vb如何判断HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\TrayNotify\ 存在？

答案:2 悬赏:70 手机版

解决时间 2021-02-24 20:15

提问者网友：情歌越听越心酸
2021-02-23 23:22

zxx1173的方法提示未定义变量

最佳答案

五星知识达人网友：我住北渡口
2021-02-23 23:59

你好！

用访问注册表的api函数

如有疑问，请追问。

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1楼网友：持酒劝斜阳
2021-02-24 00:43

Private Declare Function RegCreateKey Lib "advapi32.dll" Alias "RegCreateKeyA" (ByVal hKey As Long, ByVal lpSubKey As String, phkResult As Long) As Long Private Declare Function RegOpenKey Lib "advapi32.dll" Alias "RegOpenKeyA" (ByVal hKey As Long, ByVal lpSubKey As String, phkResult As Long) As Long Private Declare Function RegCloseKey Lib "advapi32.dll" (ByVal hKey As Long) As Long Private Sub Command1_Click() Dim handle As Long If RegOpenKey(HKEY_CURRENT_USER, "Software\Microsoft\Windows\CurrentVersion\Explorer\TrayNotify", handle) <> 0 Then ' 不存在时 Else ' 存在时 End If RegCloseKey handle End Sub ' 定义常量 Const HKEY_LOCAL_MACHINE = &H80000002 Const HKEY_CURRENT_USER = &H80000001 Const REG_SZ = 1 Const REG_DWORD = 4

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