internal int GetChildFragmentIndex(ToolStripItem.ToolStripItemAccessibleObject child)
{
if (_owningToolStrip is null || _owningToolStrip.Items is null)
{
return(-1);
}
if (child.Owner == _owningToolStrip.Grip)
{
return(0);
}
ToolStripItemCollection items;
ToolStripItemPlacement placement = child.Owner.Placement;
if (_owningToolStrip is ToolStripOverflow)
{
// Overflow items in ToolStripOverflow host are in DisplayedItems collection.
items = _owningToolStrip.DisplayedItems;
}
else
{
if (_owningToolStrip.CanOverflow && _owningToolStrip.OverflowButton.Visible && child.Owner == _owningToolStrip.OverflowButton)
{
return(GetChildFragmentCount() - 1);
}
// Items can be either in DisplayedItems or in OverflowItems (if overflow)
items = placement == ToolStripItemPlacement.Main || child.Owner is ToolStripScrollButton
? _owningToolStrip.DisplayedItems
: _owningToolStrip.OverflowItems;
}
// First we walk through the head aligned items.
for (int index = 0; index < items.Count; index++)
{
ToolStripItem item = items[index];
if (item.Available && item.Alignment == ToolStripItemAlignment.Left && child.Owner == items[index])
{
return(index);
}
}
// If we didn't find it, then we walk through the tail aligned items.
for (int index = 0; index < items.Count; index++)
{
ToolStripItem item = items[index];
if (item.Available && item.Alignment == ToolStripItemAlignment.Right && child.Owner == items[index])
{
return(index);
}
}
return(-1);
}
internal int GetChildIndex(ToolStripItem.ToolStripItemAccessibleObject child)
{
if ((_owningToolStrip is null) || (_owningToolStrip.Items is null))
{
return(-1);
}
int index = 0;
if (_owningToolStrip.Grip.Visible)
{
if (child.Owner == _owningToolStrip.Grip)
{
return(0);
}
index = 1;
}
if (_owningToolStrip.CanOverflow && _owningToolStrip.OverflowButton.Visible && child.Owner == _owningToolStrip.OverflowButton)
{
return(_owningToolStrip.Items.Count + index);
}
// First we walk through the head aligned items.
for (int i = 0; i < _owningToolStrip.Items.Count; ++i)
{
if (_owningToolStrip.Items[i].Available && _owningToolStrip.Items[i].Alignment == ToolStripItemAlignment.Left)
{
if (child.Owner == _owningToolStrip.Items[i])
{
return(index);
}
index++;
}
}
// If we didn't find it, then we walk through the tail aligned items.
for (int i = 0; i < _owningToolStrip.Items.Count; ++i)
{
if (_owningToolStrip.Items[i].Available && _owningToolStrip.Items[i].Alignment == ToolStripItemAlignment.Right)
{
if (child.Owner == _owningToolStrip.Items[i])
{
return(index);
}
index++;
}
}
return(-1);
}
internal int GetChildFragmentIndex(ToolStripItem.ToolStripItemAccessibleObject child)
{
if ((owner == null) || (owner.DropDownItems == null))
{
return(-1);
}
for (int i = 0; i < owner.DropDownItems.Count; i++)
{
if (owner.DropDownItems[i].Available && child.Owner == owner.DropDownItems[i])
{
return(i);
}
}
return(-1);
}
