public void CreateHtml()
{
Debug.Assert(this.document == null, "Must call CloseHtml before recreating.");
bool created = false;
try
{
// create the trident instance
this.document = (NativeMethods.IHTMLDocument2) new NativeMethods.HTMLDocument();
this.oleObject = (NativeMethods.IOleObject) this.document;
// hand it our NativeMethods.IOleClientSite implementation
this.oleObject.SetClientSite((NativeMethods.IOleClientSite) this);
created = true;
this.propertyNotifySinkCookie = new NativeMethods.ConnectionPointCookie(this.document, this, typeof(NativeMethods.IPropertyNotifySink), false);
this.oleObject.Advise((NativeMethods.IAdviseSink) this, out adviseSinkCookie);
Debug.Assert(adviseSinkCookie != 0);
this.commandTarget = (NativeMethods.IOleCommandTarget) this.document;
}
finally
{
if (created == false)
{
this.document = null;
this.oleObject = null;
this.commandTarget = null;
}
}
}
public void CloseHtml()
{
this.hostControl.Resize -= new EventHandler(this.HostControl_Resize);
try
{
if (this.propertyNotifySinkCookie != null)
{
this.propertyNotifySinkCookie.Disconnect();
this.propertyNotifySinkCookie = null;
}
if (this.document != null)
{
this.documentView = null;
this.document = null;
this.commandTarget = null;
this.activeObject = null;
if (adviseSinkCookie != 0)
{
this.oleObject.Unadvise(adviseSinkCookie);
this.adviseSinkCookie = 0;
}
this.oleObject.Close(NativeMethods.OLECLOSE_NOSAVE);
this.oleObject.SetClientSite(null);
this.oleObject = null;
}
}
catch (Exception exception)
{
Debug.Fail(exception.ToString());
}
}
/// <include file='doc\PropertyBrowserService.uex' path='docs/doc[@for="PropertyBrowserService.PbrsCommandTarget.NativeMethods.IOleCommandTarget.QueryStatus"]/*' />
/// <devdoc>
/// Delegate to the current user context command target for undo/redo commands,
/// otherwise call the default target.
/// </devdoc>
int NativeMethods.IOleCommandTarget.QueryStatus(ref Guid pguidCmdGroup,int cCmds, NativeMethods._tagOLECMD prgCmds,IntPtr pCmdText) {
if (pguidCmdGroup == ShellGuids.VSStandardCommandSet97) {
switch (prgCmds.cmdID) {
case VSStandardCommands.cmdidUndo:
if (pbrsSvc.GetPropertyBrowser().CanUndo) {
prgCmds.cmdf = (int)(NativeMethods.tagOLECMDF.OLECMDF_ENABLED | NativeMethods.tagOLECMDF.OLECMDF_SUPPORTED);
return NativeMethods.S_OK;
}
goto case VSStandardCommands.cmdidMultiLevelUndo;
case VSStandardCommands.cmdidMultiLevelUndo:
case VSStandardCommands.cmdidMultiLevelUndoList:
case VSStandardCommands.cmdidRedo:
case VSStandardCommands.cmdidMultiLevelRedo:
case VSStandardCommands.cmdidMultiLevelRedoList:
// get the current context and delegate to it
NativeMethods.IOleCommandTarget currentTarget = GetCurrentContextTarget();
if (currentTarget != null && currentTarget != this) {
int hr = currentTarget.QueryStatus(ref pguidCmdGroup, 1, prgCmds, pCmdText);
return hr;
}
break;
case VSStandardCommands.cmdidPaste:
if (pbrsSvc.GetPropertyBrowser().CanPaste) {
prgCmds.cmdf = (int)(NativeMethods.tagOLECMDF.OLECMDF_ENABLED | NativeMethods.tagOLECMDF.OLECMDF_SUPPORTED);
}
else {
prgCmds.cmdf = (int)(NativeMethods.tagOLECMDF.OLECMDF_SUPPORTED);
}
return NativeMethods.S_OK;
case VSStandardCommands.cmdidCut:
if (pbrsSvc.GetPropertyBrowser().CanCut) {
prgCmds.cmdf = (int)(NativeMethods.tagOLECMDF.OLECMDF_ENABLED | NativeMethods.tagOLECMDF.OLECMDF_SUPPORTED);
}
else {
prgCmds.cmdf = (int)(NativeMethods.tagOLECMDF.OLECMDF_SUPPORTED);
}
return NativeMethods.S_OK;
case VSStandardCommands.cmdidCopy:
if (pbrsSvc.GetPropertyBrowser().CanCopy) {
prgCmds.cmdf = (int)(NativeMethods.tagOLECMDF.OLECMDF_ENABLED | NativeMethods.tagOLECMDF.OLECMDF_SUPPORTED);
}
else {
prgCmds.cmdf = (int)(NativeMethods.tagOLECMDF.OLECMDF_SUPPORTED);
}
return NativeMethods.S_OK;
}
}
// just call down to the base.
