FILE: Playwave.exe Demonstrates How To Play a Sound File

• Microsoft Visual Basic Learning, Professional, and Enterprise Editions for Windows, versions 5.0, 6.0

SUMMARY

PLAYWAVE.EXE is a self-extracting compressed file that demonstrates how to play uncompressed sound files in your Visual Basic program. The sample also displays the wave data graphically. The project also demonstrates how to use some of the multimedia API functions.

MORE INFORMATION

The following file is available for download from the Microsoft Software Library:

~ Playwave.exe

For more information about downloading files from the Microsoft Software Library, please see the following article in the Microsoft Knowledge Base:

Q119591 : How to Obtain Microsoft Support Files from Online Services

• Form1.frm (5Kb)



• Form2.frm (4Kb)



• Module1.bas (9Kb)



• PlayWave.vbp (1Kb)



• PlayWave.vbw (1Kb)



• Readme.txt - Contains some of the same information as this article.

To Run the Sample Project

1. Open the project in Visual Basic.



2. On the Run menu, click Start or press the F5 key to start the program.



3. From the Main Form, click File to open a common dialog control. Select an uncompressed sound file. The sound file data appears in the WaveForm Picture Form.



4. To play the file, click Play on the Main form. To play the file from a different starting or ending point, use the scroll bars to set the start or end points and then click play.
   
   NOTE: The sound file is loaded into memory rather than being read from disk. Large sound files can use a significant amount of memory.

REFERENCES

For more information about using the multimedia API functions, please see the following topics in the Platform SDK documentation:

• Multimedia Reference



• WaveForm Audio



• WaveForm Functions

• Memory Management Functions

  GlobalAlloc
  GlobalLock
  GlobalFree Lib




• Multimedia Functions

  mmioAscend
  mmioClose
  mmioDescend
  mmioDescendParent
  mmioOpen
  mmioRead
  mmioReadFormat
  mmioStringToFOURCC
  
  waveOutAddBuffer
  waveOutClose
  waveOutGetDevCaps
  waveOutGetNumDevs
  waveOutOpen
  waveOutPrepareHeader
  waveOutReset
  waveOutStart
  waveOutStop
  waveOutUnprepareHeader
  waveOutWrite

Additional query words: kbsample kbVBp500 kbVBp600 kbVBp kbdsd kbDSupport

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Version           : 
Platform          : WINDOWS 
Issue type        : 

Last Reviewed: May 12, 1999