Method OnPathButton

Src/OpenView.cpp:642–674

* @brief Called when "Browse..." button is selected for N path. */

 * @brief Called when "Browse..." button is selected for N path.
 */
void COpenView::OnPathButton(UINT nId)
{
	const int index = nId - IDC_PATH0_BUTTON;
	String s;
	String sfolder;
	UpdateData(TRUE); 

	paths::PATH_EXISTENCE existence = paths::DoesPathExist(m_strPath[index]);
	switch (existence)
	{
	case paths::IS_EXISTING_DIR:
		sfolder = m_strPath[index];
		break;
	case paths::IS_EXISTING_FILE:
		sfolder = paths::GetPathOnly(m_strPath[index]);
		break;
	case paths::DOES_NOT_EXIST:
		if (!m_strPath[index].empty())
			sfolder = paths::GetParentPath(m_strPath[index]);
		break;
	default:
		_RPTF0(_CRT_ERROR, "Invalid return value from paths::DoesPathExist()");
		break;
	}

	if (SelectFileOrFolder(GetSafeHwnd(), s, sfolder.c_str()))
	{
		m_strPath[index] = s;
		m_strBrowsePath[index] = std::move(s);
		UpdateData(FALSE);
		UpdateButtonStates();
	}	
}

void COpenView::OnSwapButton(int id1, int id2)
{