/// <include file='doc\StyleSheet.uex' path='docs/doc[@for="StyleSheet.SaveViewState"]/*' />
protected override Object SaveViewState()
{
Object baseState = base.SaveViewState();
int styleCount = _styles.Count;
Object[] stylesState = new Object[styleCount];
if (_saveAll)
{
for (int i = 0; i < styleCount; i++)
{
Style style = (Style)_styles.GetAt(i);
style.SetDirty();
stylesState[i] = ((IStateManager)style).SaveViewState();
}
}
else
{
bool anySaved = false;
for (int i = 0; i < styleCount; i++)
{
Style style = (Style)_styles.GetAt(i);
stylesState[i] = ((IStateManager)style).SaveViewState();
if (stylesState[i] != null)
{
anySaved = true;
}
}
if (!anySaved)
{
stylesState = null;
}
}
if (stylesState != null || baseState != null)
{
return(new Object[] { baseState, _saveAll, stylesState });
}
else
{
return(null);
}
}
