protected override void DoLoadFromStream(Stream aStream, HCStyle aStyle, ushort aFileVersion)
{
base.DoLoadFromStream(aStream, aStyle, aFileVersion);
if (aFileVersion > 12)
{
int vFloatCount = 0;
byte[] vBuffer = BitConverter.GetBytes(vFloatCount);
aStream.Read(vBuffer, 0, vBuffer.Length);
vFloatCount = BitConverter.ToInt32(vBuffer, 0);
HCCustomFloatItem vFloatItem = null;
while (vFloatCount > 0)
{
int vStyleNo = HCStyle.Null;
vBuffer = BitConverter.GetBytes(vStyleNo);
aStream.Read(vBuffer, 0, vBuffer.Length);
vStyleNo = BitConverter.ToInt32(vBuffer, 0);
if ((aFileVersion < 28) && (vStyleNo == (byte)HCShapeStyle.hssLine))
{
vFloatItem = new HCFloatLineItem(this);
}
else
{
vFloatItem = CreateItemByStyle(vStyleNo) as HCCustomFloatItem;
}
vFloatItem.LoadFromStream(aStream, aStyle, aFileVersion);
FFloatItems.Add(vFloatItem);
vFloatCount--;
}
}
}
private HCCustomFloatItem CreateFloatItemByStyle(int aStyleNo)
{
HCCustomFloatItem Result = null;
if (aStyleNo == (byte)HCShapeStyle.hssLine)
{
Result = new HCFloatLineItem(this);
}
else
{
throw new Exception("未找到类型 " + aStyleNo.ToString() + " 对应的创建FloatItem代码！");
}
return(Result);
}
private HCFloatItem CreateFloatItemByStyle(int AStyleNo)
{
HCFloatItem Result = null;
if (AStyleNo == HCFloatStyle.Line)
{
Result = new HCFloatLineItem(this);
}
else
{
throw new Exception("未找到类型 " + AStyleNo.ToString() + " 对应的创建FloatItem代码！");
}
return(Result);
}
