Option Explicit
Private intNum1 As Integer, intNum2 As Integer, intNum3 As Integer
Private intTries As Integer
Private intMaxNumber As Integer


Private Sub cmbGenerateNumbers_Click()
intTries = 0

'This is for when the user does not enter a maximum number to generate

If intMaxNumber = 0 Then
    intNum1 = 4 * Rnd + 1
    intNum2 = 4 * Rnd + 1
    intNum3 = 4 * Rnd + 1

    Do While intNum1 = intNum2 Or intNum1 = intNum3 Or intNum2 = intNum3
    
        intTries = intTries + 1
    
        intNum1 = 4 * Rnd + 1                                              'Generate random number between one and three
        intNum2 = 4 * Rnd + 1                                              'Generate random number between one and three
        intNum3 = 4 * Rnd + 1                                              'Generate random number between one and three
    Loop
    lblTriesMessage.Caption = "Number of loop iterations it took to generate three unique numbers between 1 and 5"
'This is for when the user enters a maximum number to generate

Else
    intNum1 = (intMaxNumber - 1) * Rnd + 1
    intNum2 = (intMaxNumber - 1) * Rnd + 1
    intNum3 = (intMaxNumber - 1) * Rnd + 1
    
    
    Do While intNum1 = intNum2 Or intNum1 = intNum3 Or intNum2 = intNum3
    
        intTries = intTries + 1                                            'Initialize counter
    
        intNum1 = (intMaxNumber - 1) * Rnd + 1                             'Generate random number between one and the users' entered max number
        intNum2 = (intMaxNumber - 1) * Rnd + 1                             'Generate random number between one and the users' entered max number
        intNum3 = (intMaxNumber - 1) * Rnd + 1                             'Generate random number between one and the users' entered max number
    Loop
    lblTriesMessage.Caption = "Number of loop iterations it took to generate three unique numbers between 1 and " & intMaxNumber
End If

lblNum1.Caption = intNum1
lblNum2.Caption = intNum2
lblNum3.Caption = intNum3
lblTries.Caption = intTries
End Sub

Private Sub cmdDone_Click()
Unload Me
End Sub

Private Sub cmdMaxNumber_Click()
intMaxNumber = InputBox("Enter max number to generate", "Max number")
End Sub

Private Sub Form_Load()
Randomize


lblNum1.FontSize = 24
lblNum2.FontSize = 24
lblNum3.FontSize = 24
End Sub