Any way to make a macro wait until a string changes?

[hotbread]

Hi guys... this is my first post here, and just wondering if you can help me with a problem.

I'm wanting to have a macro act as soon as a string (or character) on the screen changes. Similar to the WaitForString concept, but rather than waiting for a particular string, I want it to wait until the specified string changes. Is there a way to do this?

I tried....
If Not Sess0.Screen.WaitForString(x,23,1)

But this didn't work - because the screen always began with the x string at location 23,1 the above line returned False immediately, without waiting for the change.

I also tried...
If Sess0.Screen.WaitForString(Not x,23,1)

But this was just a guess on my part and didn't work!

Any suggestions would be very appreciated!

 

[calculus]

Use a loop:

Do while Sess0.Screen.GetString(23,1) = x
doevents
Loop

When the loop exits it's because the string changed.

Be careful with infinite loops, they can cause a program to hang. You may want to put a counter in the loop to give an error if the string hasn't changed in 10000 tries or so.

calculus

 

[IknowMe]

Stemp = Sess0.Screen.GetString(x,21,1)
began = timer
Same = True

Do 
  DoEvents ' stops pc fan from helicoptering 
  If Stemp <> Sess0.Screen.GetString(x,21,1) then Same = False
loop until not Same or timer - began => 10

'waits for change in vairable or 10 seconds whichever comes first

Loop with 10 second TimeOut

 

[hotbread]

Thanks very much for your help calculus & MgWills..... great suggestions that I intend to try as soon as I get to work!

 

[SkipVought]

Hi,

In the code that I have inherited, I have seen this...

datarefreshed = MyScrn.[b]waitforcursor(3, 17)[/b]
If datarefreshed then
...

Skip,

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