internal void Clear()
{
for (int i = 0; i < parents.Count; i++)
{
DataGridState dgs = parents[i] as DataGridState;
dgs.RemoveChangeNotification();
}
parents.Clear();
rowHeights.Clear();
totalHeight = 0;
SetParentCount(0);
}
internal DataGridState PopTop()
{
if (this.parentsCount < 1)
{
return(null);
}
this.SetParentCount(this.parentsCount - 1);
DataGridState state = (DataGridState)this.parents[this.parentsCount];
state.RemoveChangeNotification();
this.parents.RemoveAt(this.parentsCount);
return(state);
}
/// <include file='doc\DataGridParentRows.uex' path='docs/doc[@for="DataGridParentRows.PopTop"]/*' />
/// <devdoc>
/// Similar to GetTopParent() but also removes it.
/// </devdoc>
internal DataGridState PopTop()
{
if (parentsCount < 1)
{
return(null);
}
SetParentCount(parentsCount - 1);
DataGridState ret = (DataGridState)parents[parentsCount];
ret.RemoveChangeNotification();
parents.RemoveAt(parentsCount);
return(ret);
}