📄 formsendmsg.cs
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this.butSend.Enabled = t;
this.RTBSend.ReadOnly = !t;
OutTime = 0;
this.timerCheckSendIsSuccess.Enabled = !t;//开始检测消息是否发送成功
}
#endregion
#region 检查 消息是否发送成功 timer事件
private void timerCheckSendIsSuccess_Tick(object sender, System.EventArgs e)
{
if (currUserInfo != null)
{
OutTime++;
if (OutTime == 50 && !currUserInfo.SendIsSuccess)//如果消息没有发送成功
{
MessageBox.Show("消息发送不成功(原因可能是对方已经脱机或网络出现故障)。", "提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
EnBut(true);//启用发送功能
this.RTBSend.Focus();
}
if (currUserInfo.SendIsSuccess)//如果消息发送成功
{
EnBut(true);//启用发送功能
if (this.RTBSend.Text != "")
dataAccess.addMsgToDB(this.SendTextMsg.msgContent, FormAccess.selfInfo.UserID, currUserInfo.UserID, this.SendTextMsg.Version.ToString(), System.DateTime.Now.ToString(), this.SendTextMsg.imageInfo, true);//将消息添加进数据库
this.MsgToRichTextBox(this.SendTextMsg, true);//将消息加入到richTextBox控件
this.sendSelfImage();//发送附加的自定义图片
this.RTBSend.Clear();
}
}
}
#endregion
#region 发送自定义的图片文件
private void sendSelfImage()//发送图片文件
{
foreach (IMLibrary.MyPicture pic in this.SendGifs)
{
if (pic.IsSent)
{
currUserInfo = FormAccess.findUser(this.Tag.ToString());
if (currUserInfo != null)
{
System.IO.FileInfo f = new System.IO.FileInfo(Application.StartupPath + "\\sendImage\\" + pic.Tag.ToString() + ".gif");
this.ImageTransfers(true,pic.Tag.ToString(), f.FullName, f.Extension, f.Length, currUserInfo.IP, currUserInfo.Port);
}
}
}
this.SendGifs.Clear();
}
#endregion
#region 发送或接收图片文件 函数
/// <summary>
/// 发送或接收文件
/// </summary>
/// <param name="IsSend">标记是发送还是接收</param>
/// <param name="fileName">接收或发送的文件名</param>
/// <param name="Extension">接收或发送文件的扩展名</param>
/// <param name="FileSize">文件尺寸</param>
/// <param name="Ip">接收者或发送者的IP地址</param>
/// <param name="Port">接收者或发送者的UDP端口号</param>
public void ImageTransfers(bool IsSend, string FileName, string fullFileName, string Extension, long FileSize, System.Net.IPAddress Ip, int Port)//接收文件请求
{
//添加filesSend控件
IMLibrary.p2pFileTransmit imageTransmit = new IMLibrary.p2pFileTransmit();
imageTransmit.fileTransmitted += new IMLibrary.p2pFileTransmit.fileTransmittedEventHandler(imageTransmit_fileTransmitted);//图片传输结束
imageTransmit.fileTransmitCancel += new IMLibrary.p2pFileTransmit.fileTransmitCancelEventHandler(imageTransmit_fileTransmitCancel);//图片传输取消或异常中断
if (IsSend)
{
string fileInfo = FormAccess.selfInfo.UserID + "|" + FileName + "|" + Extension + "|" + FileSize.ToString();//初次请求发送文件时要先发送“控件参数”到对方，请求对方创建“文件发送控件”并建立连接
byte[] fileinfo = IMLibrary.TextEncoder.textToBytes(fileInfo);
byte[] buf = new byte[fileinfo.Length + 2];
buf[0] = 255;//合法用户标识
buf[1] = 25;//消息类型=发送图片
Buffer.BlockCopy(fileinfo, 0, buf, 2, fileinfo.Length);
imageTransmit.SetParameter(true, fullFileName, FileName, (int)FileSize, currUserInfo.IP, currUserInfo.Port, Extension, (ushort)(currUserInfo.MTU - 200), buf);
