private static object NotifySource(Object args)
{
object[] argsArray = (object[])args;
PresentationSource source = argsArray[0] as PresentationSource;
if (source != null && !source.IsDisposed)
{
bool needAsserts = System.Security.SecurityManager.CurrentThreadRequiresSecurityContextCapture();
if (needAsserts)
{
// permission required to set RootVisual
new UIPermission(UIPermissionWindow.AllWindows).Assert();
}
// setting the RootVisual to itself triggers the logic to
// add to the AutomationEvents list
source.RootVisual = source.RootVisual;
if (needAsserts)
{
UIPermission.RevertAssert();
}
}
return(null);
}
// Copies the internal strokes to the IDataObject
protected override void DoCopy(IDataObject dataObject)
{
// samgeo - Presharp issue
// Presharp gives a warning when local IDisposable variables are not closed
// in this case, we can't call Dispose since it will also close the underlying stream
// which needs to be open for consumers to read
#pragma warning disable 1634, 1691
#pragma warning disable 6518
// Save the data in the data object.
MemoryStream stream = new MemoryStream();
Strokes.Save(stream);
stream.Position = 0;
(new UIPermission(UIPermissionClipboard.AllClipboard)).Assert();//BlessedAssert
try
{
dataObject.SetData(StrokeCollection.InkSerializedFormat, stream);
}
finally
{
UIPermission.RevertAssert();
}
#pragma warning restore 6518
#pragma warning restore 1634, 1691
}
internal HwndStylusInputProvider(HwndSource source)
{
InputManager inputManager = InputManager.Current;
StylusLogic stylusLogic = inputManager.StylusLogic;
IntPtr sourceHandle;
(new UIPermission(PermissionState.Unrestricted)).Assert();
try //Blessed Assert this is for RegisterInputManager and RegisterHwndforinput
{
// Register ourselves as an input provider with the input manager.
_site = new SecurityCriticalDataClass <InputProviderSite>(inputManager.RegisterInputProvider(this));
sourceHandle = source.Handle;
}
finally
{
UIPermission.RevertAssert();
}
stylusLogic.RegisterHwndForInput(inputManager, source);
_source = new SecurityCriticalDataClass <HwndSource>(source);
_stylusLogic = new SecurityCriticalDataClass <StylusLogic>(stylusLogic);
// Enables multi-touch input
UnsafeNativeMethods.SetProp(new HandleRef(this, sourceHandle), "MicrosoftTabletPenServiceProperty", new HandleRef(null, new IntPtr(MultiTouchEnabledFlag)));
}
public static Point ClientToScreen(Point ptClient, PresentationSource presentationSource)
{
// For now we only know how to use HwndSource.
HwndSource inputSource = presentationSource as HwndSource;
if (inputSource == null)
{
return(ptClient);
}
// Convert the point to screen coordinates.
NativeMethods.POINT ptScreen = new NativeMethods.POINT((int)ptClient.X, (int)ptClient.Y);
// MITIGATION: AVALON_RTL_AND_WIN32RTL
//
// When a window is marked with the WS_EX_LAYOUTRTL style, Win32
// mirrors the coordinates during the various translation APIs.
//
// Avalon also sets up mirroring transforms so that we properly
// mirror the output since we render to DirectX, not a GDI DC.
//
// Unfortunately, this means that our coordinates are already mirrored
// by Win32, and Avalon mirrors them again. To work around this
// problem, we un-mirror the coordinates from Win32 before hit-testing
// in Avalon.
//
//
// Assert for unamanaged code permission to get to the handle.
// Note that we can't use HwndSource.UnsecureHandle here - as this method is called cross-assembly
//
HandleRef handleRef;
new UIPermission(UIPermissionWindow.AllWindows).Assert(); // BlessedAssert:
try
{
handleRef = new HandleRef(inputSource, inputSource.Handle);
}
finally
{
UIPermission.RevertAssert();
}
int windowStyle = UnsafeNativeMethods.GetWindowLong(handleRef, NativeMethods.GWL_EXSTYLE);
if ((windowStyle & NativeMethods.WS_EX_LAYOUTRTL) == NativeMethods.WS_EX_LAYOUTRTL)
{
NativeMethods.RECT rcClient = new NativeMethods.RECT();
SafeNativeMethods.GetClientRect(handleRef, ref rcClient);
ptScreen.x = rcClient.right - ptScreen.x;
}
UnsafeNativeMethods.ClientToScreen(handleRef, ptScreen);
return(new Point(ptScreen.x, ptScreen.y));
}
internal static void InitializeHostFilterInput()
{
(new UIPermission(PermissionState.Unrestricted)).Assert(); // Blessed assert
try
{
ComponentDispatcher.ThreadFilterMessage +=
new ThreadMessageEventHandler(HostFilterInput);
}
finally
{
UIPermission.RevertAssert();
}
}
internal HwndKeyboardInputProvider(HwndSource source)
{
(new UIPermission(PermissionState.Unrestricted)).Assert();
try //Blessed assert for InputManager.Current.RegisterInputProvider
{
_site = new SecurityCriticalDataClass <InputProviderSite>(InputManager.Current.RegisterInputProvider(this));
}
finally
{
UIPermission.RevertAssert();
}
_source = new SecurityCriticalDataClass <HwndSource>(source);
}
internal static Point ScreenToClient(Point ptScreen, PresentationSource presentationSource)
{
// For now we only know how to use HwndSource.
