public void SetProperty(WM_ATTR attr)
{
object obj;
uint size;
Logger.WriteLogMessage("Set property[" + attr.Name + "].");
switch (attr.DataType)
{
case WMT_ATTR_DATATYPE.WMT_TYPE_STRING:
byte[] arr = Encoding.Unicode.GetBytes((string)attr.Value + (char)0);
obj = arr;
size = (ushort)arr.Length;
break;
case WMT_ATTR_DATATYPE.WMT_TYPE_BOOL:
obj = (uint)((bool)attr ? 1 : 0);
size = 4;
break;
case WMT_ATTR_DATATYPE.WMT_TYPE_BINARY:
obj = (byte[])attr.Value;
size = (ushort)((byte[])obj).Length;
break;
case WMT_ATTR_DATATYPE.WMT_TYPE_DWORD:
obj = (uint)attr;
size = 4;
break;
case WMT_ATTR_DATATYPE.WMT_TYPE_QWORD:
obj = (ulong)attr;
size = 8;
break;
case WMT_ATTR_DATATYPE.WMT_TYPE_WORD:
obj = (ushort)attr;
size = 2;
break;
case WMT_ATTR_DATATYPE.WMT_TYPE_GUID:
obj = (Guid)attr;
size = (ushort)Marshal.SizeOf(typeof(Guid));
break;
default:
throw new ArgumentException("Invalid data type.", "attr");
}
GCHandle h = GCHandle.Alloc(obj, GCHandleType.Pinned);
try
{
_propertyVault.SetProperty(attr.Name, attr.DataType, h.AddrOfPinnedObject(), size);
}
finally
{
h.Free();
}
}
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);
}
