Introduction to Modal Dialogs
What is a "modal dialog"?
When we talk about dialogs we’re actually talking about windows in the FileMaker sense.
They could be a card window, or they could be a regular dialog window, or even a floating window or FileMakers own modal window style.
Modal refers to a window state where the window cannot be dismissed without the user explicitly making a decision that will lead to the closing of that window.
Read more on the blog
(with sample file)