private void DisplayDgml(XElement dgml)
{
var filePath = Path.Combine(Path.GetTempPath(), "Syntax.dgml");
uint docItemId;
IVsUIHierarchy docUIHierarchy;
IVsWindowFrame docWindowFrame;
// Check whether the file is already open in the 'design' view.
// If the file is already open in the desired view then we will update the
// contents of the file on disk with the new directed syntax graph and load
// this new graph into the already open view of the file.
if (VsShellUtilities.IsDocumentOpen(
DTE2ServiceProvider, filePath, GuidList.GuidVsDesignerViewKind,
out docUIHierarchy, out docItemId, out docWindowFrame) && docWindowFrame != null)
{
IVsHierarchy docHierarchy;
uint docCookie;
IntPtr docDataIUnknownPointer;
if (RunningDocumentTable.FindAndLockDocument((uint)_VSRDTFLAGS.RDT_NoLock, filePath,
out docHierarchy, out docItemId,
out docDataIUnknownPointer,
out docCookie) == VSConstants.S_OK &&
docDataIUnknownPointer != null)
{
IntPtr persistDocDataServicePointer;
var persistDocDataServiceGuid = typeof(IVsPersistDocData).GUID;
if (Marshal.QueryInterface(docDataIUnknownPointer, ref persistDocDataServiceGuid,
out persistDocDataServicePointer) == 0 &&
persistDocDataServicePointer != null)
{
try
{
IVsPersistDocData persistDocDataService =
(IVsPersistDocData)Marshal.GetObjectForIUnknown(persistDocDataServicePointer);
if (persistDocDataService != null)
{
const int TRUE = -1, FALSE = 0;
// The below call ensures that there are no pop-ups from Visual Studio
// prompting the user to reload the file each time it is changed.
FileChangeService.IgnoreFile(0, filePath, TRUE);
// Update the file on disk with the new directed syntax graph.
dgml.Save(filePath);
// The below calls ensure that the file is refreshed inside Visual Studio
// so that the latest contents are displayed to the user.
FileChangeService.SyncFile(filePath);
persistDocDataService.ReloadDocData((uint)_VSRELOADDOCDATA.RDD_IgnoreNextFileChange);
// Re-enable pop-ups from Visual Studio prompting the user to reload the file
// in case the file is ever changed by some other process.
FileChangeService.IgnoreFile(0, filePath, FALSE);
// Make sure the directed syntax graph window is visible but don't give it focus.
docWindowFrame.ShowNoActivate();
}
}
finally
{
Marshal.Release(persistDocDataServicePointer);
}
}
}
}
else
{
// File is not open in the 'design' view. But it may be open in the 'xml' view.
// If the file is open in any other view than 'design' view then we will close it
// so that there are no pop-ups from Visual Studio about the file already being open.
if (VsShellUtilities.IsDocumentOpen(
DTE2ServiceProvider, filePath, Guid.Empty,
out docUIHierarchy, out docItemId, out docWindowFrame) && docWindowFrame != null)
{
docWindowFrame.CloseFrame((uint)__FRAMECLOSE.FRAMECLOSE_NoSave);
}
// Update the file on disk with the new directed syntax graph.
dgml.Save(filePath);
// Open the new directed syntax graph in the 'design' view.
VsShellUtilities.OpenDocument(
DTE2ServiceProvider, filePath, GuidList.GuidVsDesignerViewKind,
out docUIHierarchy, out docItemId, out docWindowFrame);
}
}
private void DisplayDgml(XElement dgml)
{
uint cookie;
const int TRUE = -1;
if (string.IsNullOrWhiteSpace(dgmlFilePath))
{
var folderPath = Path.Combine(Path.GetTempPath(),
"Syntax-" + System.Diagnostics.Process.GetCurrentProcess().Id.ToString());
Directory.CreateDirectory(folderPath);
dgmlFilePath = Path.Combine(folderPath, "Syntax.dgml");
}
// Check whether the file is already open in the 'design' view.
// If the file is already open in the desired view then we will update the
// contents of the file on disk with the new directed syntax graph and load
// this new graph into the already open view of the file.
if (VsShellUtilities.IsDocumentOpen(
#pragma warning disable VSTHRD010 // Invoke single-threaded types on Main thread
ServiceProvider.GlobalProvider, dgmlFilePath, GuidList.GuidVsDesignerViewKind,
#pragma warning restore VSTHRD010 // Invoke single-threaded types on Main thread
out var docUIHierarchy, out var docItemId, out var docWindowFrame) && docWindowFrame != null)
{
#pragma warning disable VSTHRD010 // Invoke single-threaded types on Main thread
if (RunningDocumentTable.FindAndLockDocument((uint)_VSRDTFLAGS.RDT_NoLock, dgmlFilePath,
#pragma warning restore VSTHRD010 // Invoke single-threaded types on Main thread
out var docHierarchy, out docItemId,
out var docDataIUnknownPointer,
out cookie) == VSConstants.S_OK)
{
var persistDocDataServiceGuid = typeof(IVsPersistDocData).GUID;
if (Marshal.QueryInterface(docDataIUnknownPointer, ref persistDocDataServiceGuid,
out var persistDocDataServicePointer) == 0)
{
try
{
var persistDocDataService =
#pragma warning disable VSTHRD010 // Invoke single-threaded types on Main thread
(IVsPersistDocData)Marshal.GetObjectForIUnknown(persistDocDataServicePointer);
#pragma warning restore VSTHRD010 // Invoke single-threaded types on Main thread
if (persistDocDataService != null)
{
// The below call ensures that there are no pop-ups from Visual Studio
// prompting the user to reload the file each time it is changed.