Debug.Assert(baseCommandTarget != this, "we're calling ourselves and will recurse!");
return baseCommandTarget.QueryStatus(ref pguidCmdGroup, cCmds, prgCmds, pCmdText);
}
public int ShowUI(
int dwID,
UnsafeNativeMethods.IOleInPlaceActiveObject activeObject,
NativeMethods.IOleCommandTarget commandTarget,
UnsafeNativeMethods.IOleInPlaceFrame frame,
UnsafeNativeMethods.IOleInPlaceUIWindow doc)
{
// default means we don't have any UI, and control should show its UI
return(NativeMethods.SRESULTS.S_FALSE);
}
public void Dispose() {
if (vsMonitorSelection != null) {
vsMonitorSelection = null;
}
if (baseCommandTarget != null) {
baseCommandTarget = null;
}
}
/// <include file='doc\VsWindowPane.uex' path='docs/doc[@for="VsWindowPane.NativeMethods.IOleCommandTarget.Exec"]/*' />
/// <devdoc>
/// This is called by Visual Studio when the user has requested to execute a particular
/// command. There is no need to override this method. If you need access to menu
/// commands use IMenuCommandService.
/// </devdoc>
int NativeMethods.IOleCommandTarget.Exec(ref Guid guidGroup, int nCmdId, int nCmdExcept, Object[] vIn, int vOut)
{
NativeMethods.IOleCommandTarget tgt = (NativeMethods.IOleCommandTarget)GetService((typeof(NativeMethods.IOleCommandTarget)));
if (tgt != null)
{
return(tgt.Exec(ref guidGroup, nCmdId, nCmdExcept, vIn, vOut));
}
else
{
return(NativeMethods.OLECMDERR_E_NOTSUPPORTED);
}
}
/// <include file='doc\PropertyBrowserService.uex' path='docs/doc[@for="PropertyBrowserService.PbrsCommandTarget.NativeMethods.IOleCommandTarget.Exec"]/*' />
/// <devdoc>
/// Delegate to the current user context command target for undo/redo commands,
/// otherwise call the default target.
/// </devdoc>
int NativeMethods.IOleCommandTarget.Exec(ref Guid pguidCmdGroup, int nCmdID, int nCmdexecopt, Object[] pIn, int pOut) {
if (pguidCmdGroup == ShellGuids.VSStandardCommandSet97) {
switch (nCmdID) {
case VSStandardCommands.cmdidUndo:
if (pbrsSvc.GetPropertyBrowser().CanUndo) {
pbrsSvc.GetPropertyBrowser().Undo();
return NativeMethods.S_OK;
}
goto case VSStandardCommands.cmdidMultiLevelUndo;
case VSStandardCommands.cmdidMultiLevelUndo:
case VSStandardCommands.cmdidMultiLevelUndoList:
case VSStandardCommands.cmdidRedo:
case VSStandardCommands.cmdidMultiLevelRedo:
case VSStandardCommands.cmdidMultiLevelRedoList:
// delegate to the curent context target
NativeMethods.IOleCommandTarget currentTarget = GetCurrentContextTarget();
if (currentTarget != null && currentTarget != this) {
int hr = currentTarget.Exec(ref pguidCmdGroup, nCmdID, nCmdexecopt, pIn, pOut);
return hr;
}
break;
case VSStandardCommands.cmdidPaste:
if (pbrsSvc.GetPropertyBrowser().CanPaste) {
pbrsSvc.GetPropertyBrowser().Paste();
return NativeMethods.S_OK;
}
break;
case VSStandardCommands.cmdidCut:
if (pbrsSvc.GetPropertyBrowser().CanCut) {
pbrsSvc.GetPropertyBrowser().Cut();
return NativeMethods.S_OK;
}
break;
case VSStandardCommands.cmdidCopy:
if (pbrsSvc.GetPropertyBrowser().CanCopy) {
pbrsSvc.GetPropertyBrowser().Copy();
return NativeMethods.S_OK;
}
break;
}
}
// just call down to the base.
Debug.Assert(baseCommandTarget != this, "we're calling ourselves and will recurse!");
return baseCommandTarget.Exec(ref pguidCmdGroup, nCmdID, nCmdexecopt, pIn, pOut);
}
/// <include file='doc\VsWindowPane.uex' path='docs/doc[@for="VsWindowPane.NativeMethods.IOleCommandTarget.QueryStatus"]/*' />
/// <devdoc>
/// This is called by Visual Studio when it needs the status of our menu commands. There
/// is no need to override this method. If you need access to menu commands use
/// IMenuCommandService.
