How to listen to System-wide Open and Save Panel Events?
Is there any way to listen for system-side open and save panel events and respond to it, similar to how Default Folder X does it? Does this require private APIs or runtime code replacement? Or can it be done using publicly available APIs?

![enter image description here][1]


  [1]: http://i.stack.imgur.com/zrKPe.png
How to listen to System-wide Open and Save Panel Events?
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Is there any way to listen for system-side open and save panel events and respond to it, similar to how Default Folder X does it? Does this require private APIs or runtime code replacement? Or can it be done using publicly available APIs?

![enter image description here][1]


  [1]: http://i.stack.imgur.com/zrKPe.png