C#通过API实现跨进程得到浏览器对象

C# 源代码，通过API实现跨进程得到浏览器对象，然后就可以进行下一步操作。

1usingSystem;
2usingSystem.Runtime.InteropServices;
3usingmshtml;
4
5classWin32API{
6[DllImport("user32.dll",EntryPoint="FindWindow")]
7publicstaticexternIntPtrFindWindow(stringlpClassName,stringlpWindowName);
8[DllImport("user32.dll",EntryPoint="FindWindowEx")]
9publicstaticexternIntPtrFindWindowEx(IntPtrhwndParent,IntPtrhwndChildAfter,stringlpszClass,stringlpszWindow);
10[DllImport("user32.dll",SetLastError=true,CharSet=CharSet.Auto)]
11publicstaticexternuintRegisterWindowMessage(stringlpString);
12[DllImport("oleacc.dll",PreserveSig=false)]
13[return:MarshalAs(UnmanagedType.Interface)]
14publicstaticexternobjectObjectFromLresult(UIntPtrlResult,[MarshalAs(UnmanagedType.LPStruct)]Guidrefiid,IntPtrwParam);
15[DllImport("user32.dll",SetLastError=true,CharSet=CharSet.Auto)]
16publicstaticexternIntPtrSendMessageTimeout(IntPtrhWnd,uintMsg,UIntPtrwParam,IntPtrlParam,SendMessageTimeoutFlagsfuFlags,uintuTimeout,outUIntPtrlpdwResult);
17
18publicenumSendMessageTimeoutFlags:uint{
19SMTO_NORMAL=0x0000,
20SMTO_BLOCK=0x0001,
21SMTO_ABORTIFHUNG=0x0002,
22SMTO_NOTIMEOUTIFNOTHUNG=0x0008
23}
24}
25
26publicclassIEWindow{
27publicstaticHTMLDocumentClassGetIEWindowDocument(stringwindowName){
28UIntPtrlRes=newUIntPtr();
29IntPtrparentHWnd=Win32API.FindWindow("IEFrame",windowName);
30IntPtreditHWnd=Win32API.FindWindowEx(parentHWnd,IntPtr.Zero,"TabWindowClass",windowName);//需要查找的子窗口的类名，也就是输入框
31IntPtreditHWnd1=Win32API.FindWindowEx(editHWnd,IntPtr.Zero,"ShellDocObjectView","");//需要查找的子窗口的类名，也就是输入框
32IntPtreditHWnd2=Win32API.FindWindowEx(editHWnd1,IntPtr.Zero,"InternetExplorer_Server","");//需要查找的子窗口的类名，也就是输入框
33
34uintapp2_GenerateEvent=Win32API.RegisterWindowMessage("WM_HTML_GETOBJECT");
35Win32API.SendMessageTimeout(editHWnd2,app2_GenerateEvent,UIntPtr.Zero,IntPtr.Zero,Win32API.SendMessageTimeoutFlags.SMTO_NOTIMEOUTIFNOTHUNG,1000,outlRes);
36
37HTMLDocumentClassobj=(HTMLDocumentClass)Win32API.ObjectFromLresult(lRes,typeof(IHTMLDocument).GUID,IntPtr.Zero);
38returnobj;
39}
40}
41

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