public void ClearFirstMode()
{
if (FirstMode != null)
{
FirstMode.Clear();
}
FirstMode = null;
if (diffMode != null)
{
ClearDiffMode();
}
if (CurrentViewMode == ViewMode.ShowFirst)
{
history.Clear();
if (SecondMode != null)
{
CurrentViewMode = ViewMode.ShowSecond;
}
else
{
CurrentViewMode = ViewMode.ShowNone;
}
}
}
public void ClearAllOpenModes()
{
if (SecondMode != null)
{
SecondMode.Clear();
}
SecondMode = null;
if (FirstMode != null)
{
FirstMode.Clear();
}
FirstMode = null;
CurrentViewMode = ViewMode.ShowNone;
diffMode = null;
history.Clear();
}