private void HandleDeviceChange(Message m)
{
if (m.WParam.ToInt32() == NativeApi.DBT_DEVICEARRIVAL)
{
NativeApi.DEV_BROADCAST_HDR DevBroadcastHeader = new NativeApi.DEV_BROADCAST_HDR();
NativeApi.DEV_BROADCAST_DEVICEINTERFACE_1 DevBroadcastDeviceInterface = new NativeApi.DEV_BROADCAST_DEVICEINTERFACE_1();
try
{
Marshal.PtrToStructure(m.LParam, DevBroadcastHeader);
if (DevBroadcastHeader.dbch_devicetype == NativeApi.DBT_DEVTYP_DEVICEINTERFACE)
{
int StringSize = System.Convert.ToInt32((DevBroadcastHeader.dbch_size - 28) / 2);
DevBroadcastDeviceInterface.dbcc_name = new char[StringSize + 1];
Marshal.PtrToStructure(m.LParam, DevBroadcastDeviceInterface);
string DeviceNameString = new string(DevBroadcastDeviceInterface.dbcc_name, 0, StringSize);
DeviceNameString = DeviceNameString.Substring(0, DeviceNameString.IndexOf('}') + 1);
DeviceNameString = DeviceNameString.ToLowerInvariant();
AddDeviceToList(DeviceNameString);
}
}
catch
{
EmitLogMessage(HidLogMessageType.Warning, "Error on arrival!");
}
}
else if (m.WParam.ToInt32() == NativeApi.DBT_DEVICEREMOVECOMPLETE)
{
NativeApi.DEV_BROADCAST_HDR DevBroadcastHeader = new NativeApi.DEV_BROADCAST_HDR();
NativeApi.DEV_BROADCAST_DEVICEINTERFACE_1 DevBroadcastDeviceInterface = new NativeApi.DEV_BROADCAST_DEVICEINTERFACE_1();
string DeviceNameString;
try
{
Marshal.PtrToStructure(m.LParam, DevBroadcastHeader);
if (DevBroadcastHeader.dbch_devicetype == NativeApi.DBT_DEVTYP_DEVICEINTERFACE)
{
int StringSize = System.Convert.ToInt32((DevBroadcastHeader.dbch_size - 28) / 2);
DevBroadcastDeviceInterface.dbcc_name = new char[StringSize + 1];
Marshal.PtrToStructure(m.LParam, DevBroadcastDeviceInterface);
DeviceNameString = new string(DevBroadcastDeviceInterface.dbcc_name, 0, StringSize);
DeviceNameString = DeviceNameString.Substring(0, DeviceNameString.IndexOf('}') + 1);
DeviceNameString = DeviceNameString.ToLowerInvariant();
RemoveDeviceFromList(DeviceNameString);
}
}
catch
{
EmitLogMessage(HidLogMessageType.Warning, "Error on removal!");
}
}
}
private void HandleDeviceChange(Message m)
{
if (m.WParam.ToInt32() == NativeApi.DBT_DEVICEARRIVAL)
{
NativeApi.DEV_BROADCAST_HDR DevBroadcastHeader = new NativeApi.DEV_BROADCAST_HDR();
NativeApi.DEV_BROADCAST_DEVICEINTERFACE_1 DevBroadcastDeviceInterface = new NativeApi.DEV_BROADCAST_DEVICEINTERFACE_1();
try
{
Marshal.PtrToStructure(m.LParam, DevBroadcastHeader);
if (DevBroadcastHeader.dbch_devicetype == NativeApi.DBT_DEVTYP_DEVICEINTERFACE)
{
int StringSize = System.Convert.ToInt32((DevBroadcastHeader.dbch_size - 28) / 2);
DevBroadcastDeviceInterface.dbcc_name = new char[StringSize + 1];
Marshal.PtrToStructure(m.LParam, DevBroadcastDeviceInterface);
string DeviceNameString = new string(DevBroadcastDeviceInterface.dbcc_name, 0, StringSize);
DeviceNameString = DeviceNameString.Substring(0, DeviceNameString.IndexOf('}') + 1);
DeviceNameString = DeviceNameString.ToLowerInvariant();
AddDeviceToList(DeviceNameString);
}
}
catch
{
EmitLogMessage(HidLogMessageType.Warning, "Error on arrival!");
}
}
else if (m.WParam.ToInt32() == NativeApi.DBT_DEVICEREMOVECOMPLETE)
{
NativeApi.DEV_BROADCAST_HDR DevBroadcastHeader = new NativeApi.DEV_BROADCAST_HDR();
NativeApi.DEV_BROADCAST_DEVICEINTERFACE_1 DevBroadcastDeviceInterface = new NativeApi.DEV_BROADCAST_DEVICEINTERFACE_1();
string DeviceNameString;
try
{
Marshal.PtrToStructure(m.LParam, DevBroadcastHeader);
if (DevBroadcastHeader.dbch_devicetype == NativeApi.DBT_DEVTYP_DEVICEINTERFACE)
{
int StringSize = System.Convert.ToInt32((DevBroadcastHeader.dbch_size - 28) / 2);
DevBroadcastDeviceInterface.dbcc_name = new char[StringSize + 1];
Marshal.PtrToStructure(m.LParam, DevBroadcastDeviceInterface);
DeviceNameString = new string(DevBroadcastDeviceInterface.dbcc_name, 0, StringSize);
DeviceNameString = DeviceNameString.Substring(0, DeviceNameString.IndexOf('}')+1);
DeviceNameString = DeviceNameString.ToLowerInvariant();
RemoveDeviceFromList(DeviceNameString);
}
}
catch
{
EmitLogMessage(HidLogMessageType.Warning, "Error on removal!");
}
}
}
