LayoutBlocks 对象 (ILayoutBlocks 接口)

FREngine.IFRDocument frDoc;
// 遍历版面中的块
for (int iPage = 0; iPage < frDoc.Pages.Count; iPage++)
{
 FREngine.IFRPage page = frDoc.Pages[iPage];
 FREngine.ILayout layout = page.Layout;
 int blocksCount = layout.Blocks.Count;
 for (int iBlock = 0; iBlock < blocksCount; iBlock++)
 {
  FREngine.IBlock block = layout.Blocks[iBlock];
  ...
 }
}