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hoge.cpp

#include <Exdisp.h>
#import <shdocvw.dll>
#import <mshtml.tlb>

#define URL L"https://www.google.co.jp/?gws_rd=ssl"

HRESULT test()
{
	HRESULT hr = S_OK;
	try{

		SHDocVw::IShellWindowsPtr psw;
		hr = psw.CreateInstance(__uuidof(SHDocVw::ShellWindows));
		if (FAILED(hr)) _com_issue_error(hr);
		
		_variant_t  varLoc(_bstr_t(URL));
		_variant_t VarRoot;
		long h = 0;
		IDispatchPtr pDisp = psw->FindWindowSW(&varLoc, &VarRoot, SWC_BROWSER, &h, SWFO_NEEDDISPATCH);
		
		SHDocVw::IWebBrowser2Ptr pBrowser(pDisp);
		MSHTML::IHTMLDocument2Ptr pDoc(pBrowser->Document);

		MSHTML::IHTMLElementCollectionPtr pCol( pDoc->forms );
		MSHTML::IHTMLFormElementPtr pForm( pCol->item( _variant_t( L"f" ) ) );


		MSHTML::IHTMLInputElementPtr pInput( pForm->item( _variant_t( L"q") ) );
		pInput->value = L"hoge";
		pForm->submit();

	}
	catch (_com_error& e) {
		hr = e.Error();
	}
	return hr;

}



int CALLBACK WinMain(
  _In_  HINSTANCE hInstance,
  _In_  HINSTANCE hPrevInstance,
  _In_  LPSTR lpCmdLine,
  _In_  int nCmdShow
)
{
	CoInitialize(NULL);
	test();
	CoUninitialize();
	return 0;
}