}
else
{
System.IO.DirectoryInfo dInfo = new System.IO.DirectoryInfo(Application.StartupPath + "\\ArrivalImage");
if (!dInfo.Exists)
dInfo.Create();
imageTransmit.SetParameter(false, fullFileName, FileName, (int)FileSize, Ip, Port, Extension, 750, null);
System.Threading.Thread.Sleep(2000);
imageTransmit.startIncept(Application.StartupPath + "\\ArrivalImage\\" + FileName + Extension);//自动接收图片
}
}
void imageTransmit_fileTransmitCancel(object sender, fileTransmitEvnetArgs e)
{
IMLibrary.p2pFileTransmit p2pImage = sender as IMLibrary.p2pFileTransmit;
if (p2pImage != null) p2pImage.Dispose();
}
void imageTransmit_fileTransmitted(object sender, fileTransmitEvnetArgs e)
{
if (!e.isSend)//如果是图片接收者，则将传输完成的图片显示出来
{
IMLibrary.MyPicture pic = this.findPic(Convert.ToString(e.fileName), this.ArrivalGifs);
if (pic != null)
{
pic.Image = System.Drawing.Image.FromFile(e.fullFileName);//显示图片
this.RTBRecord.Invalidate();
}
}
IMLibrary.p2pFileTransmit p2pImage = sender as IMLibrary.p2pFileTransmit;
if (p2pImage != null) p2pImage.Dispose();//将图片传输组件删除
}
#endregion
#region RichBox 关联 菜单事件
private void dotNetBarManager1_ItemClick(object sender, System.EventArgs e)
{
switch ((sender as DevComponents.DotNetBar.ButtonItem).Name)
{
case "复制":
if (this.RTBRecord.Focus())
this.RTBRecord.Copy();
if (this.RTBSend.Focus())
this.RTBSend.Copy();
break;
case "粘贴":
if (this.RTBRecord.Focus())
{ }
if (this.RTBSend.Focus())
this.RTBSend.Paste();
break;
case "全选":
if (this.RTBRecord.Focus())
this.RTBRecord.SelectAll();
if (this.RTBSend.Focus())
this.RTBSend.SelectAll();
break;
case "剪切":
if (this.RTBRecord.Focus())
{ }
if (this.RTBSend.Focus())
this.RTBSend.Cut();
break;
}
}
#endregion
#region RichBox 超链接 单击事件
private void RTBRecord_LinkClicked(object sender, LinkClickedEventArgs e)
{
try
{
System.Diagnostics.Process.Start(e.LinkText);
}
catch
{
//MessageBox.Show("无法打开链接。","提示",MessageBoxButtons.OK,MessageBoxIcon.Information);
}
}
#endregion
#region 对话记录richbox 文本改变后 事件
private void RTBRecord_TextChanged(object sender, System.EventArgs e)
{
//this.RTBRecord.Focus();
//this.RTBRecord.Select(this.RTBRecord.Text.Length, 1);
//this.RTBSend.Focus();
}
#endregion
private void RTBfocus()
{
this.RTBRecord.Focus();
//this.RTBRecord.Select(this.RTBRecord.Text.Length, 0);
this.RTBRecord.ScrollToCaret();
this.RTBSend.Focus();
}
#region 打开共享 按钮单击事件
private void butOpenShared_Click(object sender, System.EventArgs e)
{
try
{
string sharedComputerName = "\\\\" + Convert.ToString(this.Tag);
System.Diagnostics.Process.Start(sharedComputerName);
}
catch
{
MessageBox.Show("无法打开对方(" + Convert.ToString(this.Tag) + ")的共享文件夹(原因可能是对方没有开机或没有设置共享以及其它网络故障造成的)。", "提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
}
#endregion
#region 发送文件请求事件及其函数
