int IPersistFileFormat.Load([CanBeNull] string pszFilename, uint grfMode, int fReadOnly)
{
// A valid file name is required.
if ((pszFilename == null) && ((fileName == null) || (fileName.Length == 0)))
{
throw new ArgumentNullException(@"pszFilename");
}
loading = true;
var hr = VSConstants.S_OK;
try
{
// If the new file name is null, then this operation is a reload
var isReload = false;
if (pszFilename == null)
{
isReload = true;
}
// Show the wait cursor while loading the file
VsUIShell.SetWaitCursor();
// Set the new file name
if (!isReload)
{
// Unsubscribe from the notification of the changes in the previous file.
fileName = pszFilename;
}
// Load the file
LoadFile(fileName);
isDirty = false;
// Notify the load or reload
NotifyDocChanged();
}
finally
{
loading = false;
}
return(hr);
}
int IVsPersistDocData.SaveDocData(VSSAVEFLAGS dwSave, [CanBeNull] out string pbstrMkDocumentNew, out int pfSaveCanceled)
{
pbstrMkDocumentNew = null;
pfSaveCanceled = 0;
int hr;
switch (dwSave)
{
case VSSAVEFLAGS.VSSAVE_Save:
case VSSAVEFLAGS.VSSAVE_SilentSave:
{
var queryEditQuerySave = (IVsQueryEditQuerySave2)GetService(typeof(SVsQueryEditQuerySave));
// Call QueryEditQuerySave
uint result;
hr = queryEditQuerySave.QuerySaveFile(fileName, // filename
0, // flags
null, // file attributes
out result); // result
if (ErrorHandler.Failed(hr))
{
return(hr);
}
// Process according to result from QuerySave
switch ((tagVSQuerySaveResult)result)
{
case tagVSQuerySaveResult.QSR_NoSave_Cancel:
// Note that this is also case tagVSQuerySaveResult.QSR_NoSave_UserCanceled because these
// two tags have the same value.
pfSaveCanceled = ~0;
break;
case tagVSQuerySaveResult.QSR_SaveOK:
// Call the shell to do the save for us
hr = VsUIShell.SaveDocDataToFile(dwSave, this, fileName, out pbstrMkDocumentNew, out pfSaveCanceled);
if (ErrorHandler.Failed(hr))
{
return(hr);
}
break;
case tagVSQuerySaveResult.QSR_ForceSaveAs:
// Call the shell to do the SaveAS for us
hr = VsUIShell.SaveDocDataToFile(VSSAVEFLAGS.VSSAVE_SaveAs, this, fileName, out pbstrMkDocumentNew, out pfSaveCanceled);
if (ErrorHandler.Failed(hr))
{
return(hr);
}
break;
case tagVSQuerySaveResult.QSR_NoSave_Continue:
// In this case there is nothing to do.
break;
default:
throw new COMException();
}
break;
}
case VSSAVEFLAGS.VSSAVE_SaveAs:
case VSSAVEFLAGS.VSSAVE_SaveCopyAs:
{
// Make sure the file name as the right extension
if (string.Compare(FileExtensionUsed, Path.GetExtension(fileName), true, CultureInfo.CurrentCulture) != 0)
{
fileName += FileExtensionUsed;
}
// Call the shell to do the save for us
hr = VsUIShell.SaveDocDataToFile(dwSave, this, fileName, out pbstrMkDocumentNew, out pfSaveCanceled);
if (ErrorHandler.Failed(hr))
{
return(hr);
}
break;
}
default:
throw new ArgumentException();
}
return(VSConstants.S_OK);
}