Option Explicit Private Declare Function APIBeep Lib "kernel32" Alias "Beep" (ByVal dwFreq As Long, ByVal dwDuration As Long) As LongPrivate Sub Command1_Click() Dim frequency As Long, sylong As Long frequency = CLng(1000) sylong = CLng(500) APIBeep frequency, sylong End Sub
Beep 语句示例 本示例使用 Beep 语句让计算机连续响三声。Dim I For I = 1 To 3 ' 循环 3 次。 Beep ' 发出一声。 Next I
Private Declare Function APIBeep Lib "kernel32" Alias "Beep" (ByVal dwFreq As Long, ByVal dwDuration As Long) As LongPrivate Sub Command1_Click() Dim i As Long For i = 1 To 255 APIBeep i, i Next End Sub 发出255种声音,还可以更多:)
Private Declare Function APIBeep Lib "kernel32" Alias "Beep" (ByVal dwFreq As Long, ByVal dwDuration As Long) As LongPrivate Sub Command1_Click()
Dim frequency As Long, sylong As Long
frequency = CLng(1000)
sylong = CLng(500)
APIBeep frequency, sylong
End Sub
通过计算机喇叭发出一个声调。语法Beep说明呼叫的频率与时间长短取决于硬件和系统软件,并随电脑不同而不同。.
本示例使用 Beep 语句让计算机连续响三声。Dim I
For I = 1 To 3 ' 循环 3 次。
Beep ' 发出一声。
Next I
Dim i As Long
For i = 1 To 255
APIBeep i, i
Next
End Sub
发出255种声音,还可以更多:)