VB根据窗口标题获取应用程序完整路径(来自网络)
VB根据窗口标题获取应用程序完整路径(来自网络)
Option Explicit
Private Declare Function FindWindow Lib "user32" Alias "FindWindowA" (ByVal lpClassName As String, ByVal lpWindowName As String) As Long
Private Declare Function GetWindowThreadProcessId Lib "user32" (ByVal hwnd As Long, lpdwProcessId As Long) As Long
Private Declare Function OpenProcess Lib "kernel32.dll" (ByVal dwDesiredAccess As Long, ByVal bInheritHandle As Long, ByVal dwProcessID As Long) As Long
Private Declare Function GetModuleFileNameExA Lib "psapi.dll" (ByVal hProcess As Long, ByVal hModule As Long, ByVal ModuleName As String, ByVal nSize As Long) As Long
Private Declare Function CloseHandle Lib "kernel32.dll" (ByVal hObject As Long) As Long
Private Declare Function EnumProcessModules Lib "psapi.dll" (ByVal hProcess As Long, ByRef lphModule As Long, ByVal cb As Long, ByRef cbNeeded As Long) As Long
Private Sub Command1_Click()
On Error Resume Next
Dim notepad_hwnd As Long, i As Long, pid As Long
Dim notepad_path As String
Shell "notepad.exe", vbNormalFocus
notepad_hwnd& = FindWindow(vbNullString, "无标题 - 记事本") '获得窗口句柄
i = GetWindowThreadProcessId(notepad_hwnd, pid) '获得记事本pid
notepad_path = GetProcessPathByProcessID(pid) '获取记事本全路径
Text1.Text = notepad_path
End Sub
Private Function GetProcessPathByProcessID(pid As Long) As String '获取应用程序的完整路径
On Error GoTo ErrLine
Dim cbNeeded As Long
Dim szBuf(1 To 250) As Long
Dim Ret As Long
Dim szPathName As String
Dim nSize As Long
Dim hProcess As Long
hProcess = OpenProcess(&H400 Or &H10, 0, pid)
If hProcess <> 0 Then
Ret = EnumProcessModules(hProcess, szBuf(1), 250, cbNeeded)
If Ret <> 0 Then
szPathName = Space(260)
nSize = 500
Ret = GetModuleFileNameExA(hProcess, szBuf(1), szPathName, nSize)
GetProcessPathByProcessID = Left(szPathName, Ret)
End If
End If
Ret = Clos
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http://topic.csdn.net/t/20060401/19/4656391.html
Private Declare Function GetCurrentProcess Lib "kernel32" () As Long
Private Declare Function SetPriorityClass Lib "kernel32" (ByVal hProcess As Long, ByVal dwPriorityClass As Long) As Long
Const IDLE_PRIORITY_CLASS = &H40 '新进程应该有非常低的 ......
引自：http://blog.csdn.net/yizia/archive/2006/09/19/1248669.aspx
访问远程数据库的情况有以下几种：
1）访问远程数据库的access数据库
2）访问远程mssql数据库或oracle等其他关系数据库，但是数据库通信端口被防火墙阻挡或其他网络原因造成无法使用该端口
本文仅在windows2000 advance server,mdac2.8下测试通过� ......
虽然在VB里实现XP风格很简单，但是要使用XP风格同时又让按钮显示图片，则实现起来要麻烦一些，为此，我写了一个控件来实现前述功能，同时让读者可以从中了解XP主题界面的绘制过程。
使用办法很简单，在VB里新建一个工程，然后添加一个控件模块，粘贴以下代码，再将控件放置到窗口即 ......
'读数据到二进制字段
Public Sub ReadfromBLOB(filed As ADODB.Field, Filen As String)
Dim DataFile As Integer, Fl As Long, Chunks As Integer
Dim Fragment As Integer, Chunk() As Byte, i As Integer
'传送块单位大小
Const ChunkSize As Integer = 16384
Dim MediaTemp As String
Dim lngOffset As Long
Di ......
