Option Explicit
' Schedule api's
Declare Function NetScheduleJobAdd Lib "netapi32.dll" _
(ByVal Servername As String, Buffer As Any, Jobid As Long) As Long

' Schedule structure
Type AT_INFO
    JobTime     As Long
    DaysOfMonth As Long
    DaysOfWeek  As Byte
    Flags       As Byte
    dummy       As Integer
    Command     As String
End Type

' Schedule constants
Const JOB_RUN_PERIODICALLY = &H1
Const JOB_NONINTERACTIVE = &H10
Const NERR_Success = 0

Private Sub Command1_Click()
    Dim lngWin32apiResultCode As Long
    Dim strComputerName As String
    Dim lngJobID As Long
    Dim udtAtInfo As AT_INFO
    
    ' Convert the computer name to unicode
    strComputerName = StrConv(Text1.Text, vbUnicode)
    
    ' Setup the tasks parameters
    SetStructValue udtAtInfo
    
    ' Schedule the task
    lngWin32apiResultCode = NetScheduleJobAdd(strComputerName, udtAtInfo, lngJobID)
    
    ' Check if the task was scheduled
    If lngWin32apiResultCode = NERR_Success Then
        MsgBox "Task" & lngJobID & " has been scheduled."
    End If
    
End Sub
Private Sub SetStructValue(udtAtInfo As AT_INFO)
    Dim strTime As String
    Dim strDate() As String
    Dim vntWeek() As Variant
    Dim intCounter As Integer
    Dim intWeekCounter As Integer
    
    vntWeek = Array("M", "T", "W", "TH", "F", "S", "SU")
    
    With udtAtInfo
        
        ' Change the format of the time
        strTime = Format(Text2.Text, "hh:mm")
        
        ' Change the time to one used by the api
        .JobTime = (Hour(strTime) * 3600 + Minute(strTime) * 60) * 1000
        
        ' Set the Date parameters
        If Val(Text3.Text) > 0 Then
            
            ' Set the task to run on specific days of the month i.e. 9th & 22nd of the month
            strDate = Split(Text3.Text, ",")
            For intCounter = 0 To UBound(strDate)
                .DaysOfMonth = .DaysOfMonth + 2 ^ (strDate(intCounter) - 1)
            Next
        
        Else
            
            ' Set the task to run on sepecific days of the week i.e. Monday & Thursday
            strDate = Split(Text3.Text, ",")
            For intCounter = 0 To UBound(strDate)
                For intWeekCounter = 0 To UBound(vntWeek)
                    If UCase(strDate(intCounter)) = vntWeek(intWeekCounter) Then
                        .DaysOfWeek = .DaysOfWeek + 2 ^ intWeekCounter
                        Exit For
                    End If
                Next
            Next
        End If
        
        ' Set the interactive property
        If Check1.Value = vbUnchecked Then
            .Flags = .Flags Or JOB_NONINTERACTIVE
        End If
        
        ' Set to run periodically
        If Option2.Value = True Then
            .Flags = .Flags Or JOB_RUN_PERIODICALLY
        End If
        
        ' Set the command to run
        .Command = StrConv(Text4.Text, vbUnicode)
    End With
End Sub