HwndSource inputSource = presentationSource as HwndSource;
if (inputSource == null)
{
return(ptScreen);
}
HandleRef handleRef;
new UIPermission(UIPermissionWindow.AllWindows).Assert(); // BlessedAssert:
try
{
handleRef = new HandleRef(inputSource, inputSource.Handle);
}
finally
{
UIPermission.RevertAssert();
}
// Convert the point from screen coordinates back to client coordinates.
NativeMethods.POINT ptClient = new NativeMethods.POINT((int)ptScreen.X, (int)ptScreen.Y);
SafeNativeMethods.ScreenToClient(handleRef, ptClient);
// MITIGATION: WIN32_AND_AVALON_RTL
//
// When a window is marked with the WS_EX_LAYOUTRTL style, Win32
// mirrors the coordinates during the various translation APIs.
//
// Avalon also sets up mirroring transforms so that we properly
// mirror the output since we render to DirectX, not a GDI DC.
//
// Unfortunately, this means that our coordinates are already mirrored
// by Win32, and Avalon mirrors them again. To work around this
// problem, we un-mirror the coordinates from Win32 before hit-testing
// in Avalon.
//
int windowStyle = SafeNativeMethods.GetWindowStyle(handleRef, true);
if ((windowStyle & NativeMethods.WS_EX_LAYOUTRTL) == NativeMethods.WS_EX_LAYOUTRTL)
{
NativeMethods.RECT rcClient = new NativeMethods.RECT();
SafeNativeMethods.GetClientRect(handleRef, ref rcClient);
ptClient.x = rcClient.right - ptClient.x;
}
return(new Point(ptClient.x, ptClient.y));
}
internal static bool IsClipboardPopulated()
{
bool isPopulated = false;
(new UIPermission(UIPermissionClipboard.AllClipboard)).Assert();//BlessedAssert
try
{
isPopulated = (GetDataObjectInternal() != null);
}
finally
{
UIPermission.RevertAssert();
}
return(isPopulated);
}
private void SetupMainMenu()
{
if (_enterMenuModeHandler == null)
{
_enterMenuModeHandler = new KeyboardNavigation.EnterMenuModeEventHandler(OnEnterMenuMode);
(new UIPermission(UIPermissionWindow.AllWindows)).Assert(); //Blessed Assert
try
{
KeyboardNavigation.Current.EnterMenuMode += _enterMenuModeHandler;
}
finally
{
UIPermission.RevertAssert();
}
}
}
internal HwndPointerInputProvider(HwndSource source)
{
(new UIPermission(PermissionState.Unrestricted)).Assert();
try //Blessed Assert for InputManager.Current.RegisterInputProvider
{
_site = new SecurityCriticalDataClass <InputProviderSite>(InputManager.Current.RegisterInputProvider(this));
}
finally
{
UIPermission.RevertAssert();
}
_source = new SecurityCriticalDataClass <HwndSource>(source);
_pointerLogic = new SecurityCriticalDataClass <PointerLogic>(StylusLogic.GetCurrentStylusLogicAs <PointerLogic>());
// Register the stylus plugin manager
_pointerLogic.Value.PlugInManagers[_source.Value] = new PointerStylusPlugInManager(_source.Value);
// Store if this window is enabled or disabled
int style = MS.Win32.UnsafeNativeMethods.GetWindowLong(new HandleRef(this, source.CriticalHandle), MS.Win32.NativeMethods.GWL_STYLE);
IsWindowEnabled = (style & MS.Win32.NativeMethods.WS_DISABLED) == 0;
}
private void Win32SetForegroundWindow()
{
PresentationSource source = null;
IntPtr hwnd = IntPtr.Zero;
source = PresentationSource.CriticalFromVisual(_textEditor.UiScope);
if (source != null)
{
new UIPermission(UIPermissionWindow.AllWindows).Assert(); //BlessedAssert
try
{
hwnd = (source as IWin32Window).Handle;
}
finally
{
UIPermission.RevertAssert();
}
}
if (hwnd != IntPtr.Zero)
{
UnsafeNativeMethods.SetForegroundWindow(new HandleRef(null, hwnd));
}
}
/// <summary>
/// Creates DataObject for Copy and Drag operations
/// </summary>
internal static DataObject _CreateDataObject(TextEditor This, bool isDragDrop)
{
DataObject dataObject;
// Create the data object for drag and drop.
