VB6.0 直接打印 PDF

Private Declare Function ShellExecuteEx Lib "shell32.dll" Alias "ShellExecuteExA" (lpExecInfo As SHELLEXECUTEINFO) As Long

Private 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

Private Sub Command1_Click()
    Dim RetVal As Long
    Dim ShExInfo As SHELLEXECUTEINFO
   
    With ShExInfo
        .cbSize = Len(ShExInfo)
        .fMask = &H40
        .hwnd = 0
        .lpVerb = "print"
        .lpFile = "C:\Users\business47\Desktop\FR-A-126-01周末工作记录单.pdf"
        .lpParameters = ""
        .lpDirectory = vbNullChar
        .nShow = 0
    End With
   
    RetVal = ShellExecuteEx(ShExInfo)
   
    If RetVal = 0 Then
        Exit Sub
    End If
End Sub