VB編程實(shí)用精典小技巧3例

字號(hào):

一、利用API 獲取窗口的標(biāo)題
    新建窗體Form1和按鈕Command1 ぴ詿疤迥?櫓刑砑尤縵麓 碼:
    Option Explicit
    Private Declare Function Get WindowText Lib "us—
    er32"Alias "Get WindowTextA"(ByVal hwnd As
    Long ,ByVal lpString As String ,ByVal cch As
    Long)As Long
    '在窗體聲明節(jié)中加入API 函數(shù)“Get WindowText”的說明
    '函數(shù)將向lpstring 中載入要獲得的窗體caption
    Private Sub Command1_Click()
    Di mreturncode As Long
    Di mcaptext As String
    Di mcaplen As Long
    captext =String$(100,0)
    caplen =99
    returncode =Get WindowText(ByVal me .hwnd ,
    ByVal captext ,ByVal caplen)
    print returncode
    Print captext
    Print caplen
    End Sub