/// -----------------------------------------------------------------------------------
/// <summary>
/// Sets the selection by calling <c>IVwRootBox.MakeRangeSelection</c>.
/// </summary>
/// <param name="rootSite">The root site</param>
/// <param name="fInstall">Makes the selection the current selection</param>
/// <param name="fMakeVisible">Determines whether or not to make the selection visible.
/// </param>
/// <param name="scrollOption">Where to scroll the selection</param>
/// <returns>The selection, null if it could not return a valid one.</returns>
/// -----------------------------------------------------------------------------------
public virtual IVwSelection SetSelection(IVwRootSite rootSite, bool fInstall,
bool fMakeVisible, VwScrollSelOpts scrollOption)
{
if (rootSite == null || rootSite.RootBox == null)
return null;
m_rootSite = rootSite;
try
{
IVwSelection sel = MakeRangeSelection(rootSite.RootBox, fInstall);
if (sel == null)
return null;
if (fInstall && !sel.IsValid)
{
// We rarely expect to have an invalid selection after we install a new selection,
// but it's possible for selection side-effects to have invalidated it
// (e.g. highlighting a row in a browse view cf. LT-5033.)
sel = MakeRangeSelection(rootSite, fInstall);
}
if (sel.IsValid)
m_vwSel = sel;
else
m_vwSel = null;
if (fMakeVisible && m_vwSel != null)
rootSite.ScrollSelectionIntoView(m_vwSel, scrollOption);
return m_vwSel;
}
catch (COMException)
{
return null;
}
catch(Exception)
{
Debug.Assert(false, "Exceptional condition encountered while making selection.");
// ReSharper disable HeuristicUnreachableCode
return null; //Um, asserts don't happen in release you overzealous Heuristic.
// ReSharper restore HeuristicUnreachableCode
}
}
/// -----------------------------------------------------------------------------------
/// <summary>
/// Sets the selection by calling <c>IVwRootBox.MakeRangeSelection</c>.
/// </summary>
/// <param name="rootSite">The root site</param>
/// <param name="fInstall">Makes the selection the current selection</param>
/// <param name="fMakeVisible">Determines whether or not to make the selection visible.
/// </param>
/// <param name="scrollOption">Where to scroll the selection</param>
/// <returns>The selection, null if it could not return a valid one.</returns>
/// -----------------------------------------------------------------------------------
public virtual IVwSelection SetSelection(IVwRootSite rootSite, bool fInstall,
bool fMakeVisible, VwScrollSelOpts scrollOption)
{
if (rootSite == null || rootSite.RootBox == null)
return null;
try
{
IVwSelection sel = MakeRangeSelection(rootSite.RootBox, fInstall);
if (fInstall && !sel.IsValid)
{
// We rarely expect to have an invalid selection after we install a new selection,
// but it's possible for selection side-effects to have invalidated it
// (e.g. highlighting a row in a browse view cf. LT-5033.)
sel = MakeRangeSelection(rootSite, fInstall);
}
if (sel.IsValid)
m_vwSel = sel;
else
m_vwSel = null;
if (fMakeVisible && m_vwSel != null)
rootSite.ScrollSelectionIntoView(m_vwSel, scrollOption);
return m_vwSel;
}
catch
{
return null;
}
}
