/// <include file='doc\DataGridViewCellLinkedList.uex' path='docs/doc[@for="DataGridViewCellLinkedList.CellAt"]/*' />
public DataGridViewCell this[int index]
{
get
{
Debug.Assert(index >= 0);
Debug.Assert(index < this.count);
if (this.lastAccessedIndex == -1 || index < this.lastAccessedIndex)
{
DataGridViewCellLinkedListElement tmp = this.headElement;
int tmpIndex = index;
while (tmpIndex > 0)
{
tmp = tmp.Next;
tmpIndex--;
}
this.lastAccessedElement = tmp;
this.lastAccessedIndex = index;
return tmp.DataGridViewCell;
}
else
{
while (this.lastAccessedIndex < index)
{
this.lastAccessedElement = this.lastAccessedElement.Next;
this.lastAccessedIndex++;
}
return this.lastAccessedElement.DataGridViewCell;
}
}
}
public void Clear()
{
this.lastAccessedElement = null;
this.lastAccessedIndex = -1;
this.headElement = null;
this.count = 0;
}
public bool Remove(DataGridViewCell dataGridViewCell)
{
DataGridViewCellLinkedListElement element = null;
DataGridViewCellLinkedListElement headElement = this.headElement;
while (headElement != null)
{
if (headElement.DataGridViewCell == dataGridViewCell)
{
break;
}
element = headElement;
headElement = headElement.Next;
}
if (headElement.DataGridViewCell != dataGridViewCell)
{
return false;
}
DataGridViewCellLinkedListElement next = headElement.Next;
if (element == null)
{
this.headElement = next;
}
else
{
element.Next = next;
}
this.count--;
this.lastAccessedElement = null;
this.lastAccessedIndex = -1;
return true;
}
public void Add(DataGridViewCell dataGridViewCell)
{
DataGridViewCellLinkedListElement element = new DataGridViewCellLinkedListElement(dataGridViewCell);
if (this.headElement != null)
{
element.Next = this.headElement;
}
this.headElement = element;
this.count++;
this.lastAccessedElement = null;
this.lastAccessedIndex = -1;
}
bool IEnumerator.MoveNext()
{
if (this.reset)
{
this.current = this.headElement;
this.reset = false;
}
else
{
this.current = this.current.Next;
}
return (this.current != null);
}
public bool Contains(DataGridViewCell dataGridViewCell)
{
int num = 0;
DataGridViewCellLinkedListElement headElement = this.headElement;
while (headElement != null)
{
if (headElement.DataGridViewCell == dataGridViewCell)
{
this.lastAccessedElement = headElement;
this.lastAccessedIndex = num;
return true;
}
headElement = headElement.Next;
num++;
}
return false;
}
public bool Contains(DataGridViewCell dataGridViewCell)
{
Debug.Assert(dataGridViewCell != null);
int index = 0;
DataGridViewCellLinkedListElement tmp = headElement;
while (tmp != null)
{
if (tmp.DataGridViewCell == dataGridViewCell)
{
lastAccessedElement = tmp;
lastAccessedIndex = index;
return(true);
}
tmp = tmp.Next;
index++;
}
return(false);
}
public DataGridViewCell this[int index]
{
get
{
if ((this.lastAccessedIndex != -1) && (index >= this.lastAccessedIndex))
{
while (this.lastAccessedIndex < index)
{
this.lastAccessedElement = this.lastAccessedElement.Next;
this.lastAccessedIndex++;
}
return(this.lastAccessedElement.DataGridViewCell);
}
DataGridViewCellLinkedListElement headElement = this.headElement;
for (int i = index; i > 0; i--)
{
headElement = headElement.Next;
}
this.lastAccessedElement = headElement;
this.lastAccessedIndex = index;
return(headElement.DataGridViewCell);
}
}
public bool Remove(DataGridViewCell dataGridViewCell)
{
Debug.Assert(dataGridViewCell is not null);
DataGridViewCellLinkedListElement tmp1 = null, tmp2 = headElement;
while (tmp2 is not null)
{
if (tmp2.DataGridViewCell == dataGridViewCell)
{
break;
}
tmp1 = tmp2;
tmp2 = tmp2.Next;
}
if (tmp2.DataGridViewCell == dataGridViewCell)
{
DataGridViewCellLinkedListElement tmp3 = tmp2.Next;
if (tmp1 is null)
{
headElement = tmp3;
}
else
{
tmp1.Next = tmp3;
}
count--;
lastAccessedElement = null;
lastAccessedIndex = -1;
return(true);
}
return(false);
}
/// <include file='doc\DataGridViewCellLinkedList.uex' path='docs/doc[@for="DataGridViewCellLinkedListEnumerator.IEnumerator.Reset"]/*' />
void IEnumerator.Reset()
{
this.reset = true;
this.current = null;
}
public DataGridViewCellLinkedListEnumerator(DataGridViewCellLinkedListElement headElement)
{
this.headElement = headElement;
reset = true;
}
void IEnumerator.Reset()
{
reset = true;
current = null;
}
public int RemoveAllCellsAtBand(bool column, int bandIndex)
{
int num = 0;
DataGridViewCellLinkedListElement element = null;
DataGridViewCellLinkedListElement headElement = this.headElement;
while (headElement != null)
{
if ((column && (headElement.DataGridViewCell.ColumnIndex == bandIndex)) || (!column && (headElement.DataGridViewCell.RowIndex == bandIndex)))
{
DataGridViewCellLinkedListElement next = headElement.Next;
if (element == null)
{
this.headElement = next;
}
else
{
element.Next = next;
}
headElement = next;
this.count--;
this.lastAccessedElement = null;
this.lastAccessedIndex = -1;
num++;
}
else
{
element = headElement;
headElement = headElement.Next;
}
}
return num;
}
/// <include file='doc\DataGridViewCellLinkedList.uex' path='docs/doc[@for="DataGridViewCellLinkedList.Remove"]/*' />
public bool Remove(DataGridViewCell dataGridViewCell)
{
Debug.Assert(dataGridViewCell != null);
DataGridViewCellLinkedListElement tmp1 = null, tmp2 = this.headElement;
while (tmp2 != null)
{
if (tmp2.DataGridViewCell == dataGridViewCell)
{
break;
}
tmp1 = tmp2;
tmp2 = tmp2.Next;
}
if (tmp2.DataGridViewCell == dataGridViewCell)
{
DataGridViewCellLinkedListElement tmp3 = tmp2.Next;
if (tmp1 == null)
{
this.headElement = tmp3;
}
else
{
tmp1.Next = tmp3;
}
this.count--;
this.lastAccessedElement = null;
this.lastAccessedIndex = -1;
return true;
}
return false;
}
/// <include file='doc\DataGridViewCellLinkedList.uex' path='docs/doc[@for="DataGridViewCellLinkedListEnumerator.IEnumerator.MoveNext"]/*' />
bool IEnumerator.MoveNext()
{
if (this.reset)
{
Debug.Assert(this.current == null);
this.current = this.headElement;
this.reset = false;
}
else
{
Debug.Assert(this.current != null); // Since this is for internal use only.
