sendmessage_gettext.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         =   "Form1"
   ClientHeight    =   3195
   ClientLeft      =   60
   ClientTop       =   345
   ClientWidth     =   4680
   LinkTopic       =   "Form1"
   ScaleHeight     =   3195
   ScaleWidth      =   4680
   StartUpPosition =   3  'Windows Default
   Begin VB.TextBox Text1 
      Height          =   270
      Left            =   1080
      TabIndex        =   1
      Top             =   772
      Width           =   3015
   End
   Begin VB.CommandButton Command1 
      Caption         =   "读取窗口标题"
      Height          =   495
      Left            =   1320
      TabIndex        =   0
      Top             =   1440
      Width           =   2175
   End
   Begin VB.Label Label1 
      AutoSize        =   -1  'True
      Caption         =   "窗口标题:"
      Height          =   180
      Left            =   240
      TabIndex        =   2
      Top             =   816
      Width           =   816
   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 Command1_Click()
    Dim S As String
    
    S = String(80, Chr(0))
    SendMessage Me.hwnd, WM_GETTEXT, Len(S), ByVal S
    
    Text1.Text = Left(S, InStr(S, Chr(0)) - 1)
End Sub