how can make a message (please wait) which disappear when the screen open.

how can i do that : 

1 - when i click a button a picture become visible and after some second disappear

2 - some screens need some seconds to be open. how can make a message (please wait) which disappear when the screen open.

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1. Please Wait method by Scott

2. move all blocks from Screen.Initialize into a procedure, in the Screen.Initialize event display a Notifier.Alert message and start a clock following Scott's example above

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You could have a label saying "please wait" which you make visible before you open another screen. It will of course go away when the other screen is opened. When you return to the previous screen you should make the label invisible again. How depends on your way of managing screens. If you always close a screen after opening the next one, you should make the label invisible at screen.initialize, otherwise a return value should indicate that the message should disappear.
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You could also use the Notifier Progress Dialog, which will give you a spinning circle while your user waits (remember to set a way to close it!)

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thank you so much. that is what i was looking for

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