this.current = this.current.Next;
}
return (this.current != null);
}
/* Unused for now
/// <include file='doc\DataGridViewCellLinkedList.uex' path='docs/doc[@for="DataGridViewCellLinkedList.RemoveHead"]/*' />
public DataGridViewCell RemoveHead()
{
if (this.headElement == null)
{
return null;
}
DataGridViewCellLinkedListElement tmp = this.headElement;
this.headElement = tmp.Next;
this.count--;
this.lastAccessedElement = null;
this.lastAccessedIndex = -1;
return tmp.DataGridViewCell;
}
*/
/// <include file='doc\DataGridViewCellLinkedList.uex' path='docs/doc[@for="DataGridViewCellLinkedList.RemoveAllCellsAtColumn"]/*' />
public int RemoveAllCellsAtBand(bool column, int bandIndex)
{
int removedCount = 0;
DataGridViewCellLinkedListElement tmp1 = null, tmp2 = this.headElement;
while (tmp2 != null)
{
if ((column && tmp2.DataGridViewCell.ColumnIndex == bandIndex) ||
(!column && tmp2.DataGridViewCell.RowIndex == bandIndex))
{
DataGridViewCellLinkedListElement tmp3 = tmp2.Next;
if (tmp1 == null)
{
this.headElement = tmp3;
}
else
{
tmp1.Next = tmp3;
}
tmp2 = tmp3;
this.count--;
this.lastAccessedElement = null;
this.lastAccessedIndex = -1;
removedCount++;
}
else
{
tmp1 = tmp2;
tmp2 = tmp2.Next;
}
}
return removedCount;
}
/// <include file='doc\DataGridViewCellLinkedList.uex' path='docs/doc[@for="DataGridViewCellLinkedList.Add"]/*' />
public void Add(DataGridViewCell dataGridViewCell)
{
Debug.Assert(dataGridViewCell != null);
Debug.Assert(dataGridViewCell.DataGridView.SelectionMode == DataGridViewSelectionMode.CellSelect ||
dataGridViewCell.DataGridView.SelectionMode == DataGridViewSelectionMode.ColumnHeaderSelect ||
dataGridViewCell.DataGridView.SelectionMode == DataGridViewSelectionMode.RowHeaderSelect);
DataGridViewCellLinkedListElement newHead = new DataGridViewCellLinkedListElement(dataGridViewCell);
if (this.headElement != null)
{
newHead.Next = this.headElement;
}
this.headElement = newHead;
this.count++;
this.lastAccessedElement = null;
this.lastAccessedIndex = -1;
}
public DataGridViewCell this[int index]
{
get
{
if ((this.lastAccessedIndex != -1) && (index >= this.lastAccessedIndex))
{
while (this.lastAccessedIndex < index)
{
this.lastAccessedElement = this.lastAccessedElement.Next;
this.lastAccessedIndex++;
}
return this.lastAccessedElement.DataGridViewCell;
}
DataGridViewCellLinkedListElement headElement = this.headElement;
for (int i = index; i > 0; i--)
{
headElement = headElement.Next;
}
this.lastAccessedElement = headElement;
this.lastAccessedIndex = index;
return headElement.DataGridViewCell;
}
}
public DataGridViewCellLinkedListEnumerator(DataGridViewCellLinkedListElement headElement)
{
this.headElement = headElement;
this.reset = true;
}
/// <include file='doc\DataGridViewCellLinkedList.uex' path='docs/doc[@for="DataGridViewCellLinkedList.Contains"]/*' />
public bool Contains(DataGridViewCell dataGridViewCell)
{
Debug.Assert(dataGridViewCell != null);
int index = 0;
DataGridViewCellLinkedListElement tmp = this.headElement;
while (tmp != null)
{
if (tmp.DataGridViewCell == dataGridViewCell)
{
this.lastAccessedElement = tmp;
this.lastAccessedIndex = index;
return true;
}
tmp = tmp.Next;
index++;
}
return false;
}
void IEnumerator.Reset()
{
this.reset = true;
this.current = null;
}
