private void TestProp()
{
int i, iLen = 0;
AttrDataType pType;
byte[] b = null;
m_pv.GetPropertyCount(out i);
Debug.Assert(i == 0);
m_pv.SetProperty("foo", AttrDataType.DWORD, BitConverter.GetBytes(14), 4);
m_pv.GetPropertyByName("foo", out pType, b, ref iLen);
Debug.Assert(iLen == 4);
b = new byte[iLen];
m_pv.GetPropertyByName("foo", out pType, b, ref iLen);
Debug.Assert(BitConverter.ToInt32(b, 0) == 14);
int isb = 0;
b = null;
iLen = 0;
StringBuilder sb = null;
m_pv.GetPropertyByIndex(0, sb, ref isb, out pType, b, ref iLen);
Debug.Assert(isb == 4);
Debug.Assert(iLen == 4);
sb = new StringBuilder(isb);
b = new byte[iLen];
m_pv.GetPropertyByIndex(0, sb, ref isb, out pType, b, ref iLen);
Debug.Assert(BitConverter.ToInt32(b, 0) == 14);
Debug.Assert(sb.ToString() == "foo");
m_pv.Clear();
m_pv.GetPropertyCount(out i);
Debug.Assert(i == 0);
}
public WM_ATTR GetProperty(int index)
{
WMT_ATTR_DATATYPE type;
StringBuilder name;
object obj;
uint namelen = 0;
uint datalen = 0;
Logger.WriteLogMessage("Get property[" + index + "].");
_propertyVault.GetPropertyByIndex((uint)index, null, ref namelen, out type, IntPtr.Zero, ref datalen);
name = new StringBuilder((int)namelen);
switch (type)
{
case WMT_ATTR_DATATYPE.WMT_TYPE_BOOL:
case WMT_ATTR_DATATYPE.WMT_TYPE_DWORD:
obj = (uint)0;
break;
case WMT_ATTR_DATATYPE.WMT_TYPE_GUID:
obj = Guid.NewGuid();
break;
case WMT_ATTR_DATATYPE.WMT_TYPE_QWORD:
obj = (ulong)0;
break;
case WMT_ATTR_DATATYPE.WMT_TYPE_WORD:
obj = (ushort)0;
break;
case WMT_ATTR_DATATYPE.WMT_TYPE_STRING:
case WMT_ATTR_DATATYPE.WMT_TYPE_BINARY:
obj = new byte[datalen];
break;
default:
throw new InvalidOperationException(String.Format("Not supported data type: {0}.", type.ToString()));
}
GCHandle h = GCHandle.Alloc(obj, GCHandleType.Pinned);
try
{
IntPtr ptr = h.AddrOfPinnedObject();
_propertyVault.GetPropertyByIndex((uint)index, name, ref namelen, out type, ptr, ref datalen);
switch (type)
{
case WMT_ATTR_DATATYPE.WMT_TYPE_STRING:
obj = Marshal.PtrToStringUni(ptr);
break;
case WMT_ATTR_DATATYPE.WMT_TYPE_BOOL:
obj = ((uint)obj != 0);
break;
}
}
finally
{
h.Free();
}
return(new WM_ATTR(name.ToString(), type, obj));
}
