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 Sub Command1_Click()
ShellExecute Me.hwnd, "Open", "C:\Downloads\大连实德门业查询系统设计方案.doc", vbNullString, vbNullString, 0
End Sub