/// </devdoc>
int NativeMethods.IOleCommandTarget.QueryStatus(ref Guid guidGroup, int nCmdId, NativeMethods._tagOLECMD oleCmd, IntPtr oleText)
{
NativeMethods.IOleCommandTarget tgt = (NativeMethods.IOleCommandTarget)GetService((typeof(NativeMethods.IOleCommandTarget)));
if (tgt != null)
{
return(tgt.QueryStatus(ref guidGroup, nCmdId, oleCmd, oleText));
}
else
{
return(NativeMethods.OLECMDERR_E_NOTSUPPORTED);
}
}
private void DoNavigate(Uri source, ref object targetFrameName, ref object postData, ref object headers, bool ignoreEscaping = false)
{
base.VerifyAccess();
NativeMethods.IOleCommandTarget oleCommandTarget = (NativeMethods.IOleCommandTarget) this.AxIWebBrowser2;
object obj = false;
oleCommandTarget.Exec(null, 23, 0, new object[]
{
obj
}, 0);
this.LastNavigation = Guid.NewGuid();
if (source == null)
{
this.NavigatingToAboutBlank = true;
source = new Uri("about:blank");
}
else
{
this.CleanInternalState();
}
if (!source.IsAbsoluteUri)
{
throw new ArgumentException(SR.Get("AbsoluteUriOnly"), "source");
}
if (PackUriHelper.IsPackUri(source))
{
source = BaseUriHelper.ConvertPackUriToAbsoluteExternallyVisibleUri(source);
}
if (!string.IsNullOrEmpty((string)targetFrameName))
{
new WebPermission(PermissionState.Unrestricted).Demand();
}
else if (!this.NavigatingToAboutBlank)
{
SecurityHelper.DemandWebPermission(source);
}
object obj2 = null;
object obj3 = ignoreEscaping ? source.AbsoluteUri : BindUriHelper.UriToString(source);
try
{
this.AxIWebBrowser2.Navigate2(ref obj3, ref obj2, ref targetFrameName, ref postData, ref headers);
}
catch (COMException ex)
{
this.CleanInternalState();
if (ex.ErrorCode != -2147023673)
{
throw;
}
}
}
int NativeMethods.IDocHostUIHandler.ShowUI(int dwID, NativeMethods.IOleInPlaceActiveObject activeObject, NativeMethods.IOleCommandTarget commandTarget, NativeMethods.IOleInPlaceFrame frame, NativeMethods.IOleInPlaceUIWindow doc)
{
return(NativeMethods.S_OK);
}
private void DoNavigate(Uri source, ref object targetFrameName, ref object postData, ref object headers, bool ignoreEscaping = false)
{
VerifyAccess();
// TFS - Calling Navigate and NavigateToStream subsequently causes internal state
// of the WebBrowser control to become invalid. By cancelling outstanding navigations in the
// browser, we make sure not to get a NavigationCompleted2 event for the original request while
// we've already overwritten internal state (more specifically the NavigatingToAboutBlank and
// DocumentStream properties), therefore avoiding the Invariant.Assert over there to fail.
// Notice we're passing showCancelPage = false as the input parameter. This keeps the browser
// from navigating to res://ieframe.dll/navcancl.htm because of the cancellation (which would
// by itself cause navigation events to occur). See inetcore/ieframe/shdocvw/shvocx.cpp.
NativeMethods.IOleCommandTarget cmdTarget = (NativeMethods.IOleCommandTarget)AxIWebBrowser2;
object showCancelPage = false;
cmdTarget.Exec(
null /* default command group */,
(int)UnsafeNativeMethods.OLECMDID.OLECMDID_STOP,
(int)UnsafeNativeMethods.OLECMDEXECOPT.OLECMDEXECOPT_DODEFAULT,
new object[] { showCancelPage }, /* don't navigate to res://ieframe.dll/navcancl.htm */
0
);
// TFS - Launching a navigation from the Navigating event handler causes reentrancy.
// For more info, see WebBrowser.LastNavigation. Here we generate a new navigation identifier which
// is used to detect reentrant calls during handling of the Navigating event.