// We could provide more extensibility here -
// by allowing application to create its own DataObject.
// Without it our extensibility looks inconsistent:
// the interface IDataObject suggests that you can
// create your own implementation of it, but you
// really cannot, because there is no way of
// using it in our TextEditor.Copy/Drag.
(new UIPermission(UIPermissionClipboard.AllClipboard)).Assert();//BlessedAssert
try
{
dataObject = new DataObject();
}
finally
{
UIPermission.RevertAssert();
}
// Get plain text and copy it into the data object.
string textString = This.Selection.Text;
if (textString != String.Empty)
{
// Copy plain text into data object.
// ConfirmDataFormatSetting rasies a public event - could throw recoverable exception.
if (ConfirmDataFormatSetting(This.UiScope, dataObject, DataFormats.Text))
{
dataObject.SetData(DataFormats.Text, textString, false);
}
// Copy unicode text into data object.
// ConfirmDataFormatSetting rasies a public event - could throw recoverable exception.
if (ConfirmDataFormatSetting(This.UiScope, dataObject, DataFormats.UnicodeText))
{
dataObject.SetData(DataFormats.UnicodeText, textString, false);
}
}
// Get the rtf and xaml text and then copy it into the data object after confirm data format.
// We do this only if our content is rich
if (This.AcceptsRichContent)
{
Stream wpfContainerMemory = null;
// null wpfContainerMemory on entry means that container is optional
// and will be not created when there is no images in the range.
// Create in-memory wpf package, and serialize the content of selection into it
string xamlTextWithImages = WpfPayload.SaveRange(This.Selection, ref wpfContainerMemory, /*useFlowDocumentAsRoot:*/ false);
if (xamlTextWithImages.Length > 0)
{
// ConfirmDataFormatSetting raises a public event - could throw recoverable exception.
if (wpfContainerMemory != null && ConfirmDataFormatSetting(This.UiScope, dataObject, DataFormats.XamlPackage))
{
dataObject.SetData(DataFormats.XamlPackage, wpfContainerMemory);
}
// ConfirmDataFormatSetting raises a public event - could throw recoverable exception.
if (ConfirmDataFormatSetting(This.UiScope, dataObject, DataFormats.Rtf))
{
// Convert xaml to rtf text to set rtf data into data object.
string rtfText = ConvertXamlToRtf(xamlTextWithImages, wpfContainerMemory);
if (rtfText != String.Empty)
{
dataObject.SetData(DataFormats.Rtf, rtfText, true);
}
}
// Add a CF_BITMAP if we have only one image selected.
Image image = This.Selection.GetUIElementSelected() as Image;
if (image != null && image.Source is System.Windows.Media.Imaging.BitmapSource)
{
dataObject.SetImage((System.Windows.Media.Imaging.BitmapSource)image.Source);
}
}
// Xaml format is availabe both in Full Trust and in Partial Trust
// Need to re-serialize xaml to avoid image references within a container:
StringWriter stringWriter = new StringWriter(CultureInfo.InvariantCulture);
XmlTextWriter xmlWriter = new XmlTextWriter(stringWriter);
TextRangeSerialization.WriteXaml(xmlWriter, This.Selection, /*useFlowDocumentAsRoot:*/ false, /*wpfPayload:*/ null);
string xamlText = stringWriter.ToString();
// Use WpfPayload.SaveRangeAsXaml method to produce correct image.Source properties.
if (xamlText.Length > 0)
{
// ConfirmDataFormatSetting rasies a public event - could throw recoverable exception.
