public void Remove(ref DispLeafLink pDispHead, ref DispLeafLink pLeafHead)
{
// Remove from the displacement.
Prev[LIST_DISP].Next[LIST_DISP] = Next[LIST_DISP];
Next[LIST_DISP].Prev[LIST_DISP] = Prev[LIST_DISP];
if (this == pDispHead)
{
if (Next[LIST_DISP] == this)
pDispHead = null;
else
pDispHead = Next[LIST_DISP];
}
// Remove from the leaf.
Prev[LIST_LEAF].Next[LIST_LEAF] = Next[LIST_LEAF];
Next[LIST_LEAF].Prev[LIST_LEAF] = Prev[LIST_LEAF];
if (this == pLeafHead)
{
if (Next[LIST_LEAF] == this)
pLeafHead = null;
else
pLeafHead = Next[LIST_LEAF];
}
}
const int LIST_LEAF = 0; // the list that's chained into leaves.
#endregion Fields
#region Methods
public void Add(object pDispInfo, ref DispLeafLink pDispHead, object pLeaf, ref DispLeafLink pLeafHead)
{
// Store off pointers.
m_pDispInfo = pDispInfo;
m_pLeaf = pLeaf;
// Link into the displacement's list of leaves.
if (pDispHead != null)
{
Prev[LIST_DISP] = pDispHead;
Next[LIST_DISP] = pDispHead.Next[LIST_DISP];
}
else
{
pDispHead = Prev[LIST_DISP] = Next[LIST_DISP] = this;
}
Prev[LIST_DISP].Next[LIST_DISP] = Next[LIST_DISP].Prev[LIST_DISP] = this;
// Link into the leaf's list of displacements.
if (pLeafHead != null)
{
Prev[LIST_LEAF] = pLeafHead;
Next[LIST_LEAF] = pLeafHead.Next[LIST_LEAF];
}
else
{
pLeafHead = Prev[LIST_LEAF] = Next[LIST_LEAF] = this;
}
Prev[LIST_LEAF].Next[LIST_LEAF] = Next[LIST_LEAF].Prev[LIST_LEAF] = this;
}