private float GetExpandDifference(int index)
{
PageViewItemSizeInfo viewItemSizeInfo = this.layoutInfo.items[index];
float num = viewItemSizeInfo.layoutLength - viewItemSizeInfo.currentLength;
viewItemSizeInfo.SetLayoutSize(viewItemSizeInfo.currentSize);
return(num);
}
private void ExpandItem(PageViewItemSizeInfo item, int expand)
{
SizeF newSize = !this.layoutInfo.vertical ? new SizeF(item.currentSize.Width + (float)expand, item.layoutSize.Height) : new SizeF(item.layoutSize.Width, item.currentSize.Height + (float)expand);
item.SetCurrentSize(newSize);
item.SetLayoutSize(newSize);
this.shrinkInfo.shrinkAmount -= (float)expand;
}
private void CollapseItem(PageViewItemSizeInfo item, int collapse)
{
int num = Math.Min((int)Math.Max(0.0f, item.layoutLength - item.minLength), collapse);
SizeF newSize = !this.layoutInfo.vertical ? new SizeF(item.layoutSize.Width - (float)num, item.layoutSize.Height) : new SizeF(item.layoutSize.Width, item.layoutSize.Height - (float)num);
item.SetLayoutSize(newSize);
this.shrinkInfo.shrinkAmount -= (float)collapse;
}
private float GetExpandDifference(int index)
{
PageViewItemSizeInfo item = this.layoutInfo.items[index];
float differ = item.layoutLength - item.currentLength;
Debug.Assert(differ >= 0, "Invalid expand algorithm");
item.SetLayoutSize(item.currentSize);
return(differ);
}
private void ExpandItem(PageViewItemSizeInfo item, int expand)
{
SizeF expandSize;
if (this.layoutInfo.vertical)
{
expandSize = new SizeF(item.layoutSize.Width, item.currentSize.Height + expand);
}
else
{
expandSize = new SizeF(item.currentSize.Width + expand, item.layoutSize.Height);
}
item.SetCurrentSize(expandSize);
item.SetLayoutSize(expandSize);
this.shrinkInfo.shrinkAmount -= expand;
}
private void CollapseItem(PageViewItemSizeInfo item, int collapse)
{
float layoutLength = item.layoutLength;
float minLength = item.minLength;
int maxCollapse = (int)Math.Max(0, layoutLength - minLength);
maxCollapse = Math.Min(maxCollapse, collapse);
SizeF forcedSize;
if (this.layoutInfo.vertical)
{
forcedSize = new SizeF(item.layoutSize.Width, item.layoutSize.Height - maxCollapse);
}
else
{
forcedSize = new SizeF(item.layoutSize.Width - maxCollapse, item.layoutSize.Height);
}
item.SetLayoutSize(forcedSize);
this.shrinkInfo.shrinkAmount -= collapse;
}