if (ConfirmDataFormatSetting(This.UiScope, dataObject, DataFormats.Xaml))
{
// Place Xaml data onto the dataobject using safe setter
dataObject.SetData(DataFormats.Xaml, xamlText, false);
}
}
}
// Notify application about our data object preparation completion
DataObjectCopyingEventArgs dataObjectCopyingEventArgs = new DataObjectCopyingEventArgs(dataObject, /*isDragDrop:*/ isDragDrop);
This.UiScope.RaiseEvent(dataObjectCopyingEventArgs);
if (dataObjectCopyingEventArgs.CommandCancelled)
{
dataObject = null;
}
return(dataObject);
}
private void OnCopy(object sender, ExecutedRoutedEventArgs e)
{
if (HasSelection && _selectionRect.Width > 0 && _selectionRect.Height > 0)
{
//Copy to clipboard
IDataObject dataObject;
string textString = GetText();
object bmp = null;
bool supportImageCopy = false;
if (_scope is DocumentGrid && ((DocumentGrid)_scope).DocumentViewerOwner is DocumentApplicationDocumentViewer)
{
// This is XPSViewer, make sure it is user initiated
if (!e.UserInitiated && !HasRubberBandCopyPermissions())
{
return;
}
supportImageCopy = true;
}
else
{
//Outside of XPSViewer, support image copy in full trust only
supportImageCopy = HasRubberBandCopyPermissions();
}
if (supportImageCopy)
{
bmp = SystemDrawingHelper.GetBitmapFromBitmapSource(GetImage());
}
(new UIPermission(UIPermissionClipboard.AllClipboard)).Assert();//BlessedAssert
try
{
dataObject = new DataObject();
// Order of data is irrelevant, the pasting application will determine format
dataObject.SetData(DataFormats.Text, textString, true);
dataObject.SetData(DataFormats.UnicodeText, textString, true);
if (bmp != null)
{
dataObject.SetData(DataFormats.Bitmap, bmp, true);
}
}
finally
{
UIPermission.RevertAssert();
}
PermissionSet ps = new PermissionSet(PermissionState.None);
ps.AddPermission(new SecurityPermission(SecurityPermissionFlag.SerializationFormatter));
ps.AddPermission(new UIPermission(UIPermissionClipboard.AllClipboard));
ps.AddPermission(new SecurityPermission(SecurityPermissionFlag.UnmanagedCode));
if (supportImageCopy)
{
CodeAccessPermission mediaAccessPermission = SecurityHelper.CreateMediaAccessPermission(null);
ps.AddPermission(mediaAccessPermission);
}
ps.Assert(); // BlessedAssert
try
{
Clipboard.SetDataObject(dataObject, true);
}
catch (System.Runtime.InteropServices.ExternalException)
{
// Clipboard is failed to set the data object.
return;
}
finally
{
SecurityPermission.RevertAssert();
}
}
}
internal static DataObject _CreateDataObject(TextEditor This, bool isDragDrop)
{
DataObject dataObject;
// Create the data object for drag and drop.
//
(new UIPermission(UIPermissionClipboard.AllClipboard)).Assert();//BlessedAssert
try
{
dataObject = new DataObject();
}
finally
{
UIPermission.RevertAssert();
}
// Get plain text and copy it into the data object.
string textString = This.Selection.Text;
if (textString != String.Empty)
{
// Copy plain text into data object.
// ConfirmDataFormatSetting rasies a public event - could throw recoverable exception.
if (ConfirmDataFormatSetting(This.UiScope, dataObject, DataFormats.Text))
{
CriticalSetDataWrapper(dataObject, DataFormats.Text, textString);
}
// Copy unicode text into data object.
// ConfirmDataFormatSetting rasies a public event - could throw recoverable exception.
if (ConfirmDataFormatSetting(This.UiScope, dataObject, DataFormats.UnicodeText))
{
CriticalSetDataWrapper(dataObject, DataFormats.UnicodeText, textString);
}
}
// Get the rtf and xaml text and then copy it into the data object after confirm data format.
// We do this only if our content is rich
if (This.AcceptsRichContent)
{
// This ensures that in the confines of partial trust RTF is not enabled.
// We use unmanaged code permission over clipboard permission since
// the latter is available in intranet zone and this is something that will
// fail in intranet too.
if (SecurityHelper.CheckUnmanagedCodePermission())
{
// In FullTrust we allow all rich formats on the clipboard
Stream wpfContainerMemory = null;
// null wpfContainerMemory on entry means that container is optional
// and will be not created when there is no images in the range.
