public Boolean SupportsInterface(Guid classGuid)
{
uint len;
CR ret = SetupApi.CM_Get_Device_Interface_List_Size(out len, ref classGuid, DeviceID, 0);
CMException.Throw(ret, "CM_Get_Device_Interface_List_Size");
return(len > 2);
}
public Boolean GetStatus(out UInt32 status, out UInt32 problem)
{
CR ret = SetupApi.CM_Get_DevNode_Status(out status, out problem, DevInst, 0);
if (ret == CR.NO_SUCH_DEVNODE)
{
return(false);
}
CMException.Throw(ret, "CM_Get_DevNode_Status");
return(true);
}
public DeviceNode GetParent()
{
UInt32 node;
CR ret = SetupApi.CM_Get_Parent(out node, DevInst, 0);
if (ret == CR.NO_SUCH_DEVNODE)
{
return(null);
}
CMException.Throw(ret, "CM_Get_Parent");
return(new DeviceNode(node));
}
public static DeviceNode GetDevice(String deviceID)
{
UInt32 node;
CR ret = SetupApi.CM_Locate_DevNode(out node, deviceID, 4);
if (ret == CR.NO_SUCH_DEVNODE)
{
return(null);
}
CMException.Throw(ret, "CM_Locate_DevNode");
return(new DeviceNode(node));
}
public String[] GetInterfaces(Guid classGuid)
{
uint len;
CR ret = SetupApi.CM_Get_Device_Interface_List_Size(out len, ref classGuid, DeviceID, 0);
CMException.Throw(ret, "CM_Get_Device_Interface_List_Size");
if (len <= 1)
{
return(null);
}
Byte[] buffer = new Byte[2 * len];
ret = SetupApi.CM_Get_Device_Interface_List(ref classGuid, DeviceID, buffer, len, 0);
CMException.Throw(ret, "CM_Get_Device_Interface_List");
return(SetupApi.GetAsStringArray(buffer, 2 * (int)len));
}
public Byte[] GetProperty(CMRDP property)
{
uint proplength = 0;
uint proptype;
CR ret = SetupApi.CM_Get_DevNode_Registry_Property(DevInst, property, out proptype, null, ref proplength, 0);
if (ret == CR.NO_SUCH_VALUE || ret == CR.NO_SUCH_DEVNODE)
{
return(null);
}
if (ret != CR.BUFFER_SMALL)
{
CMException.Throw(ret, "CM_Get_DevNode_Registry_Property");
}
Byte[] propbuffer = new Byte[proplength];
ret = SetupApi.CM_Get_DevNode_Registry_Property(DevInst, property, out proptype, propbuffer, ref proplength, 0);
CMException.Throw(ret, "CM_Get_DevNode_Registry_Property");
if (propbuffer.Length > proplength)
{
Array.Resize(ref propbuffer, (int)proplength);
}
return(propbuffer);
}
public IList <DeviceNode> GetChildren()
{
UInt32 child;
CR ret = SetupApi.CM_Get_Child(out child, DevInst, 0);
if (ret == CR.NO_SUCH_DEVNODE)
{
return(null);
}
CMException.Throw(ret, "CM_Get_Child");
List <DeviceNode> list = new List <DeviceNode>();
while (true)
{
list.Add(new DeviceNode(child));
ret = SetupApi.CM_Get_Sibling(out child, child, 0);
if (ret == CR.NO_SUCH_DEVNODE)
{
break;
}
CMException.Throw(ret, "CM_Get_Sibling");
}
return(list);
}
public void Reenumerate(UInt32 flags)
{
CR ret = SetupApi.CM_Reenumerate_DevNode(DevInst, flags);
CMException.Throw(ret, "CM_Reenumerate_DevNode");
}
