private void TestCopy()
{
IWMStreamConfig sc;
IWMPropertyVault pv2;
Guid g = Guid.NewGuid();
byte[] b = null;
int iLen = 0;
AttrDataType pType;
m_pProfile.CreateNewStream(MediaType.Video, out sc);
pv2 = sc as IWMPropertyVault;
pv2.SetProperty("moo", AttrDataType.GUID, g.ToByteArray(), 16);
m_pv.CopyPropertiesFrom(pv2);
m_pv.GetPropertyByName("moo", out pType, b, ref iLen);
Debug.Assert(iLen == 16);
Debug.Assert(pType == AttrDataType.GUID);
b = new byte[iLen];
m_pv.GetPropertyByName("moo", out pType, b, ref iLen);
Debug.Assert(new Guid(b) == g);
}
public WM_ATTR GetProperty(string name)
{
uint datalen = 0;
object obj;
WMT_ATTR_DATATYPE type;
Logger.WriteLogMessage("Get property[" + name + "].");
_propertyVault.GetPropertyByName(name, out type, IntPtr.Zero, ref datalen);
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.GetPropertyByName(name, 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, type, obj));
}
