#define		ENABLE_ALL_SHOT		(TRUE)		// 一時的に最大化した後キャプチャ...(TRUE:する/FALSE:しない)

void CMainDialogFx::SaveImage()
{
	BOOL bDwmEnabled = FALSE;

	static HMODULE hModule = LoadLibraryEx(L"dwmapi.dll", NULL, LOAD_LIBRARY_SEARCH_SYSTEM32);
	typedef HRESULT(WINAPI* FuncDwmGetWindowAttribute) (HWND hwnd, DWORD dwAttribute, PVOID pvAttribute, DWORD cbAttribute);
	typedef HRESULT(WINAPI* FuncDwmIsCompositionEnabled)(BOOL* pfEnabled);
	static FuncDwmGetWindowAttribute pDwmGetWindowAttribute = (FuncDwmGetWindowAttribute)GetProcAddress(hModule, "DwmGetWindowAttribute");
	static FuncDwmIsCompositionEnabled pDwmIsCompositionEnabled = (FuncDwmIsCompositionEnabled)GetProcAddress(hModule, "DwmIsCompositionEnabled");
	if (hModule && pDwmGetWindowAttribute && pDwmIsCompositionEnabled)
	{
		pDwmIsCompositionEnabled(&bDwmEnabled);
	}

	CRect rc1;
	CRect rc2;
	CRect rc3;

	CImage* image1 = new CImage();
	CImage* image2 = new CImage();
	CImage* image3 = new CImage();

#if(ENABLE_ALL_SHOT)
	CRect rcOrigin;

	GetWindowRect(&rcOrigin);
	SetWindowPos(NULL, 0, 0, m_MaxSizeX, m_MaxSizeY, SWP_NOZORDER | SWP_NOMOVE);
#endif

	if (bDwmEnabled)
	{
		GetWindowRect(&rc1);
		if (image1->Create(rc1.Width(), rc1.Height(), 32))
		{
			HDC hImage1DC = image1->GetDC();
			if (IsWin81orLater())
			{
				::PrintWindow(m_hWnd, hImage1DC, 2); // PW_RENDERFULLCONTENT, Windows 8.1 or later

				GetClientRect(&rc3);
				if (image3->Create(rc3.Width(), rc3.Height(), 32))
				{
					HDC hImage3DC = image3->GetDC();
					::PrintWindow(m_hWnd, hImage3DC, 1); // PW_CLIENTONLY
					int targetY = 0;
					int offsetX = (rc1.Width() - rc3.Width()) / 2;
					int offsetY = (rc1.Height() - rc3.Height()) / 2;

					// Compare Screenshot
					for (int y = offsetY; y < rc1.Height() - rc3.Height(); y++)
					{
						for (int x = 0; x < rc3.Width(); x++)
						{
							if (image1->GetPixel(offsetX + x, y) == image3->GetPixel(x, 0))
							{
								if (x == rc3.Width() / 2)
								{
									for (int yy = 0; yy < rc3.Height(); yy++)
									{
										if (image1->GetPixel(offsetX, y + yy) == image3->GetPixel(0, yy))
										{
											if (yy == rc3.Height() / 2)
											{
												targetY = y;
												goto loopEnd;
											}
										}
										else
										{
											break;
										}
									}
								}
							}
							else
							{
								break;
							}
						}
					}

				loopEnd:
					if (targetY > 0)
					{
						::BitBlt(hImage1DC, (rc1.Width() - rc3.Width()) / 2, targetY, rc3.Width(), rc3.Height(), hImage3DC, 0, 0, SRCCOPY);
					}
					image3->ReleaseDC();
				}
			}
			else
			{
				::PrintWindow(m_hWnd, hImage1DC, 0);
			}

			pDwmGetWindowAttribute(m_hWnd, DWMWA_EXTENDED_FRAME_BOUNDS, &rc2, sizeof(rc2));
			// cstr.Format(L"Width=%d/%d, Height=%d/%d", rc1.Width(), rc2.Width(), rc1.Height(), rc2.Height());
			// AfxMessageBox(cstr);
			if (rc1.Width() > rc2.Width())
			{
				if (image2->Create(rc2.Width(), rc2.Height(), 32))
				{
					HDC hImage2DC = image2->GetDC();
					::BitBlt(hImage2DC, 0, 0, rc2.Width(), rc2.Height(), hImage1DC, (rc1.Width() - rc2.Width()) / 2, 0, SRCCOPY);
					image2->ReleaseDC();
					SaveImageDlg(image2);
				}
				else
				{
					SaveImageDlg(image1);
				}
			}
			else
			{
				SaveImageDlg(image1);
			}
			image1->ReleaseDC();
		}
	}
	else
	{
		GetWindowRect(&rc1);
		if (image1->Create(rc1.Width(), rc1.Height(), 32))
		{
			HDC hImage1DC = image1->GetDC();
			::PrintWindow(m_hWnd, hImage1DC, 0);
			SaveImageDlg(image1);
			image1->ReleaseDC();
		}
	}
#if(ENABLE_ALL_SHOT)
	SetWindowPos(NULL, 0, 0, rcOrigin.Width(), rcOrigin.Height(), SWP_NOZORDER | SWP_NOMOVE);
#endif

	SAFE_DELETE(image1);
	SAFE_DELETE(image2);
	SAFE_DELETE(image3);
}