public static extern bool FlutterDesktopMessengerSendWithReply(
FlutterDesktopMessengerRef messenger,
[MarshalAs(UnmanagedType.LPStr)] string channel,
byte[] message,
IntPtr message_size,
FlutterDesktopBinaryReply reply,
IntPtr user_data);
internal void SetMessenger(FlutterDesktopMessengerRef messenger)
{
_messenger = messenger;
_callback = new FlutterDesktopMessageCallback(OnFlutterMessageReceived);
FlutterWindowsInterop.FlutterDesktopMessengerSetCallback(_messenger, ChannelName,
_callback, IntPtr.Zero);
}
public static extern void FlutterDesktopMessengerSendResponse(
FlutterDesktopMessengerRef messenger,
FlutterDesktopMessageResponseHandle handle,
byte[] data,
IntPtr data_length);
public static extern bool FlutterDesktopMessengerSend(FlutterDesktopMessengerRef messenger,
[MarshalAs(UnmanagedType.LPStr)] string channel, byte[] message, IntPtr messageSize);
public static extern void FlutterDesktopMessengerSetCallback(FlutterDesktopMessengerRef messenger,
[MarshalAs(UnmanagedType.LPStr)] string channel, FlutterDesktopMessageCallback callback, IntPtr user_data);
