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WPF support

See original GitHub issue

So far with .NET 7 I can list following issues

Output form ILC. CoClass usage should be replaced with ComWrappers

  ILC: Ignoring unresolved method [PresentationFramework]System.Windows.Documents.MsSpellCheckLib.RCW+SpellCheckerFactoryCoClass.CreateSpellChecker(string), because: Invalid IL or CLR metadata in 'ISpellChecker SpellCheckerFactoryCoClass.CreateSpellChecker(System.String)'
  ILC: Ignoring unresolved method [PresentationFramework]System.Windows.Documents.MsSpellCheckLib.RCW+SpellCheckerFactoryCoClass.IsSupported(string), because: Invalid IL or CLR metadata in 'Int32 SpellCheckerFactoryCoClass.IsSupported(System.String)'
  ILC: Ignoring unresolved method [PresentationFramework]System.Windows.Documents.MsSpellCheckLib.RCW+SpellCheckerFactoryCoClass.RegisterUserDictionary(string,string), because: Invalid IL or CLR metadata in 'Void SpellCheckerFactoryCoClass.RegisterUserDictionary(System.String, System.String)'
  ILC: Ignoring unresolved method [PresentationFramework]System.Windows.Documents.MsSpellCheckLib.RCW+SpellCheckerFactoryCoClass.UnregisterUserDictionary(string,string), because: Invalid IL or CLR metadata in 'Void SpellCheckerFactoryCoClass.UnregisterUserDictionary(System.String, System.String)'
  ILC: Ignoring unresolved method [PresentationFramework]System.Windows.Documents.MsSpellCheckLib.RCW+SpellCheckerFactoryCoClass.get_SupportedLanguages(), because: Invalid IL or CLR metadata in 'IEnumString SpellCheckerFactoryCoClass.get_SupportedLanguages()'
  ILC: Ignoring unresolved method [PresentationFramework]System.Windows.Documents.MsSpellCheckLib.RCW+SpellCheckerFactoryCoClass..ctor(), because: Invalid IL or CLR metadata in 'Void SpellCheckerFactoryCoClass..ctor()'
  ILC: Ignoring unresolved method [PresentationCore]MS.Internal.AppModel.CustomCredentialPolicy+InternetSecurityManager..ctor(), because: Invalid IL or CLR metadata in 'Void InternetSecurityManager..ctor()'
  ILC: Ignoring unresolved method [System.DirectoryServices]System.DirectoryServices.Interop.UnsafeNativeMethods+PropertyValue..ctor(), because: Invalid IL or CLR metadata in 'Void PropertyValue..ctor()'
  ILC: Ignoring unresolved method [System.DirectoryServices]System.DirectoryServices.Interop.UnsafeNativeMethods+PropertyEntry..ctor(), because: Invalid IL or CLR metadata in 'Void PropertyEntry..ctor()'
  ILC: Ignoring unresolved method [ReachFramework]System.Windows.Xps.Serialization.RCW.XpsOMThumbnailGeneratorClass.GenerateThumbnail(IXpsOMPage,XPS_IMAGE_TYPE,XPS_THUMBNAIL_SIZE,IOpcPartUri), because: Invalid IL or CLR metadata in 'System.Windows.Xps.Serialization.RCW.IXpsOMImageResource System.Windows.Xps.Serialization.RCW.XpsOMThumbnailGeneratorClass.GenerateThumbnail(System.Windows.Xps.Serialization.RCW.IXpsOMPage, System.Windows.Xps.Serialization.RCW.XPS_IMAGE_TYPE, System.Windows.Xps.Serialization.RCW.XPS_THUMBNAIL_SIZE, System.Windows.Xps.Serialization.RCW.IOpcPartUri)'
  ILC: Ignoring unresolved method [ReachFramework]System.Windows.Xps.Serialization.RCW.XpsOMThumbnailGeneratorClass..ctor(), because: Invalid IL or CLR metadata in 'Void System.Windows.Xps.Serialization.RCW.XpsOMThumbnailGeneratorClass..ctor()'
  ILC: Ignoring unresolved method [WindowsBase]MS.Internal.Security.AttachmentService+AttachmentServices..ctor(), because: Invalid IL or CLR metadata in 'Void AttachmentServices..ctor()'
  ILC: Ignoring unresolved method [DirectWriteForwarder]<Module>.qsort(void*,uint32,uint32,(*int32)(void*,void*)), because: Vararg call to 'Int32 <Module>._CrtDbgReportW(Int32, Char*, Int32, Char*, Char*)' not supported
  ILC: Ignoring unresolved method [DirectWriteForwarder]<Module>.qsort_s(void*,uint32,uint32,(*int32)(void*,void*,void*),void*), because: Vararg call to 'Int32 <Module>._CrtDbgReportW(Int32, Char*, Int32, Char*, Char*)' not supported
  ILC: Ignoring unresolved method [DirectWriteForwarder]<Module>.bsearch(void*,void*,uint32,uint32,(*int32)(void*,void*)), because: Vararg call to 'Int32 <Module>._CrtDbgReportW(Int32, Char*, Int32, Char*, Char*)' not supported
  ILC: Ignoring unresolved method [DirectWriteForwarder]<Module>.bsearch_s(void*,void*,uint32,uint32,(*int32)(void*,void*,void*),void*), because: Vararg call to 'Int32 <Module>._CrtDbgReportW(Int32, Char*, Int32, Char*, Char*)' not supported
  ILC: Ignoring unresolved method [DirectWriteForwarder]<Module>.std._Iterator_base12._Orphan_me_unlocked_v3(_Iterator_base12*), because: Vararg call to 'Int32 <Module>._CrtDbgReport(Int32, SByte*, Int32, SByte*, SByte*)' not supported
  ILC: Ignoring unresolved method [WinFormsComInterop]WinFormsComInterop.WinFormsComWrappers.ComputeVtables(object,CreateComInterfaceFlags,int32&), because: Failed to load type 'System.Windows.Forms.InternalAccessibleObject' from assembly 'System.Windows.Forms, Version=7.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089'
  ILC: Ignoring unresolved method [System.Printing]<Module>.std._Iterator_base12._Orphan_me_unlocked_v3(_Iterator_base12*), because: Vararg call to 'Int32 <Module>._CrtDbgReport(Int32, SByte*, Int32, SByte*, SByte*)' not supported
  ILC: Ignoring unresolved method [PresentationFramework]MS.Internal.AppModel.AppSecurityManager+InternetSecurityManager..ctor(), because: Invalid IL or CLR metadata in 'Void InternetSecurityManager..ctor()'

