发布：2014/6/24 17:18:51作者：管理员 来源：本站 浏览次数：1207
下面给出杀死一个进程的某些相关线程的安全例子：
Process[] myProcesses = Process.GetProcessesByName("IEXPLORE");
foreach(Process myProcess in myProcesses)
{
FindPopupToKill(myProcess);
}
protected void FindPopupToKill(Process p)
{
// traverse all threads and enum all windows attached to the thread
foreach (ProcessThread t in p.Threads)
{
int threadId = t.Id;
NativeWIN32.EnumThreadProc callbackProc =
new NativeWIN32.EnumThreadProc(MyEnumThreadWindowsProc);
NativeWIN32.EnumThreadWindows(threadId,
callbackProc, IntPtr.Zero /*lParam*/);
}
}
// callback used to enumerate Windows attached to one of the threads
bool MyEnumThreadWindowsProc(IntPtr hwnd, IntPtr lParam)
{
public const int WM_SYSCOMMAND = 0x0112;
public const int SC_CLOSE = 0xF060;
// get window caption
NativeWIN32.STRINGBUFFER sLimitedLengthWindowTitle;
NativeWIN32.GetWindowText(hwnd, out sLimitedLengthWindowTitle, 256);
String sWindowTitle = sLimitedLengthWindowTitle.szText;
if (sWindowTitle.Length==0) return true;
// find this caption in the list of banned captions
foreach (ListViewItem item in listView1.Items)
{
if ( sWindowTitle.StartsWith(item.Text) )
NativeWIN32.SendMessage(hwnd, NativeWIN32.WM_SYSCOMMAND,
NativeWIN32.SC_CLOSE,
IntPtr.Zero); // try soft kill
}
return true;
}
public class NativeWIN32
{
public delegate bool EnumThreadProc(IntPtr hwnd, IntPtr lParam);
[DllImport("user32.dll", CharSet=CharSet.Auto)]
public static extern bool EnumThreadWindows(int threadId,
EnumThreadProc pfnEnum, IntPtr lParam);
// used for an output LPCTSTR parameter on a method call
[StructLayout(LayoutKind.Sequential, CharSet=CharSet.Auto)]
public struct STRINGBUFFER
{
[MarshalAs(UnmanagedType.ByValTStr, SizeConst=256)]
public string szText;
}
[DllImport("user32.dll", CharSet=CharSet.Auto)]
public static extern int GetWindowText(IntPtr hWnd,
out STRINGBUFFER ClassName, int nMaxCount);
[DllImport("user32.dll", CharSet=CharSet.Auto)]
public static extern int SendMessage(IntPtr hWnd,
int msg, int wParam, int lParam);
}
protected void FindPopupToKill()
{
IntPtr hParent = IntPtr.Zero;
IntPtr hNext = IntPtr.Zero;
String sClassNameFilter = "IEFrame"; // CLASSNAME of all IE windows
do
{
hNext = NativeWIN32.FindWindowEx(hParent,hNext,
sClassNameFilter,IntPtr.Zero);
// we've got a hwnd to play with
if ( !hNext.Equals(IntPtr.Zero) )
{
// get window caption
NativeWIN32.STRINGBUFFER sLimitedLengthWindowTitle;
NativeWIN32.GetWindowText(hNext, out
sLimitedLengthWindowTitle, 256);
String sWindowTitle = sLimitedLengthWindowTitle.szText;
if (sWindowTitle.Length>0)
{
// find this caption in the list of banned captions
foreach (ListViewItem item in listView1.Items)
{
if ( sWindowTitle.StartsWith(item.Text) )
NativeWIN32.SendMessage(hNext,
NativeWIN32.WM_SYSCOMMAND,
NativeWIN32.SC_CLOSE,
IntPtr.Zero); // try soft kill
}
}
}
}
while (!hNext.Equals(IntPtr.Zero));
}
public class NativeWIN32
{
[DllImport("user32.dll", CharSet=CharSet.Auto)]
public static extern IntPtr FindWindowEx(IntPtr parent /*HWND*/,
IntPtr next /*HWND*/,
string sClassName,
IntPtr sWindowTitle);
}
