Problems with OpenProcess

[Craftor]

Hello again brainy people

I am using an app that calls the Shell command to open a program. It then gets a value returned from the Shell function and uses that to call the OpenProcess API. It then gets a return value by calling the WaitForSingleObject API. The thing is, I need to change the way this program is called - the user must be able to do some processing with the app called in the shell command. I can't find a lot of helpful info on MSDN on this so PLEASE HELP!!

Just let me know if this is too vague and you need the code. Help would REALLY be appreciated as this is quite urgent.

Thanks everyone!

Craftor

 

[Naftali]

Hi Craftor,

The OpenProcess function is used usually, when you want your application to wait until the program that you called with the Shell function finishes.

It should look like this:

Private Const SYNCHRONIZED = &H100000
Private Const INFINITE = &HFFFFFFFF

Dim taskID As Long
Dim pTaskId As Long

taskID = Shell("Command line&quot
If taskID <> 0 Then
pTaskId = OpenProcess(SYNCHRONIZED, 0, taskID)
If pTaskId <> 0 Then
DoEvents
WaitForSingleObject pTaskId, INFINITE
CloseHandle pTaskId
DoEvents
End If
End If

I couldn't figure out exactly what's your problem (maybe you are missing the DoEvents?) - let me know if it helped or is the problem still there.

Regards,

Naftali.

 

[Craftor]

Hi Naftali

Thanks but this did not solve the problem - I have found that it is a problem with the app I am calling in Shell. But thanks anyway!!!

Craftor