This command has a similar behavior than the Window Data Type. It allows you to make a call to a modal pop-up window, which means that it blocks the parent application until the user closes it in any way. It can only be used in transaction and Web Panel events.
- PopUp(GeneXusWebObject, params)
The fourth button in the lower window, which is a transaction, displays all the airlines to which the on-duty crew member has been associated with. This button is associated with a user event and is programmed as follows (method style):
This is the equivalent of the following code (command style):
Pop-up windows can be manually resized from their lower right corner.
Note: When opening many PopUps in the same screen, only the last one called is showed. This means only one PopUp is show at once.
Note #2: When you call a Popup with the GET method, you don´t have control about the maximum URL length. Each browser solves it differently: