\nmissing marshaller problem<\/A>.\n<\/P>\n\nIContextMenu *pcm;\nHRESULT hr = psf->GetUIObjectOf(hwnd, 1, &pidl,\n IID_IContextMenu, NULL, &pcm);\n\/\/ fails with REGDB_E_IIDNOTREG\n<\/PRE>\n\nThe IContextMenu<\/CODE> interface does not have\na proxy\/stub factory (as of this writing).\nRecall that shell objects, as a rule, are apartment model.\nIf you create the object from a multi-threaded apartment,\nCOM needs to build a wrapper object which can marshal calls\nfrom off-thread back onto the original thread,\nin order to adhere to the threading rules for apartment-model objects.\n<\/P>\n\nAnd if the COM standard marshaler can’t find a proxy\/stub factory\nfor an interface,\nit returns the error\nREGDB_E_IIDNOTREG<\/CODE>.\n<\/P><\/p>\n","protected":false},"excerpt":{"rendered":"This is another manifestation of the missing marshaller problem. IContextMenu *pcm; HRESULT hr = psf->GetUIObjectOf(hwnd, 1, &pidl, IID_IContextMenu, NULL, &pcm); \/\/ fails with REGDB_E_IIDNOTREG The IContextMenu interface does not have a proxy\/stub factory (as of this writing). Recall that shell objects, as a rule, are apartment model. If you create the object from a multi-threaded […]<\/p>\n","protected":false},"author":1069,"featured_media":111744,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[25],"class_list":["post-19413","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-oldnewthing","tag-code"],"acf":[],"blog_post_summary":"
This is another manifestation of the missing marshaller problem. IContextMenu *pcm; HRESULT hr = psf->GetUIObjectOf(hwnd, 1, &pidl, IID_IContextMenu, NULL, &pcm); \/\/ fails with REGDB_E_IIDNOTREG The IContextMenu interface does not have a proxy\/stub factory (as of this writing). Recall that shell objects, as a rule, are apartment model. If you create the object from a multi-threaded […]<\/p>\n","_links":{"self":[{"href":"https:\/\/devblogs.microsoft.com\/oldnewthing\/wp-json\/wp\/v2\/posts\/19413","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/devblogs.microsoft.com\/oldnewthing\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/devblogs.microsoft.com\/oldnewthing\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/devblogs.microsoft.com\/oldnewthing\/wp-json\/wp\/v2\/users\/1069"}],"replies":[{"embeddable":true,"href":"https:\/\/devblogs.microsoft.com\/oldnewthing\/wp-json\/wp\/v2\/comments?post=19413"}],"version-history":[{"count":0,"href":"https:\/\/devblogs.microsoft.com\/oldnewthing\/wp-json\/wp\/v2\/posts\/19413\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/devblogs.microsoft.com\/oldnewthing\/wp-json\/wp\/v2\/media\/111744"}],"wp:attachment":[{"href":"https:\/\/devblogs.microsoft.com\/oldnewthing\/wp-json\/wp\/v2\/media?parent=19413"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/devblogs.microsoft.com\/oldnewthing\/wp-json\/wp\/v2\/categories?post=19413"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/devblogs.microsoft.com\/oldnewthing\/wp-json\/wp\/v2\/tags?post=19413"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}