delphi webbrowser 跨域访问

procedure IterateFrames(const AWB: IWebBrowser2);
var
Doc: IHTMLDocument2;
Container: IOleContainer;
Enumerator: ActiveX.IEnumUnknown;
Unknown: IUnknown;
Browser: IWebBrowser2;
Fetched: Longint;
NewDoc: IHTMLDocument2;
begin
if (Assigned(AWB.Document)) and (Supports(AWB.Document, IHTMLDocument2, Doc)) then
begin
// Recursive searching.
// ACHTUNG! We cannot use the document's frames collection here, because
// it does not work in every case (i.e. Documents from a foreign domain).
// From: support.microsoft.com/support/kb/articles/Q196/3/40.ASP
if (Supports(Doc, IOleContainer, Container)) and (Container.EnumObjects(OLECONTF_EMBEDDINGS, Enumerator) = S_OK) then
begin
while Enumerator.Next(1, Unknown, @Fetched) = S_OK do
if (Supports(Unknown, IWebBrowser2, Browser)) and (Supports(Browser.Document, IHTMLDocument2, NewDoc)) then
begin
//DoSomethingWithNewDoc;
IterateFrames(AWB);
end;
end;
end;
end;

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delphi webbrowser 跨域访问

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