#pragma warning disable VSTHRD010 // Invoke single-threaded types on Main thread
FileChangeService.IgnoreFile(0, dgmlFilePath, TRUE);
#pragma warning restore VSTHRD010 // Invoke single-threaded types on Main thread
// Update the file on disk with the new directed syntax graph.
dgml.Save(dgmlFilePath);
// The below calls ensure that the file is refreshed inside Visual Studio
// so that the latest contents are displayed to the user.
#pragma warning disable VSTHRD010 // Invoke single-threaded types on Main thread
FileChangeService.SyncFile(dgmlFilePath);
persistDocDataService.ReloadDocData((uint)_VSRELOADDOCDATA.RDD_IgnoreNextFileChange);
#pragma warning restore VSTHRD010 // Invoke single-threaded types on Main thread
// Make sure the directed syntax graph window is visible but don't give it focus.
#pragma warning disable VSTHRD010 // Invoke single-threaded types on Main thread
docWindowFrame.ShowNoActivate();
#pragma warning restore VSTHRD010 // Invoke single-threaded types on Main thread
}
}
finally
{
Marshal.Release(persistDocDataServicePointer);
}
}
}
}
private void DisplayDgml(XElement dgml)
{
uint docItemId, cookie;
IVsUIHierarchy docUIHierarchy;
IVsWindowFrame docWindowFrame;
IVsHierarchy docHierarchy;
IntPtr docDataIUnknownPointer;
const int TRUE = -1;
if (string.IsNullOrWhiteSpace(dgmlFilePath))
{
var folderPath = Path.Combine(Path.GetTempPath(),
"Syntax-" + System.Diagnostics.Process.GetCurrentProcess().Id.ToString());
Directory.CreateDirectory(folderPath);
dgmlFilePath = Path.Combine(folderPath, "Syntax.dgml");
}
// Check whether the file is already open in the 'design' view.
// If the file is already open in the desired view then we will update the
// contents of the file on disk with the new directed syntax graph and load
// this new graph into the already open view of the file.
if (VsShellUtilities.IsDocumentOpen(
ServiceProvider.GlobalProvider, dgmlFilePath, GuidList.GuidVsDesignerViewKind,
out docUIHierarchy, out docItemId, out docWindowFrame) && docWindowFrame != null)
{
if (RunningDocumentTable.FindAndLockDocument((uint)_VSRDTFLAGS.RDT_NoLock, dgmlFilePath,
out docHierarchy, out docItemId,
out docDataIUnknownPointer,
out cookie) == VSConstants.S_OK)
{
IntPtr persistDocDataServicePointer;
var persistDocDataServiceGuid = typeof(IVsPersistDocData).GUID;
if (Marshal.QueryInterface(docDataIUnknownPointer, ref persistDocDataServiceGuid,
out persistDocDataServicePointer) == 0)
{
try
{
IVsPersistDocData persistDocDataService =
(IVsPersistDocData)Marshal.GetObjectForIUnknown(persistDocDataServicePointer);
if (persistDocDataService != null)
{
// The below call ensures that there are no pop-ups from Visual Studio
// prompting the user to reload the file each time it is changed.
FileChangeService.IgnoreFile(0, dgmlFilePath, TRUE);
// Update the file on disk with the new directed syntax graph.
dgml.Save(dgmlFilePath);
// The below calls ensure that the file is refreshed inside Visual Studio
// so that the latest contents are displayed to the user.
FileChangeService.SyncFile(dgmlFilePath);
persistDocDataService.ReloadDocData((uint)_VSRELOADDOCDATA.RDD_IgnoreNextFileChange);
// Make sure the directed syntax graph window is visible but don't give it focus.
docWindowFrame.ShowNoActivate();
}
}
finally
{
Marshal.Release(persistDocDataServicePointer);
}
}
}
}
else
{
// Update the file on disk with the new directed syntax graph.
dgml.Save(dgmlFilePath);
// Open the new directed syntax graph in the 'design' view.
VsShellUtilities.OpenDocument(
ServiceProvider.GlobalProvider, dgmlFilePath, GuidList.GuidVsDesignerViewKind,
out docUIHierarchy, out docItemId, out docWindowFrame);
// Register event handler to ensure that directed syntax graph file is deleted when the solution is closed.
// This ensures that the file won't be persisted in the .suo file and that it therefore won't get re-opened
// when the solution is re-opened.
SolutionService.AdviseSolutionEvents(this, out cookie);
}
}
