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Tip Bank > Web Development > Multimedia Processing

Multimedia Processing - Page 2

Multimedia Formats
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Produce Shrinking Text
by Michael Unger
Use this code to get the shrinking text effect—similar to the opening of Star ...
Load UI Graphics From the Resource File
by Jishnu Bhattacharya
Many VB programmers haven't harnessed the power of VB6's resource editor. They still use traditional LoadPicture or other primitive calls to load bitmaps and icons. Before VB5, loading pictures into ...
Use Screen-Saver Passwords
by Marco Bellinaso
When you write a screen saver in C and the Windows SDK, a static library (SCRNSAVE.lib) allows you to create custom dialogs to change and request the password. But in VB you can't use this library. ...
GetMCIErrorString - Get a description of an MCI error
by Alberto Falossi
Get the description of a MCI error. ErrorCode is the code of the error Return a string with the description of the error.
PlayAVIAudioOFF - Play an AVI file without the audio track
by Alberto Falossi
Play an AVI file synchronously without the audio track. FileName is a string containing the full path of the file.
PlayAVIPictureBox - Play an AVI file in a PictureBox
by Alberto Falossi
Play an AVI file in a PictureBox synchronously. FileName is a string containing the full path of the file. Window is the PictureBox in which you want that the movie is played; the movie is automatically resized to the picture box
PlayAVIVideoOFF - Play only the audio track of an AVI file
by Alberto Falossi
Play the audio track of an AVI file. FileName is a string containing the full path of the file.
PlayWAV - Play a WAV file
by Alberto Falossi
Play a WAV file. FileName is a string containing the full path of the file. If SyncExec is True, the sound is played synchronously Returns True if no errors occurred
SetVolume - Set the master volume level
by Alberto Falossi
Set the master volume level. VolumeLevel is the level value in percentage (0 = min, 100 = max) Returns True if successful
Random Pictures
by DevX Pro
How would I get a different picture to pop up every 3 seconds in a different position?
Display and Save a Grahic
by DevX Pro
I have an application in which I have to enter employee info and save their photo. I can do that if I use a data control and bound control like Picture Box or OLE Control. I would like to do the same thing using DAO, ADO or RDO. Can it be done?
Play a CD Audio track
by Alberto Falossi
If you want to play a track of an audio CD from VB you can use MCI functions. The main MCI function is mciSendString, that sends command strings to the system and execute them: Declare Function mciSendString Lib "winmm" Alias "mciSendStringA" (ByVal lpstrCommand As String, ...
Play a MIDI file
by Alberto Falossi
If you want to play a MIDI file from VB you have to use MCI functions. The main MCI function is mciSendString, that sends command strings to the system and execute them: Declare Function mciSendString Lib "winmm" Alias "mciSendStringA" (ByVal lpstrCommand As String, ByVal ...
Play an AVI movie
by Alberto Falossi
If you want to play an AVI movie from VB you can use MCI functions. The main MCI function is mciSendString, that sends command strings to the system and execute them: Declare Function mciSendString Lib "winmm" Alias "mciSendStringA" (ByVal lpstrCommand As String, ByVal ...
Play an AVI movie in a PictureBox control
by Alberto Falossi
With MCI functions you can play an AVI movie into a PictureBox. All you need to do is open the file with a special procedure: Declare Function mciSendString Lib "winmm" Alias "mciSendStringA" (ByVal lpstrCommand As String, ByVal lpstrReturnString As String, ByVal uReturnLength As ...
Record a WAV file
by Alberto Falossi
You can use MCI functions if you want to record a WAV file. The main MCI function is mciSendString, that sends command strings to the system and execute them. Declare Function mciSendString Lib "winmm" Alias "mciSendStringA" (ByVal lpstrCommand As String, ByVal lp
Retrieve the size of an AVI movie
by Alberto Falossi
To retrieve the original size of an AVI file that you've already opened with the mciSendString API function you can use this command Dim RetString As String RetString = Space$(256) CommandString = "where AVIFile destination" RetVal = mciSendString(CommandString, RetString, ...
Check whether a sound card exists
by Marco Bellinaso
If you are developing a game in VB or an application that plays sounds, you probably want to check that a sound card actually exists. There is an API function that does this, and returns the number of sound cards installed in the system. Therefore, a return value of zero means that no devices ...
MCI Supports Multiple CD-ROMs
by Matt Hart
The Media Control Interface (MCI) can easily support multiple CD audio devices.
Accessing graphics file from VB
by DevX Pro
I need to store thumbnail graphics in an Access database (as an OLE object?) and be able to display the columns including the graphic in a table or grid. Ultimately this database will be used in an Intranet site. I cannot determine how to view the graphic. The getChunk commands seems like a lot of work with a great chance for failure. An OCX might work, but I don't need to "play" with the graphic--just show it. Thanks Jdr
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