public int OnBeforeDocumentWindowShow(uint docCookie, int fFirstShow, IVsWindowFrame pFrame)
{
// Check if this document is in the list of the documents.
//
if (_documents.ContainsKey(docCookie))
return VSConstants.S_OK;
// Get the information about this document from the RDT.
//
IVsRunningDocumentTable rdt =
_provider.GetService(typeof (SVsRunningDocumentTable)) as IVsRunningDocumentTable;
if (null != rdt)
{
// Note that here we don't want to throw in case of error.
uint flags;
uint readLocks;
uint writeLoks;
string documentMoniker;
IVsHierarchy hierarchy;
uint itemId;
IntPtr unkDocData;
int hr = rdt.GetDocumentInfo(
docCookie,
out flags,
out readLocks,
out writeLoks,
out documentMoniker,
out hierarchy,
out itemId,
out unkDocData);
try
{
if (ErrorHandler.Failed(hr) || (IntPtr.Zero == unkDocData))
return VSConstants.S_OK;
// Check if the herarchy is one of the hierarchies this service is monitoring.
//
if (!_hierarchies.ContainsKey(hierarchy))
// This hierarchy is not monitored, we can exit now.
return VSConstants.S_OK;
// Check the extension of the file to see if a listener is required.
//
string extension = Path.GetExtension(documentMoniker);
if (string.Compare(extension, NemerleConstants.FileExtension, StringComparison.OrdinalIgnoreCase) != 0)
return VSConstants.S_OK;
// Create the module id for this document.
//
ModuleID docId = new ModuleID(hierarchy, itemId);
// Try to get the text buffer.
//
IVsTextLines buffer = Marshal.GetObjectForIUnknown(unkDocData) as IVsTextLines;
// Create the listener.
//
TextLineEventListener listener = new TextLineEventListener(buffer, documentMoniker, docId);
// Set the event handler for the change event. Note that there is no
// difference between the AddFile and FileChanged operation, so we
// can use the same handler.
//
listener.OnFileChanged += OnFileChanged;
// Add the listener to the dictionary, so we will not create it anymore.
//
_documents.Add(docCookie, listener);
}
finally
{
if (IntPtr.Zero != unkDocData)
Marshal.Release(unkDocData);
}
}
// Always return success.
//
return VSConstants.S_OK;
}
public int OnBeforeDocumentWindowShow(uint docCookie, int fFirstShow, IVsWindowFrame pFrame)
{
// Check if this document is in the list of the documents.
//
if (_documents.ContainsKey(docCookie))
{
return(VSConstants.S_OK);
}
// Get the information about this document from the RDT.
//
IVsRunningDocumentTable rdt =
_provider.GetService(typeof(SVsRunningDocumentTable)) as IVsRunningDocumentTable;
if (null != rdt)
{
// Note that here we don't want to throw in case of error.
uint flags;
uint readLocks;
uint writeLoks;
string documentMoniker;
IVsHierarchy hierarchy;
uint itemId;
IntPtr unkDocData;
int hr = rdt.GetDocumentInfo(
docCookie,
out flags,
out readLocks,
out writeLoks,
out documentMoniker,
out hierarchy,
out itemId,
out unkDocData);
try
{
if (ErrorHandler.Failed(hr) || (IntPtr.Zero == unkDocData))
{
return(VSConstants.S_OK);
}
// Check if the herarchy is one of the hierarchies this service is monitoring.
//
if (!_hierarchies.ContainsKey(hierarchy))
{
// This hierarchy is not monitored, we can exit now.
return(VSConstants.S_OK);
}
// Check the extension of the file to see if a listener is required.
//
string extension = Path.GetExtension(documentMoniker);
if (string.Compare(extension, NemerleConstants.FileExtension, StringComparison.OrdinalIgnoreCase) != 0)
{
return(VSConstants.S_OK);
}
// Create the module id for this document.
//
ModuleID docId = new ModuleID(hierarchy, itemId);
// Try to get the text buffer.
//
IVsTextLines buffer = Marshal.GetObjectForIUnknown(unkDocData) as IVsTextLines;
// Create the listener.
//
TextLineEventListener listener = new TextLineEventListener(buffer, documentMoniker, docId);
// Set the event handler for the change event. Note that there is no
// difference between the AddFile and FileChanged operation, so we
// can use the same handler.
//
listener.OnFileChanged += OnFileChanged;
// Add the listener to the dictionary, so we will not create it anymore.
//
_documents.Add(docCookie, listener);
}
finally
{
if (IntPtr.Zero != unkDocData)
{
Marshal.Release(unkDocData);
}
}
}
// Always return success.
//
return(VSConstants.S_OK);
}