エクスプローラ制御

exp_.cpp

#include <Windows.h>
#include <Shlwapi.h>
#include <Shlobj.h>
#include <Shobjidl.h>
#include <Propkey.h>
#include <comdef.h>
_COM_SMARTPTR_TYPEDEF(IFolderView, __uuidof(IFolderView));
_COM_SMARTPTR_TYPEDEF(IFolderView2, __uuidof(IFolderView2));
_COM_SMARTPTR_TYPEDEF(IShellWindows, __uuidof(IShellWindows));
int CALLBACK WinMain(
	_In_  HINSTANCE hInstance,
	_In_  HINSTANCE hPrevInstance,
	_In_  LPSTR lpCmdLine,
	_In_  int nCmdShow
	)
{
	try {
		HRESULT hr = CoInitialize(NULL);
		IShellWindowsPtr pShellWindows;
		hr = CoCreateInstance(CLSID_ShellWindows, NULL, CLSCTX_ALL, IID_PPV_ARGS(&pShellWindows));
		LPITEMIDLIST piidlDesktop;
		hr = SHGetSpecialFolderLocation(NULL, CSIDL_DESKTOP, &piidlDesktop);
		SHOpenFolderAndSelectItems(piidlDesktop, 0, NULL, 0);
		MessageBoxA(0,"","Explorer起動待ち", MB_OK);
		VARIANT varRoot;
		HWND hwnd;
		IDispatchPtr pDispatch;
		UINT size = ILGetSize(piidlDesktop);
		BYTE *byt = (BYTE*) CoTaskMemAlloc(size);
		RtlMoveMemory(byt, piidlDesktop, size);
		_variant_t var = byt;
		VariantInit(&varRoot);
		hr = pShellWindows->FindWindowSW(&var, &varRoot, SWC_BROWSER, (LONG *) &hwnd, SWFO_NEEDDISPATCH, &pDispatch);
		CoTaskMemFree(byt);
		CoTaskMemFree(piidlDesktop);
		IFolderViewPtr pFolderView = NULL;
		hr = IUnknown_QueryService(pDispatch, IID_IFolderView, IID_PPV_ARGS(&pFolderView));
		IFolderView2Ptr pView;
		pFolderView->QueryInterface(IID_PPV_ARGS(&pView));
		REFPROPERTYKEY key = { 0 };
		BOOL fAscending;
		hr = pView->SetGroupBy(key, fAscending);
		if (S_OK == hr)
			MessageBoxA(0, "", "Sort", MB_OK);
		
	}
	catch (_com_error& e) {
		MessageBoxA(0, "", (LPCSTR) e.ErrorMessage(), MB_OK);
	}
	CoUninitialize();
	return 0;
}