在Windows 9X中,增加了一个全新的概念--“属性”,每个对象都拥有自己的“属性”,在“属性”窗口里是关于对象的详细描述,并且不同的对象“属性”窗口的说明是不同的。我们可以用ShellExecuteEX函数直接调用“属性”标准窗口。下面的程序功能相当于用鼠标右键单击根目录下的“Autoexec.bat”并选择“属性”时,弹出的标准“属性”窗口。 程序的编写 1.首先运行VB,然后新建一个标准工程,然后利用“工具箱”在Form1窗体中加入一个命令按钮对象,将该命令按钮属性中的Caption值定义为“属性按钮”。完成之后双击该按钮,在代码输入框中输入以下代码: Private Sub Command1_Click() Dim r As Long Dim FileName As String FileName = "c:\autoexec.bat" r=ShowProperties(FileName,Me.hwnd) If r< =32 Then MsgBox "Error! NO c:\autoexec.bat File" End SuB 2.然后用鼠标右击窗体,选择右键菜单中的“添加/添加模块”选项,然后在出现的选择框中选择“模块”类型,接着在出现的模块代码输入框中加入以下代码: '通用声明 Option Explicit Type SHELLEXECUTEINFO cbSize As long Fmask As Long hwnd As Long lpVerb As String lpFile As String lpParameters As String lpDirectory As String nShow As Long hInstApp As Long lpIDList As Long lpClass As String hkeyClass As Long dwHotKey As Long hIcon As Long hProcess As Long End Type Public Const SEE_MASK_INVOKEIDLIST = &HC Public Const SESE_MASK_NOCLOSEPROCESS=&H40 Public Const SEE_MASK_FLAG_NO_UI = &H400 Declare Function ShellExecuteEX Lib "shell32.dll" Alias "ShellExecuteEx" (SEI As SHELLEXECUTEINFO) As Long 'ShowProperties过程 Public Function ShowProperties(FileName As String, OwnerhWnd As Long) As Long Dim SEI AS SHELLEXECUTEINFO Dim r As Long With SEI .cbSize = Len(SEI) .fMask = SEE_MASK_NOCLOSEPROCESS Or SEE_MASK_INVOKEIDLIST Or SEE_MASK_FLAG_NO_UI .hwnd = OwnerhWnd .lpVerb = "properties" .lpFile = FileName .lpParameters = vbNullChar .lpDirectory = vbNullChar .nShow = 0 .hInstApp = 0 .lpIDList = 0 End With r = ShellExecuteEX(SEI) ShowProperties = SEI.hInstApp End Function 程序的执行 程序输入完成后,点击VB“运行”菜单中的“启动”或“全面编译”命令,点击“属性按钮”按钮,即可查看C:\AUTOEXEC.BAT的属性。
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