public bool dizAddField(int fid, string fieldname, string fielddata = "")
{
try
{
if (fielddata == "")
{
return(Luna.dizAddField(fid, fieldname, (IntPtr)0));
}
IntPtr ptr = MallocIntptr(fielddata);
ptr = ptr + 4;//将内存指针位置加 4 以兼容易语言内存操作模式
return(Luna.dizAddField(fid, fieldname, ptr));
}
catch
{
return(false);
}
}