//在定时器中完成对qq尾巴病毒行为的模拟（注意：请勿用于不良用途！！！）
private void timer1_Tick(object sender, System.EventArgs e)
{
int hwnd = 0;
string caption, username, tail; //窗口标题，用户名称,需要添加的消息尾巴
int hBtSend = 0, hRichEdit = 0; //关键的句柄,发送按钮，聊天信息输入控件
int charcode; //ANSI编码的字符
username = string.Empty;
int clienttype = CT_QQ; //客户端类型
while ((hwnd = MainFrm.FindWindowEx(0, hwnd, "#32770", null)) > 0)
{
//获取窗口标题
MainFrm.GetWindowText(hwnd, this.m_StringBuilder, 256);
//判断窗口标题是否是"与 **** 聊天中"形式
caption = this.m_StringBuilder.ToString();
//如果标题太短，则不可能是任何聊天窗口
if (caption.Length < 5)
{
continue;
}
if (caption.StartsWith("与 ") && caption.EndsWith(" 聊天中"))
{
//QQ与某人聊天窗口
clienttype = CT_QQ;
username = caption.Substring(2, caption.Length - 6);
break;
}
else if (caption.StartsWith("与 ") && caption.EndsWith(" 交谈中"))
{
//TM与某人聊天窗口
clienttype = CT_TM;
username = caption.Substring(2, caption.Length - 6);
break;
}
else if (caption.EndsWith(" － 群"))
{
//QQ群窗口
clienttype = CT_QQ;
username = caption.Substring(0, caption.Length - 4);
break;
}
else if (caption.EndsWith(" － 群 "))
{
//TM群窗口
clienttype = CT_TM;
username = caption.Substring(0, caption.Length - 6);
break;
}
else if (caption.StartsWith("多人聊天 － "))
{
//QQ讨论组窗口
clienttype = CT_QQ;
username = caption.Substring(7, caption.Length - 7);
break;
}
else if (caption.EndsWith(" － 讨论组 "))
{
//TM讨论组窗口
clienttype = CT_TM;
username = caption.Substring(0, caption.Length - 7);
break;
}
}
//搜索了所有对话框还是没能找到QQ聊天窗口，则退出
if (hwnd <= 0)
{
return;
}
//获取客户区框架
int hclient = MainFrm.FindWindowEx(hwnd, 0, "#32770", null);
//获取发送按钮句柄
hBtSend = MainFrm.FindWindowEx(hclient, 0, "Button", btSendName[clienttype]);
//获取聊天输入框的父,这种类型的窗口有好几个，所以必须注意窗口顺序保证正确获取
int hAfxWnd42_0 = MainFrm.FindWindowEx(hclient, 0, "AfxWnd42", null);
//获取聊天输入框句柄
hRichEdit = MainFrm.FindWindowEx(hAfxWnd42_0, 0, "RICHEDIT", null);
//将尾巴中的用户名掩码替换为真正的用户名称,注意m_Msgtail内容不会改变
tail = this.m_Msgtail.Replace(this.m_UserNameMask, username);
//获取默认编码（ANSI）编码)的字符数组
byte[] bytes;
//模拟键盘输入尾巴内容 (WM_CHAR）
for (int i = 0; i < tail.Length; i++)
{
bytes = Encoding.Default.GetBytes(tail[i].ToString());
if (bytes.Length > 1)
{
charcode = bytes[1] * 256 + bytes[0]; //两个字节表示的字符
}
else
{
charcode = bytes[0]; //一个字节表示的字符
}
MainFrm.SendMessage(hRichEdit, MainFrm.WM_CHAR, charcode, 1);
}
//点击发送按钮发送出去，wParam,lParam未用，必须为0
if (this.cbAutoSend.Checked)
{
MainFrm.SendMessage(hBtSend, MainFrm.BM_CLICK, 0, 0);
}
//已经发送了一次，令定时器寿命增加
this.m_life++;
//判断寿命是否需要结束定时器
if (this.m_SendTimes > 0 && this.m_life >= this.m_SendTimes)
{
//点击停止按钮，停止计时器
this.btStartStop.PerformClick();
}
}