单击文本框获取单击位置.frm

个人VB学习源码精选,自己学习时的一些编程小程序,希望对大家有帮助

VERSION 5.00
Begin VB.Form Form1 
   Caption         =   "CharPos.vbp"
   ClientHeight    =   2115
   ClientLeft      =   60
   ClientTop       =   345
   ClientWidth     =   5100
   LinkTopic       =   "Form1"
   ScaleHeight     =   141
   ScaleMode       =   3  'Pixel
   ScaleWidth      =   340
   StartUpPosition =   3  'Windows Default
   Begin VB.TextBox Text1 
      BeginProperty Font 
         Name            =   "MS Serif"
         Size            =   12
         Charset         =   0
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   1815
      Left            =   240
      MultiLine       =   -1  'True
      ScrollBars      =   2  'Vertical
      TabIndex        =   0
      Text            =   "单击文本框获取单击位置.frx":0000
      Top             =   120
      Width           =   4695
   End
End
Attribute VB_Name = "Form1"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Option Explicit

Private Sub Text1_MouseDown(Button As Integer, Shift As Integer, x As Single, y As Single)
    Dim pos As Long, lc As Long
    Dim Line As Integer, CharPos As Integer
    
    x = x / Screen.TwipsPerPixelX
    y = y / Screen.TwipsPerPixelY
    pos = x + y * 65536
    lc = SendMessage(Text1.hwnd, EM_CHARFROMPOS, 0, ByVal pos)
    
    Line = lc \ 65536
    CharPos = lc Mod 65536
    
    MsgBox "