// Create in-memory wpf package, and serialize the content of selection into it
string xamlTextWithImages = WpfPayload.SaveRange(This.Selection, ref wpfContainerMemory, /*useFlowDocumentAsRoot:*/ false);
if (xamlTextWithImages.Length > 0)
{
// ConfirmDataFormatSetting raises a public event - could throw recoverable exception.
if (wpfContainerMemory != null && ConfirmDataFormatSetting(This.UiScope, dataObject, DataFormats.XamlPackage))
{
dataObject.SetData(DataFormats.XamlPackage, wpfContainerMemory);
}
// ConfirmDataFormatSetting raises a public event - could throw recoverable exception.
if (ConfirmDataFormatSetting(This.UiScope, dataObject, DataFormats.Rtf))
{
// Convert xaml to rtf text to set rtf data into data object.
string rtfText = ConvertXamlToRtf(xamlTextWithImages, wpfContainerMemory);
if (rtfText != String.Empty)
{
dataObject.SetData(DataFormats.Rtf, rtfText, true);
}
}
}
// Add a CF_BITMAP if we have only one image selected.
Image image = This.Selection.GetUIElementSelected() as Image;
if (image != null && image.Source is System.Windows.Media.Imaging.BitmapSource)
{
dataObject.SetImage((System.Windows.Media.Imaging.BitmapSource)image.Source);
}
}
// Xaml format is availabe both in Full Trust and in Partial Trust
// Need to re-serialize xaml to avoid image references within a container:
StringWriter stringWriter = new StringWriter(CultureInfo.InvariantCulture);
XmlTextWriter xmlWriter = new XmlTextWriter(stringWriter);
TextRangeSerialization.WriteXaml(xmlWriter, This.Selection, /*useFlowDocumentAsRoot:*/ false, /*wpfPayload:*/ null);
string xamlText = stringWriter.ToString();
//
if (xamlText.Length > 0)
{
// ConfirmDataFormatSetting rasies a public event - could throw recoverable exception.
if (ConfirmDataFormatSetting(This.UiScope, dataObject, DataFormats.Xaml))
{
// Place Xaml data onto the dataobject using safe setter
CriticalSetDataWrapper(dataObject, DataFormats.Xaml, xamlText);
// The dataobject itself must hold an information about permission set
// of the source appdomain. Set it there:
// Package permission set for the current appdomain
PermissionSet psCurrentAppDomain = SecurityHelper.ExtractAppDomainPermissionSetMinusSiteOfOrigin();
string permissionSetCurrentAppDomain = psCurrentAppDomain.ToString();
CriticalSetDataWrapper(dataObject, DataFormats.ApplicationTrust, permissionSetCurrentAppDomain);
}
}
}
// Notify application about our data object preparation completion
DataObjectCopyingEventArgs dataObjectCopyingEventArgs = new DataObjectCopyingEventArgs(dataObject, /*isDragDrop:*/ isDragDrop);
This.UiScope.RaiseEvent(dataObjectCopyingEventArgs);
if (dataObjectCopyingEventArgs.CommandCancelled)
{
dataObject = null;
}
return(dataObject);
}
/// <summary>
/// Kopiuje pojedynczą komórkę do schowka.
/// </summary>
public void CopyCellContentToClipboard()
{
DataGridCellInfo cellInfo;
DataGridColumn currentColumn = null;
object currentItem = null;
string format = DataFormats.UnicodeText;
if (this.CurrentCell != null)
{
cellInfo = this.CurrentCell;
}
else if (this.SelectedCells.Count > 0)
{
cellInfo = this.SelectedCells[0];
}
currentColumn = cellInfo.Column;
if (currentColumn == null)
{
if (this.CurrentCell != null && this.CurrentCell.Column != null)
{
currentColumn = this.CurrentCell.Column;
}
else if (this.SelectedCells.Count > 0)
{
currentColumn = this.SelectedCells[0].Column;
}
}
if (currentColumn == null)
{
return;
}
if (cellInfo.Item != null)
{
currentItem = cellInfo.Item;
}
else if (this.CurrentItem != null)
{
currentItem = this.CurrentItem;
}
else if (this.SelectedCells.Count > 0 && this.SelectedCells[0].Item != null)
{
currentItem = this.SelectedCells[0].Item;
}
if (currentItem == null)
{
return;
}
var value = currentColumn.OnCopyingCellClipboardContent(currentItem);
if (value == null || value == DBNull.Value)
{
value = "";
}
StringBuilder sb = new StringBuilder();
DataGridBoldClipboardHelper.FormatPlainText(value, sb, format);
DataObject dataObject;
bool hasPerms = SecurityHelper.CallerHasAllClipboardPermission() && SecurityHelper.CallerHasSerializationPermission();
// Copy unconditionally in full trust.
