internal static UnsafeNativeMethods.ITfCompositionView GetCurrentCompositionView(UnsafeNativeMethods.ITfDocumentMgr documentMgr)
{
UnsafeNativeMethods.ITfContext tfContext;
documentMgr.GetBase(out tfContext);
UnsafeNativeMethods.ITfCompositionView composition = FrameworkTextComposition.GetComposition(tfContext);
Marshal.ReleaseComObject(tfContext);
return(composition);
}
internal static UnsafeNativeMethods.ITfCompositionView GetCurrentCompositionView(UnsafeNativeMethods.ITfDocumentMgr documentMgr)
{
UnsafeNativeMethods.ITfContext context;
documentMgr.GetBase(out context);
UnsafeNativeMethods.ITfCompositionView view = GetComposition(context);
Marshal.ReleaseComObject(context);
return(view);
}
private static UnsafeNativeMethods.ITfCompositionView GetComposition(UnsafeNativeMethods.ITfContext context)
{
UnsafeNativeMethods.ITfCompositionView[] array = new UnsafeNativeMethods.ITfCompositionView[1];
UnsafeNativeMethods.ITfContextComposition tfContextComposition = (UnsafeNativeMethods.ITfContextComposition)context;
UnsafeNativeMethods.IEnumITfCompositionView enumITfCompositionView;
tfContextComposition.EnumCompositions(out enumITfCompositionView);
int num;
enumITfCompositionView.Next(1, array, out num);
Marshal.ReleaseComObject(enumITfCompositionView);
return(array[0]);
}
internal static void CompleteCurrentComposition(UnsafeNativeMethods.ITfDocumentMgr documentMgr)
{
UnsafeNativeMethods.ITfContext tfContext;
documentMgr.GetBase(out tfContext);
UnsafeNativeMethods.ITfCompositionView composition = FrameworkTextComposition.GetComposition(tfContext);
if (composition != null)
{
UnsafeNativeMethods.ITfContextOwnerCompositionServices tfContextOwnerCompositionServices = tfContext as UnsafeNativeMethods.ITfContextOwnerCompositionServices;
tfContextOwnerCompositionServices.TerminateComposition(composition);
Marshal.ReleaseComObject(composition);
}
Marshal.ReleaseComObject(tfContext);
}
//------------------------------------------------------
//
// Internal Events
//
//------------------------------------------------------
//------------------------------------------------------
//
// Private Methods
//
//------------------------------------------------------
/// <summary>
/// Get ITfContextView of the context.
/// </summary>
private static UnsafeNativeMethods.ITfCompositionView GetComposition(UnsafeNativeMethods.ITfContext context)
{
UnsafeNativeMethods.ITfContextComposition contextComposition;
UnsafeNativeMethods.IEnumITfCompositionView enumCompositionView;
UnsafeNativeMethods.ITfCompositionView[] compositionViews = new UnsafeNativeMethods.ITfCompositionView[1];
int fetched;
contextComposition = (UnsafeNativeMethods.ITfContextComposition)context;
contextComposition.EnumCompositions(out enumCompositionView);
enumCompositionView.Next(1, compositionViews, out fetched);
Marshal.ReleaseComObject(enumCompositionView);
return(compositionViews[0]);
}
public override void Complete()
{
// VerifyAccess();
UnsafeNativeMethods.ITfContext context = GetTransitoryContext();
UnsafeNativeMethods.ITfContextOwnerCompositionServices compositionService = context as UnsafeNativeMethods.ITfContextOwnerCompositionServices;
UnsafeNativeMethods.ITfCompositionView composition = GetComposition(context);
if (composition != null)
{
// Terminate composition if there is a composition view.
compositionService.TerminateComposition(composition);
Marshal.ReleaseComObject(composition);
}
Marshal.ReleaseComObject(context);
}
//------------------------------------------------------
//
// Internal Methods
//
//------------------------------------------------------
internal static void CompleteCurrentComposition(UnsafeNativeMethods.ITfDocumentMgr documentMgr)
{
UnsafeNativeMethods.ITfContext context;
documentMgr.GetBase(out context);
UnsafeNativeMethods.ITfCompositionView composition = GetComposition(context);
if (composition != null)
{
UnsafeNativeMethods.ITfContextOwnerCompositionServices compositionService = context as UnsafeNativeMethods.ITfContextOwnerCompositionServices;
// Terminate composition if there is a composition view.
compositionService.TerminateComposition(composition);
Marshal.ReleaseComObject(composition);
}
Marshal.ReleaseComObject(context);
}
private UnsafeNativeMethods.ITfCompositionView GetComposition(UnsafeNativeMethods.ITfContext context)
{
UnsafeNativeMethods.ITfContextComposition contextComposition;
UnsafeNativeMethods.IEnumITfCompositionView enumCompositionView;
UnsafeNativeMethods.ITfCompositionView[] compositionViews = new UnsafeNativeMethods.ITfCompositionView[1];
int fetched;
contextComposition = (UnsafeNativeMethods.ITfContextComposition)context;
contextComposition.EnumCompositions(out enumCompositionView);
enumCompositionView.Next(1, compositionViews, out fetched);
Marshal.ReleaseComObject(enumCompositionView);
return compositionViews[0];
}
public void OnEndComposition(UnsafeNativeMethods.ITfCompositionView view)
{
}
public void OnUpdateComposition(UnsafeNativeMethods.ITfCompositionView view, UnsafeNativeMethods.ITfRange rangeNew)
{
}
//------------------------------------------------------
//
// Public Methods - ITfContextOwnerCompositionSink
//
//------------------------------------------------------
#region ITfContextOwnerCompositionSink
public void OnStartComposition(UnsafeNativeMethods.ITfCompositionView view, out bool ok)
{
// Return true in ok to start the composition.
ok = true;
}
