private static void Main()
{
KHOT_PARAMS hotInitParams = new KHOT_PARAMS();
// In the real world, you would want to filter for only *your* device(s).
hotInitParams.PatternMatch.DeviceInterfaceGUID = "*";
// The PLUG_ALL_ON_INIT flag will force plug events for matching devices that are already connected.
hotInitParams.Flags = KHOT_FLAG.PLUG_ALL_ON_INIT;
hotInitParams.OnHotPlug = OnHotPlug;
/* Instead of a callback you can send/post messages directly to a window handle.
hotInitParams.UserHwnd = MyForm.Handle;
hotInitParams.UserMessage = WM_USER_HOT_BASE;
*/
Console.WriteLine("Monitoring libusbK arrival/removal events.");
Console.WriteLine("[PatternMatch]");
Console.WriteLine(hotInitParams.PatternMatch.ToString());
Console.WriteLine("Press [ENTER] to exit..");
while (Console.KeyAvailable) Console.ReadKey(true);
// You may set your initial hot handle user context like this.
// This example is using it to count connected devices and detect the first OnHotPlug event (Int32.MaxValue).
AllKFunctions.LibK_SetDefaultContext(KLIB_HANDLE_TYPE.HOTK, new IntPtr(Int32.MaxValue));
// Start hot-plug detection.
HotK hot = new HotK(ref hotInitParams);
Console.ReadLine();
hot.Free();
}
/// <Summary>Creates a new hot-plug handle for USB device arrival/removal event monitoring.</Summary>
public HotK(ref KHOT_PARAMS InitParams)
{
bool success = AllKFunctions.HotK_Init(out mHandleStruct, ref InitParams);
if (!success) throw new Exception(string.Format("{0} failed initializing. ErrorCode={1:X8}h", GetType().Name, Marshal.GetLastWin32Error()));
Debug.Print("{0} Init: handle 0x{1:X16}", GetType().Name, mHandleStruct.Pointer.ToInt64());
}
/// <Summary>Creates a new hot-plug handle for USB device arrival/removal event monitoring.</Summary>
public HotK(ref KHOT_PARAMS InitParams)
{
RuntimeHelpers.PrepareConstrainedRegions();
try
{
}
finally
{
bool success = Functions.HotK_Init(out handle, ref InitParams);
if (!success || handle.IsInvalid || handle.IsClosed)
{
handle.SetHandleAsInvalid();
int errorCode = Marshal.GetLastWin32Error();
throw new Exception(GetType().Name + " failed. ErrorCode=" + errorCode.ToString("X"));
}
}
}