LastNavigation = Guid.NewGuid();
// When source set to null or navigating to stream/string, we navigate to "about:blank" internally.
if (source == null)
{
NavigatingToAboutBlank = true;
source = new Uri(AboutBlankUriString);
}
else
{
CleanInternalState();
}
if (!source.IsAbsoluteUri)
{
throw new ArgumentException(SR.Get(SRID.AbsoluteUriOnly), "source");
}
// Resolve Pack://siteoforigin.
if (PackUriHelper.IsPackUri(source))
{
source = BaseUriHelper.ConvertPackUriToAbsoluteExternallyVisibleUri(source);
}
// figure out why BrowserNavConstants.NewWindowsManaged does not work.
object flags = (object)null; // UnsafeNativeMethods.BrowserNavConstants.NewWindowsManaged;
// Fix for inability to navigate to a URI containing invalid UTF-8 sequences
// BindUriHelper.UriToString does use Uri.GetComponents with the UriFormat.SafeUnescaped flag passed in,
// causing invalid UTF-8 sequences to get dropped, resulting in a strictly speaking valid URI but for
// some websites this causes breakage. Therefore we allow ignoring this treatment by means of string-
// based overloads for the public Navigate methods, creating a Uri internally and using AbsoluteUri
// to get back the URI string to feed in to the WebOC in its original form. WinForms has a similar
// set of overloads to enable this scenario.
object sourceString = ignoreEscaping ? source.AbsoluteUri : BindUriHelper.UriToString(source);
try
{
AxIWebBrowser2.Navigate2(ref sourceString, ref flags, ref targetFrameName, ref postData, ref headers);
}
catch (COMException ce)
{
// Clear internal state if Navigation fails.
CleanInternalState();
// "the operation was canceled by the user" - navigation failed
// ignore this error, IE has already alerted the user.
if ((uint)unchecked (ce.ErrorCode) != (uint)unchecked (0x800704c7))
{
throw;
}
}
}
public virtual int ShowUI(int dwID, NativeMethods.IOleInPlaceActiveObject activeObject, NativeMethods.IOleCommandTarget commandTarget, NativeMethods.IOleInPlaceFrame frame, NativeMethods.IOleInPlaceUIWindow doc)
{
return(NativeMethods.S_OK);
}
public void CloseHtml()
{
this.hostControl.Resize -= new EventHandler(this.HostControl_Resize);
try
{
if (this.propertyNotifySinkCookie != null)
{
this.propertyNotifySinkCookie.Disconnect();
this.propertyNotifySinkCookie = null;
}
if (this.document != null)
{
this.documentView = null;
this.document = null;
this.commandTarget = null;
this.activeObject = null;
if (adviseSinkCookie != 0)
{
this.oleObject.Unadvise(adviseSinkCookie);
this.adviseSinkCookie = 0;
}
this.oleObject.Close(NativeMethods.OLECLOSE_NOSAVE);
this.oleObject.SetClientSite(null);
this.oleObject = null;
}
}
catch (Exception exception)
{
Debug.Fail(exception.ToString());
}
}
public PbrsCommandTarget(PropertyBrowserService pbrsSvc, NativeMethods.IOleCommandTarget baseTarget, IVsMonitorSelection pMonSel) {
this.vsMonitorSelection = pMonSel;
this.baseCommandTarget = baseTarget;
this.pbrsSvc = pbrsSvc;
}
public void CreateHtml()
{
Debug.Assert(this.document == null, "Must call CloseHtml before recreating.");
bool created = false;
try
{
// create the trident instance
this.document = (NativeMethods.IHTMLDocument2) new NativeMethods.HTMLDocument();
this.oleObject = (NativeMethods.IOleObject) this.document;
// hand it our NativeMethods.IOleClientSite implementation
this.oleObject.SetClientSite((NativeMethods.IOleClientSite)this);
created = true;
this.propertyNotifySinkCookie = new NativeMethods.ConnectionPointCookie(this.document, this, typeof(NativeMethods.IPropertyNotifySink), false);
this.oleObject.Advise((NativeMethods.IAdviseSink)this, out adviseSinkCookie);
Debug.Assert(adviseSinkCookie != 0);
this.commandTarget = (NativeMethods.IOleCommandTarget) this.document;
}
finally
{
if (created == false)
{
this.document = null;
this.oleObject = null;
this.commandTarget = null;
}
}
}
int UnsafeNativeMethods.IDocHostUIHandler.ShowUI(int dwID, UnsafeNativeMethods.IOleInPlaceActiveObject activeObject,
NativeMethods.IOleCommandTarget commandTarget, UnsafeNativeMethods.IOleInPlaceFrame frame,
UnsafeNativeMethods.IOleInPlaceUIWindow doc)
{
return(NativeMethods.E_NOTIMPL);
}
int NativeMethods.IDocHostUIHandler.ShowUI(int dwID, NativeMethods.IOleInPlaceActiveObject activeObject, NativeMethods.IOleCommandTarget commandTarget, NativeMethods.IOleInPlaceFrame frame, NativeMethods.IOleInPlaceUIWindow doc)
{
Debug.WriteLineIf(StyleBuilder.StyleBuilderSwitch.TraceVerbose, "CTridentSite: IDocHostUIHandler::ShowUI");
return(NativeMethods.S_OK);
}
