Visual Basic 6 is the first VB version that lets you programmatically change the DataSource property at runtime, for example to point to another ADO Data control or another ADO
Const MMSYSERR_NOERROR = 0Const MAXPNAMELEN = 32Const MIXER_LONG_NAME_CHARS = 64Const MIXER_SHORT_NAME_CHARS = 16Const MIXER_GETLINEINFOF_COMPONENTTYPE = &H3&Const MIXER_GETLINECONTROLSF_ONEBYTYPE = &H2&Const MIXER_SETCONTROLDETAILSF_VALUE = &H0&Const MIXERLINE_COMPONENTTYPE_DST_FIRST = &H0&Const MIXERLINE_COMPONENTTYPE_DST_SPEAKERS = &H4Const MIXERCONTROL_CONTROLTYPE_VOLUME =
Unlike regular LNK shortcut, which contain data in binary file, Internet shortcut files are just text files in this format: [InternetShortcut]URL=www.domain.com Thus it is simple to programmatically create an Internet
Private Declare Function mciGetErrorString Lib “winmm” Alias _ “mciGetErrorStringA” (ByVal dwError As Long, ByVal lpstrBuffer As String, _ ByVal uLength As Long) As Long’ Get the description of a MCI
Const SND_ASYNC = &H1Private Declare Function PlaySound Lib “winmm.dll” Alias “PlaySoundA” (ByVal _ lpszName As String, ByVal hModule As Long, ByVal dwFlags As Long) As Long’ Play a WAV file.”
Private Declare Function mciSendString Lib “winmm” Alias “mciSendStringA” _ (ByVal lpstrCommand As String, ByVal lpstrReturnString As String, _ ByVal uReturnLength As Long, ByVal hwndCallback As Long) As LongPrivate Declare Function
Sometimes is useful to add an icon in the Window taskbar’s status area (a.k.a. System Tray), to gain a better interaction between the user and your application. The only API
Private Declare Function mciSendString Lib “winmm” Alias “mciSendStringA” _ (ByVal lpstrCommand As String, ByVal lpstrReturnString As String, _ ByVal uReturnLength As Long, ByVal hwndCallback As Long) As LongPrivate Declare Function
If you want to prevent the user from closing a form by using Alt+F4 or by clicking on the “X” button in the upper-right corner you just need to write