protected override Size ArrangeOverride(Size finalSize)
{
UIElement first = this.NonCollapsedChildren.FirstOrDefault();
if (first != null)
{
switch (this.ArrangeMode)
{
case ArrangeMode.Nomal:
this.ArrangeCore();
break;
case ArrangeMode.Lazy:
this._buffer.ReSet(null);
break;
case ArrangeMode.LazyOneTime:
if (this._isMeasureArrangedFirstFlag)
{
this.ArrangeCore();
}
else
{
this._buffer.ReSet(null);
}
break;
}
}
//处理特殊项
if (!this._isAnchoredItemInit &&
this.AnchoredItem != null)
{
this._isAnchoredItemInit = true;
this.AddVisualChild(this.AnchoredItem);
}
if (this.AnchoredItem != null)
{
this.AnchoredItem.Measure(this._eachSize);
this.AnchoredItem.Arrange(new Rect(new Point((this._columns - 1) * this._eachSize.Width, (this._rows - 1) * this._eachSize.Height), this._eachSize));
}
//线条
if (this.ShowGridLines &&
this._controlLinesRenderer == null)
{
_controlLinesRenderer = new ControlLinesRenderer(this);
this.AddVisualChild(_controlLinesRenderer);
}
if (this.ShowGridLines)
{
_controlLinesRenderer.UpdateRenderBounds(finalSize, this._rows, this._columns, this._currentPageCount);
}
return(finalSize);
}
protected override Size ArrangeOverride(Size arrangeSize)
{
var size = base.ArrangeOverride(arrangeSize);
if (this.ShowGridLines &&
this._controlLinesRenderer == null)
{
_controlLinesRenderer = new ControlLinesRenderer(this);
this.AddVisualChild(_controlLinesRenderer);
}
if (this.ShowGridLines)
{
_controlLinesRenderer.UpdateRenderBounds(arrangeSize, this.Rows, this.Columns);
}
return(size);
}
