First create a snapshot of a process through the CreateToolhelp32Snapshot function, and then traverse the process by calling Process32First using the handle of the snapshot, the relevant information is stored in an instance of the Processentry32 structure type, and then displayed.
WinXP VB6 SP6
code show as below:
Private Declare Function CreateToolhelp32 Snapshot Lib "Kernel32" (Byval TH32PROCESSID AS Long) As long
Private Declare Function Process32First Lib "Kernel32" (LPPE AS Processentry32) AS Long
Private Declare Function Process32Next Lib "Kernel32" (LPPE AS Processentry32) AS Long
Private Declare Function CloseHandle Lib "Kernel32" (Byval Hobject As Long) AS Long
Private declare function openprocess lib "kernel32" (Byval DwdesiredAccess As Long, _
Byval BLNHERITHANDLE As Long, ByVal Dwapppprocessid As long
Private Declare Function TerminateProcess LIB "Kernel32" (Byval ApphProcess As Long, _
BYVAL UEXITCODE AS Long AS Long
Private Type Processentry32
DWSIZE As Long
CNTUSAGE AS Long
TH32PROCESSID AS Long
TH32DEFAULTHEAPID AS Long
TH32ModuleID as long
CNTTHREADS As Long
TH32ParentProcessid As Long
PCPriclassBase As Long
DWFlags as long
SZEXEFILE AS STRING * 1024
End Type
Const Th32CS_SNAPHEAPLIST = & H1
Const th32cs_snapprocess = & h2
Const th32cs_snapthread = & h4
Const TH32CS_SNAPModule = & H8
Const TH32CS_SNAPALL = (TH32CS_SNAPHEAPLIST OR TH32CS_SNAPPROCESS OR TH32CS_SNAPTHREAD OR TH32CS_SNAPMODULE)
Const th32cs_inherit = & h80000000
'Add a ListView control, 3 buttons
'Delete the selected process in ListView
Private sub fascist2_click ()
IF msgbox ("Do you want to delete" & listview1.selectedItem.subitems (2) & "process?", Vbyesno vbquestion <> Vbyes then
EXIT SUB
END IF
DIM MPROCID AS Long
MPROCID = OpenProcess (1 &, -1 &, ListView1.selectedItem)
TerminateProcess MPROCID, 0 &
Doevents
ListView1.listItems.remove (listview1.selectedItem.index)
Listview1.refresh
End Sub
'Get the process populate ListView
Private submmand1_click ()
DIM My As Processentry32
DIM L As Long
DIM L1 AS Long
Dim mlistItem as ListItem
'List1.clear
L = CreateToolHelp32Snapshot (TH32CS_SNAPPROCESS, 0)
IF l.
My.dwsize = 1060
IF (Process32First (L, MY)) THEN 'traverses the first process
DO
Set mlistItem = listview1.listitems.add (,, my.th32processid)
mlistitem.subitems (1) = my.th32parentProcessID
mlistitem.subitems (2) = my.szexefile
LOOP Until (PROCESS32NEXT (L, MY) <1) 'Traversing All Processes Know the return value false
END IF
L1 = CloseHandle (L)
END IF
End Sub
Private sub flow_load ()
Listview1.listItems.clear
Listview1.columnheaders.clear
Listview1.fullrowselect = true
Listview1.columnheaders.add,, "process ID", 1500
ListView1.columnheaders.add, "Process Parent ID", (1500)
Listview1.columnheaders.add,, "name", (Me.Width - 3200)
Listview1.view = lvwreport
End Sub
Does there are specified processes in the cycle detection process, if there is, close, if not, start a program
Private submmand3_click ()
DIM My As Processentry32
DIM L As Long
DIM L1 AS Long
Dim flag as boolean
DIM MNAME AS STRING
DIM I as integer
L = CreateToolHelp32Snapshot (TH32CS_SNAPPROCESS, 0)
IF l.
My.dwsize = 1060
IF (Process32First (L, MY)) THEN 'traverses the first process
DO
I = INSTR (1, my.szexefile, chr (0))
MNAME = LCase (Left (My.SZEXEFILE, I - 1))
If mname = "winword.exe" then
PID = my.th32processid
PNAME = MNAME
Msgbox "Find Word"
IF msgbox ("Do you want to delete" & MNAME & "process?", Vbyesno vbquestion <> Vbyes the the Sub
END IF
DIM MPROCID AS Long
MPROCID = OpenProcess (1 &, -1 &, PID)
TerminateProcess MPROCID, 0 &
Flag = TRUE
EXIT SUB
Else
Flag = false
END IF
LOOP Until (PROCESS32NEXT (L, MY) <1) 'Traversing All Processes Know the return value false
END IF
L1 = CloseHandle (L)
END IF
IF flag = false kil
Msgbox "No Word"
Shell "C: / Program Files / Microsoft Office / Office / Winword.exe", VBNORMALFOCUS
END IF
End Sub
