思路方法 使用F1键:
这种思路方法最简单只需如下代码即可:
Private Sub Form_Load
App.HelpFile = app.path & "\help.chm" '和主同目录下help.chm帮助文件按F1键
End Sub
思路方法 2 使用SendKeys思路方法:
Private Sub Form_Load
App.HelpFile = app.path & "\help.chm"
End Sub
private Sub CmdHelp_Click
SendKeys "{F1}" '发送击键到活动窗口
End Sub
思路方法 3 使用Shell:
private Sub CmdHelp_Click
Shell "hh.exe help.chm", vbNormalFocus 'help.chm为指定帮助文件可包含路径
End Sub
思路方法 4 使用HtmlHelp:
先声明如下API:
Option Explicit
Private Declare Function HtmlHelpA Lib "hhctrl.ocx" (ByVal hwndCaller As Long, ByVal pszFile As String, ByVal uCommand As Long, ByVal dwData As Long) As Long
'hwndCaller指定者窗口pszFile指定要文件uCommand是发送给 HtmlHelp命令dwData是uCommand参数
然后在过程中:
private Sub CmdHelp_Click
dim i as
i = app.path & "\help.chm" '用变量i记录和主同目录下help.chm帮助文件
HtmlHelpA Form1.hWnd, i, 0, 0
End Sub
思路方法 5 使用ShellExecute:
先声明如下API:
Option Explicit
'声明API用于异步打开个文档
Private 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
Private Const SW_SHOWNORMAL = 1
然后在过程中:
private Sub CmdHelp_Click
dim a as long
Dim b As String
b = App.Path & "\help.chm" '用变量b记录和主同目录下help.chm帮助文件
a = ShellExecute (0, "open", b, "", "", SW_SHOWNORMAL)
End Sub
以上 5种思路方法各有优缺点从代码简单上讲建议使用第 2种思路方法从功能上讲建议使用第 5种思路方法因其不只用于打开CHM帮助文件还可用同样格式打开、打印或查找个文件或文档(参见该API介绍说明资料)
最新评论