In this article we show the difference between the Global.DoWaitFor
and Global.DoWaitForProperty synchronization
Let’s consider an example. We have an application that is
doing some initialization during load:
Finally, when initialization is done, the “Proceed>”
button appears on the screen:
used when there is an object that may not exist on the screen before some point
of time. In the AUT (application under test) we have a button "Proceed>>"
that is not available until the app finishes loading. So here is how we can
wait for the object:
// We are here
because DoWaitFor succeeded!
1st parameter represents an object by its Object
ID, just like it is used by the SeS() function). 2nd is
a timeout to wait for. If object is not found then DoWaitFor just
returns false without writing anything to the report.
is used when there is an object that changes its state during the process and
we need to wait for it to reach specific state. It may be progress bar or
status message. In the considered application we have a Title (WindowText) that is
visible all the time and finally it says "Ready" when the application is
So we wait for a specific value of the title, exactly what we
do via Global.DoWaitForProperty:
if(Global.DoWaitForProperty('LoadingForm', 'GetWindowText', 'Ready', 15000))
// We are here
because DoWaitForProperty succeeded:
title is now 'Ready'
Please, note that the first parameter is an Object ID,
similar to that used by DoWaitFor. The second
parameter is getter function name or action name (i.e. GetWindowText,
DoGetText or whatever is available for the given type of
object). The third parameter is the expected value that we are waiting for. The last parameter is the timeout (in milliseconds).
If the object is not present or didn’t reach required the state, the
function simply returns false after the specified timeout
without writing anything into the report.
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