private void butSendFile_Click(object sender, System.EventArgs e)
{
currUserInfo = FormAccess.findUser(this.Tag.ToString() );
if (currUserInfo == null)return;
System.Windows.Forms.OpenFileDialog fd = new OpenFileDialog();
fd.Multiselect = true;
fd.Filter = "所有文件|*.*";
if (fd.ShowDialog() == System.Windows.Forms.DialogResult.OK)
{
for (int i = 0; i < fd.FileNames.Length; i++)
{
System.IO.FileInfo f = new System.IO.FileInfo(fd.FileNames [i]);
this.FileTransfers(true, f.Name, f.FullName, f.Extension, f.Length, currUserInfo.IP, currUserInfo.Port);
}
}
}
#endregion
#region 发送或接收文件 函数
/// <summary>
/// 发送或接收文件
/// </summary>
/// <param name="IsSend">标记是发送还是接收</param>
/// <param name="fileName">接收或发送的文件名</param>
/// <param name="Extension">接收或发送文件的扩展名</param>
/// <param name="FileSize">文件尺寸</param>
/// <param name="Ip">接收者或发送者的IP地址</param>
/// <param name="Port">接收者或发送者的UDP端口号</param>
public void FileTransfers(bool IsSend, string FileName, string fullFileName, string Extension, long FileSize, System.Net.IPAddress Ip, int Port)//接收文件请求
{
//添加Tab
DevComponents.DotNetBar.TabItem tabItem = this.tabCsendFile.CreateTab(Convert.ToString(this.tabCsendFile.Tabs.Count + 1), this.tabCsendFile.Tabs.Count);
//添加filesSend控件
p2pFileTransmit fSend = new p2pFileTransmit();
tabItem.AttachedControl.Controls.Add(fSend);
if (IsSend)
{
string fileInfo = FormAccess.selfInfo.UserID + "|" + FileName + "|" + Extension + "|" + FileSize.ToString();//初次请求发送文件时要先发送“控件参数”到对方，请求对方创建“文件发送控件”并建立连接
byte[] fileinfo = IMLibrary.TextEncoder.textToBytes(fileInfo);
byte[] buf = new byte[fileinfo.Length + 2];
buf[0] = 255;//合法用户标识
buf[1] = 14;//消息类型=发送文件
Buffer.BlockCopy(fileinfo, 0, buf, 2, fileinfo.Length);
fSend.SetParameter(true ,fullFileName, FileName, (int)FileSize, currUserInfo.IP, currUserInfo.Port, Extension, (ushort)(currUserInfo.MTU - 200), buf);
AppendSystemRtf("等待对方接收文件 " + FileName + "(" + IMLibrary.FileOpt.GetSizeStr((int)FileSize) + ") 。请等待回应或取消文件传输");
}
else
{
fSend.SetParameter(false , fullFileName, FileName,(int)FileSize, Ip, Port, Extension, 750, null);
AppendSystemRtf("对方要传文件 " + FileName + "(" + IMLibrary.FileOpt.GetSizeStr((int)FileSize) + ")" + " 给您，请接收或取消文件传输");
}
fSend.fileTransmitBefore += new p2pFileTransmit.fileTransmitBeforeEventHandler(fSend_fileTransmitBefore);//文件开始传输事件
fSend.fileTransmitCancel += new p2pFileTransmit.fileTransmitCancelEventHandler(fSend_fileTransmitCancel);//文件传输取消事件
fSend.fileTransmitError += new p2pFileTransmit.fileTransmitErrorEventHandler(fSend_fileTransmitError);//文件传输错误事件
// fSend.fileTransmitOutTime += new p2pFileTransmit.fileTransmitOutTimeEventHandler(fSend_fileTransmitOutTime);//文件传输超时事件
fSend.fileTransmitted += new p2pFileTransmit.fileTransmittedEventHandler(fSend_fileTransmitted);//文件传输完成事件
fSend.Dock = System.Windows.Forms.DockStyle.Fill;
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