API ShellExecute 功能说明及应用示例

时　间:2008-08-01 08:36:14
作　者:黄海   ID：11  城市：上海  QQ：3002789054
摘　要:API ShellExecute 功能说明及应用示例
正　文:

我们可以通过ShellExecute来执行“打开”，“查找”，“资源管理器”或“打印”操作

必要的声明：
' nShowCmd
Public Const SW_HIDE = 0
Public Const SW_SHOWNORMAL = 1
Public Const SW_SHOWMINIMIZED = 2
Public Const SW_SHOWMAXIMIZED = 3
Public Const SW_MAXIMIZE = 3
Public Const SW_SHOWNOACTIVATE = 4
Public Const SW_SHOW = 5
Public Const SW_MINIMIZE = 6
Public Const SW_SHOWMINNOACTIVE = 7
Public Const SW_SHOWNA = 8
Public Const SW_RESTORE = 9

' Error Code
Public Const ERROR_FILE_NOT_FOUND = 2
Public Const ERROR_PATH_NOT_FOUND = 3
Public Const ERROR_BAD_FORMAT = 11

Public Const SE_ERR_FNF = 2
Public Const SE_ERR_PNF = 3
Public Const SE_ERR_ACCESSDENIED = 5
Public Const SE_ERR_OOM = 8
Public Const SE_ERR_SHARE = 26
Public Const SE_ERR_ASSOCINCOMPLETE = 27
Public Const SE_ERR_DDETIMEOUT = 28
Public Const SE_ERR_DDEFAIL = 29
Public Const SE_ERR_DDEBUSY = 30
Public Const SE_ERR_NOASSOC = 31
Public Const SE_ERR_DLLNOTFOUND = 32

Public Declare Function ShellExecute Lib "shell32.dll" _
Alias "ShellExecuteA" _
(ByVal hwnd As Long, _
ByVal lpOperation As String, _
ByVal lpFile As String, _
ByVal lpParameters As String, _
ByVal lpDirectory As String, _
ByVal nShowCmd As Long) As Long



“打开”操作
ShellExecute Me.hwnd, "open", _
Text1.Text, _
vbNullString, vbNullString, _
SW_SHOWNORMAL


“查找”操作
ShellExecute Me.hwnd, "find", _
LocalDir, _
vbNullString, vbNullString, _
SW_SHOWNORMAL


“打印”操作
ShellExecute Me.hwnd, "print", _
Text1.Text, _
vbNullString, vbNullString, _
SW_SHOWNORMAL


“资源管理器”
ShellExecute Me.hwnd, "explore", _
LocalDir, _
vbNullString, vbNullString, _
SW_SHOWNORMAL


打开“我的文档”
ShellExecute Me.hwnd, _
"open", "explorer", _
vbNullString, vbNullString, _
SW_SHOWNORMAL


打开“我的电脑”
' 我的电脑
' HKEY_CLASSES_ROOT\CLSID' {20D04FE0-3AEA-1069-A2D8-08002B30309D}

ShellExecute Me.hwnd, "open", _
"explorer", _
"::{20D04FE0-3AEA-1069-A2D8-08002B30309D}", _
vbNullString, SW_SHOWNORMAL


打开“网上邻居”
' 网上邻居
' HKEY_CLASSES_ROOT\CLSID' {208D2C60-3AEA-1069-A2D7-08002B30309D}

ShellExecute Me.hwnd, "open", _
"explorer", _
"::{208D2C60-3AEA-1069-A2D7-08002B30309D}", _
vbNullString, SW_SHOWNORMAL


打开“回收站”
' 回收站
' HKEY_CLASSES_ROOT\CLSID' {645FF040-5081-101B-9F08-00AA002F954E}

ShellExecute Me.hwnd, "open", _
"explorer", _
"::{645FF040-5081-101B-9F08-00AA002F954E}", _
vbNullString, SW_SHOWNORMAL


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我们可以借助于打开操作还可以完成如打开网址超链接(HTTP),启动发邮件功能(MAILTO),或启动QQ临时会话功能等.


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