How to show file type drop-down for for NSSavePanel?

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Created Jan ’21

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I am wanting to show a drop-down for the file types that the user can use during save, but I am not sure how. Below is an extract of the Swift code I am using to display the save dialogue:

Code Block swiftlet panel = NSSavePanel()
panel.allowedFileTypes = ["jpg", "jpeg", "png"];
panel.nameFieldStringValue = String(format: "Image %@ at %@.jpg", date, time);
panel.beginSheetModal(for: self.window) { (result) in
  if (result == NSApplication.ModalResponse.OK) {
    // Handle file save here
  }
}

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Answer 1

OOPer OP

Jan ’21

You may need to use accessoryView.

You can fins some articles searching with nssavepanel accessoryview sample code.
If you do not mind description in Japanese, this site has some codes in Swift:
qiita.com/hanamiju/items/d10524e8650ae171fa2e

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