// Only copy in partial trust if user initiated.
if (hasPerms)
{
(new UIPermission(UIPermissionClipboard.AllClipboard)).Assert();
try
{
dataObject = new DataObject();
}
finally
{
UIPermission.RevertAssert();
}
dataObject.SetData(format, sb.ToString(), false /*autoConvert*/);
// This assert is there for an OLE Callback to register CSV type for the clipboard
(new SecurityPermission(SecurityPermissionFlag.SerializationFormatter | SecurityPermissionFlag.UnmanagedCode)).Assert();
try
{
if (dataObject != null)
{
Clipboard.SetDataObject(dataObject, true /* Copy */);
}
}
finally
{
SecurityPermission.RevertAll();
}
}
}
private void OnExecutedCopyInternal(ExecutedRoutedEventArgs args)
{
if (ClipboardCopyMode == DataGridClipboardCopyMode.None)
{
throw new NotSupportedException("Cannot perform copy if ClipboardCopyMode is None.");
}
args.Handled = true;
// Supported default formats: Html, Text, UnicodeText and CSV
Collection <string> formats = new Collection <string>(new string[] { DataFormats.Html, DataFormats.Text, DataFormats.UnicodeText, DataFormats.CommaSeparatedValue });
Dictionary <string, StringBuilder> dataGridStringBuilders = new Dictionary <string, StringBuilder>(formats.Count);
foreach (string format in formats)
{
dataGridStringBuilders[format] = new StringBuilder();
}
int minRowIndex;
int maxRowIndex;
int minColumnDisplayIndex;
int maxColumnDisplayIndex;
// Get the bounding box of the selected cells
if (this.GetSelectionRange(out minColumnDisplayIndex, out maxColumnDisplayIndex, out minRowIndex, out maxRowIndex))
{
// Add column headers if enabled
if (ClipboardCopyMode == DataGridClipboardCopyMode.IncludeHeader)
{
DataGridRowClipboardEventArgs preparingRowClipboardContentEventArgs = new DataGridRowClipboardEventArgs(null, minColumnDisplayIndex, maxColumnDisplayIndex, true /*IsColumnHeadersRow*/);
OnCopyingRowClipboardContent(preparingRowClipboardContentEventArgs);
foreach (string format in formats)
{
dataGridStringBuilders[format].Append(preparingRowClipboardContentEventArgs.FormatClipboardCellValues(format));
}
}
// Add each selected row
for (int i = minRowIndex; i <= maxRowIndex; i++)
{
object row = Items[i];
// Row has a selecion
if (this.SelectedCellsIntersects(i))
{
DataGridRowClipboardEventArgs preparingRowClipboardContentEventArgs = (DataGridRowClipboardEventArgs)CONSTRUCTORINFO_DATAGRIDROWCLIPBOARDEVENTARGS.Invoke(
new object[] { row, minColumnDisplayIndex, maxColumnDisplayIndex, false /*IsColumnHeadersRow*/, i });
OnCopyingRowClipboardContent(preparingRowClipboardContentEventArgs);
foreach (string format in formats)
{
dataGridStringBuilders[format].Append(preparingRowClipboardContentEventArgs.FormatClipboardCellValues(format));
}
}
}
}
DataGridBoldClipboardHelper.GetClipboardContentForHtml(dataGridStringBuilders[DataFormats.Html]);
DataObject dataObject;
bool hasPerms = SecurityHelper.CallerHasAllClipboardPermission() && SecurityHelper.CallerHasSerializationPermission();
// Copy unconditionally in full trust.
// Only copy in partial trust if user initiated.
if (hasPerms || args.GetUserInitiated())
{
(new UIPermission(UIPermissionClipboard.AllClipboard)).Assert();
try
{
dataObject = new DataObject();
}
finally
{
UIPermission.RevertAssert();
}
foreach (string format in formats)
{
if (dataGridStringBuilders[format] != null)
{
dataObject.SetData(format, dataGridStringBuilders[format].ToString(), false /*autoConvert*/);
}
}
// This assert is there for an OLE Callback to register CSV type for the clipboard
(new SecurityPermission(SecurityPermissionFlag.SerializationFormatter | SecurityPermissionFlag.UnmanagedCode)).Assert();
try
{
if (dataObject != null)
{
Clipboard.SetDataObject(dataObject, true /* Copy */);
}
}
finally
{
SecurityPermission.RevertAll();
}
}
}
