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Данный пример покажет, как можно связать файлы с расширением .BAR с вашим приложением. В моем случае - это приложение для редактирования текстовых файлов.
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 RegSetValue Lib "advapi32.dll" Alias
"RegSetValueA" (ByVal hKey As Long, ByVal lpSubKey As String, ByVal dwType As
Long, ByVal lpData As String, ByVal cbData As Long) As Long
' Return codes from Registration functions.
Const ERROR_SUCCESS = 0&
Const ERROR_BADDB = 1&
Const ERROR_BADKEY = 2&
Const ERROR_CANTOPEN = 3&
Const ERROR_CANTREAD = 4&
Const ERROR_CANTWRITE = 5&
Const ERROR_OUTOFMEMORY = 6&
Const ERROR_INVALID_PARAMETER = 7&
Const ERROR_ACCESS_DENIED = 8&
Private Const HKEY_CLASSES_ROOT = &H80000000
Private Const MAX_PATH = 260&
Private Const REG_SZ = 1
Private Sub Command1_Click()
Dim sKeyName As String
Dim sKeyValue As String
Dim ret&
Dim lphKey&
'Создание ключа "MyApp".
sKeyName = "MyApp"
sKeyValue = "My Application"
ret& = RegCreateKey&(HKEY_CLASSES_ROOT, sKeyName, lphKey&)
ret& = RegSetValue&(lphKey&, "", REG_SZ, sKeyValue, 0&)
'Создание ключа, связанного с "MyApp".
sKeyName = ".BAR"
sKeyValue = "MyApp"
ret& = RegCreateKey&(HKEY_CLASSES_ROOT, sKeyName, lphKey&)
ret& = RegSetValue&(lphKey&, "", REG_SZ, sKeyValue, 0&)
'Коммандная линия для приложения"MyApp".
sKeyName = "MyApp"
sKeyValue = "D:\Basic\MyProjects\SharPad\SharPad.exe %1"
ret& = RegCreateKey&(HKEY_CLASSES_ROOT, sKeyName, lphKey&)
ret& = RegSetValue&(lphKey&, "shell\open\command", REG_SZ,
sKeyValue, MAX_PATH)
End Sub
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