字母金字塔.frm

Visual Basic课程举例1 有很好的例题

VERSION 5.00
Begin VB.Form Form1 
   Caption         =   "Form1"
   ClientHeight    =   4980
   ClientLeft      =   60
   ClientTop       =   345
   ClientWidth     =   4875
   LinkTopic       =   "Form1"
   ScaleHeight     =   4980
   ScaleWidth      =   4875
   StartUpPosition =   3  '窗口缺省
   Begin VB.CommandButton Command1 
      Caption         =   "字母金字塔"
      Height          =   375
      Left            =   0
      TabIndex        =   0
      Top             =   0
      Width           =   1215
   End
End
Attribute VB_Name = "Form1"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Private Sub Command1_Click()

    OutTri ("Z")

End Sub

Sub OutTri(Ch As String)
    L = Asc(Ch) - 65
    For I = 0 To L
        S = S & Chr(65 + I)
    Next I
    S = S & Mid(StrReverse(S), 2)
    For I = 1 To L + 1
        Print Space(L - I + 2) & Left(S, I) & Right(S, I - 1)
    Next I
End Sub