private void btn_upload_LinkClicked(object sender, LinkLabelLinkClickedEventArgs e)
{
OpenFileDialog Dlg = new OpenFileDialog();
FileInfo FI;
Dlg.Filter = "所有文件(*.*)|*.*";
Dlg.CheckFileExists = true;
if (Dlg.ShowDialog() == DialogResult.OK)
{
FI = new FileInfo(Dlg.FileName);
if (FI.Length == 0)
{
MessageBox.Show("不可上传空文件");
}
else
{
string info = string.Join(SEPARATOR + "", new string[] { MessageType.FileMessage + "", COMPUTER_NAME, IP_ADDRESS, Dlg.FileName, FI.Length + "" });
UdpSendMessage.SendToAll(info);
}
}
else
{
MessageBox.Show("取消上传");
}
}
public static void IntervalBroadcast()
{
IntPtr charRoom = Win32API.FindWindow(null, "Чат групи LAN");
string info = string.Join(ChatRoom.SEPARATOR + "", new string[] { MessageType.Broadcast + "", ChatRoom.COMPUTER_NAME, ChatRoom.IP_ADDRESS });
while (true)
{
Win32API.SendMessage(charRoom, (int)MessageType.ClearUsers, 0, 0);
UdpSendMessage.SendToAll(info);
Thread.Sleep(BROADCAST_INTERVAL);
}
}
private void btn_send_Click(object sender, EventArgs e)
{
string data = message_chat.Text.Trim();
if (data == String.Empty)
{
MessageBox.Show("发送不能为空！");
}
else
{
string info = string.Join(SEPARATOR + "", new string[] { MessageType.ChatMessage + "", COMPUTER_NAME, IP_ADDRESS, data });
UdpSendMessage.SendToAll(info);
}
message_chat.Clear();
}