPermissionClipboard.AllClipboard,
UIPermissionClipboard.OwnClipboard,
UIPermissionClipboard.NoClipboard};
private int uiIndex = 0;
private int cbIndex = 0;
public UIGenerator()
{
ResetIndex();
} //UIGenerator
public void ResetIndex()
{
uiIndex = 0;
cbIndex = 0;
} //ResetIndex
public void ResetUIIndex()
{
uiIndex = 0;
} //ResetUIIndex
// Create a UIPermission object using both a UIPermission Window
// enumeration and a UIPermissionClipboard enumeration to specify
// permissions.
public boolean CreateUI(UIPermission uiPerm[], UIPermissionWindow ui[],
UIPermissionClipboard cb[])
{
if (uiIndex >= myUI.length && cbIndex >= myCB.length - 1) {
ui[0] = UIPermissionWindow.NoWindows;
cb[0] = UIPermissionClipboard.NoClipboard;
uiPerm[0] = new UIPermission(ui[0], cb[0]);
return false;
}
if (uiIndex >= myUI.length && cbIndex < myCB.length - 1) {
ResetUIIndex();
ui[0] = myUI[uiIndex++];
cb[0] = myCB[++cbIndex];
uiPerm[0] = new UIPermission(ui[0], cb[0]);
return true;
}
ui[0] = myUI[uiIndex++];
cb[0] = myCB[cbIndex];
try {
uiPerm[0] = new UIPermission(ui[0], cb[0]);
return true;
}
catch (System.Exception e) {
Console.WriteLine(("Cannot create UIPermission: "
+ ui + " " + e));
uiPerm[0] = new UIPermission(PermissionState.None);
ui[0] = UIPermissionWindow.NoWindows;
return true;
}
}
// Create a UIPermission using Create a UIPermission using the
// specified UIPermissionWindow enumeration to set Window permissions.
public boolean CreateUI(UIPermission uiPerm[], UIPermissionWindow ui[])
{
if (uiIndex >= myUI.length) {
uiPerm[0] = new UIPermission(PermissionState.None);
ui[0] = UIPermissionWindow.NoWindows;
return false;
}
ui[0] = myUI[uiIndex++];
try {
uiPerm[0] = new UIPermission(ui[0]);
return true;
}
catch (System.Exception e) {
Console.WriteLine(("Cannot create UIPermission: "
+ ui[0] + " " + e));
uiPerm[0] = new UIPermission(PermissionState.None);
ui[0] = UIPermissionWindow.NoWindows;
return true;
}
} //CreateUI
// Create a UIPermission using the specified UIPermissionClipboard
// enumeration to set Clipboard permissions.
public boolean CreateUI(UIPermission uiPerm[],
UIPermissionClipboard cb[])
{
if (cbIndex >= myCB.length) {
uiPerm[0] = new UIPermission(PermissionState.None);
cb[0] = UIPermissionClipboard.NoClipboard;
return false;
}
cb[0] = myCB[cbIndex++];
try {
uiPerm[0] = new UIPermission(cb[0]);
return true;
}
catch (System.Exception e) {
Console.WriteLine(("Cannot create UIPermission: "
+ cb[0] + " " + e));
uiPerm[0] = new UIPermission(PermissionState.None);
cb[0] = UIPermissionClipboard.NoClipboard;
return true;
}
} //CreateUI
} //UIGenerator
Windows 98, Windows 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 .NET Framework does not support all versions of every platform. For a list of the supported versions, see System Requirements.