private bool ProcessSelection(IntPtr handle, bool preferSelection)
{
IntPtr shelldll_defview = InteropUtil.GetDlgItem(handle,
InteropUtil.ID_FileList);
IntPtr listview = InteropUtil.GetDlgItem(shelldll_defview, 1);
IntPtr focus = InteropUtil.GetFocus();
if (listview == focus || preferSelection)
{
return(AddSelectedItemsFromSelection(listview));
}
else
{
//check the content of the file combobox
IntPtr hFileName = InteropUtil.GetDlgItem(handle,
InteropUtil.ID_FileNameCombo);
string currentText = (InteropUtil.GetWindowTextW(hFileName) ?? "").Trim();
if (!String.IsNullOrEmpty(currentText))
{
try
{
if (System.IO.Path.IsPathRooted(currentText))
{
if (Directory.Exists(currentText) || File.Exists(currentText))
{
//the contents of the text box are a rooted path, that points to an existing directory.
//we interpret that to mean that the user wants to select that directory.
_selected.Add(currentText);
return(true);
}
}
else if (!String.IsNullOrEmpty(m_currentFolder))
{
string combined = System.IO.Path.Combine(m_currentFolder,
currentText);
if (Directory.Exists(combined) || File.Exists(combined))
{
//the contents of the text box are a relative path, that points to a
//an existing directory. We interpret the users intent to mean that they wanted
//to select the existing path.
_selected.Add(combined);
return(true);
}
}
}
catch (Exception)
{
//try to add the selection
if (AddSelectedItemsFromSelection(listview))
{
return(true);
}
}
}
//forward all wrong inputs to the standard mechanism
return(false);
}
}