DirectWriteForwarder crash in main. That is blocker

0:000> kc
 # Call Site
00 WpfTestBed!HndWriteBarrierWorker
01 WpfTestBed!HndWriteBarrier
02 WpfTestBed!HndAssignHandle
03 WpfTestBed!GCHandleManager::StoreObjectInHandle
04 WpfTestBed!S_P_CoreLib_System_Runtime_InteropServices_GCHandle__set_Target
05 WpfTestBed!DirectWriteForwarder__Module___gcroot_System__String_____
06 WpfTestBed!DirectWriteForwarder__Module____CrtImplementationDetails__LanguageSupport_Initialize
07 WpfTestBed!DirectWriteForwarder__Module____cctor
08 WpfTestBed!S_P_CoreLib_Internal_Runtime_CompilerHelpers_StartupCodeHelpers__RunInitializers
09 WpfTestBed!S_P_CoreLib_Internal_Runtime_CompilerHelpers_StartupCodeHelpers__RunModuleInitializers
0a WpfTestBed!WpfTestBed__Module___StartupCodeMain
0b WpfTestBed!wmain
0c WpfTestBed!invoke_main
0d WpfTestBed!__scrt_common_main_seh
0e KERNEL32!BaseThreadInitThunk
0f ntdll!RtlUserThreadStart