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July 15th, 2001, 08:05 AM
#1
Activating two commands using same command button
I need to open and close CD door using same command button. If cd door is close then eject it else close it. Like in Windows CD Player. Any ideas.
I know how to open or close the cd door but how do I check whether it is open or close?
Thanks,
Simon
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July 20th, 2001, 06:21 PM
#2
Re: Activating two commands using same command button
Maybe im off on this, but i belive your looking for
dim isOpen as (whatever the open/closecd functions return)
isOpen = openCD()
if isOpen = False(or whatever the negative return) then
openCD()
Else
closeCD()
End If
Just a shot in the dark without knowing the exact functions...
Xanth Nomeda
[email protected]
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July 20th, 2001, 09:16 PM
#3
Re: Activating two commands using same command button
I've almost done it. I tried to make it perfect but after several hours of hard work I simply couldn't. I've decided to have a look at it again at the end of the project. Since you are willing to work at it. I'll give my almost perfect code.
Add a class module and put these functions;
public Function EjectOpenCD()
'eject the CD door
mciSendString "set cd door open", 0, 0, 0
End Function
public Function EjectCloseCD()
'close the CD door
mciSendString "set cd door closed", 0, 0, 0
End Function
Add this in code of the form.
option Explicit
Dim snd as clsCDPlayer
Dim DoorOpen as Boolean
private Sub cmdEject_Click()
'eject/close CD door
If DoorOpen = true then
snd.EjectCloseCD
DoorOpen = false
Exit Sub
else
snd.EjectOpenCD
End If
DoorOpen = true
End Sub
private Sub Form_Load()
set snd = new clsCDPlayer 'clsCDPlayer = name of the class module
End Sub
This code works but there is a bug.
Open the cd door by clicking eject button in the CD-ROM itself. Now run the program(cdplayer) and click eject button to close the cd door. It won't close it unless you click it twice. Now the problem is how do I check whether the cd door is opened or not at form_load event.
Best of luck!
Simon
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July 22nd, 2001, 02:56 PM
#4
Re: Activating two commands using same command button
maybe try finding the right mci command string like status or info or monitor etc. you can find the help in msdn on the label of mci command strings
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