You find this example project in your Plugins Download as a Xojo project file within the examples folder: /MacCG/CoreGraphics DirectDisplay/
Class App Inherits Application
Const kEditClear = "&Delete"
Const kFileQuit = "&Quit"
Const kFileQuitShortcut = ""
End Class
Class Window1 Inherits Window
EventHandler Sub Open()
#if RBVersion < 2013 then
MsgBox "This exmaple requires Xojo!"
#else
dim d as CGDisplayMBS = CGDisplayMBS.MainDisplay
// get screenshot
dim jpeg as Double = 0.9 // quality
'jpeg = -1 // disable jpeg
d.CreateImageAsync AddressOf ImageCreated, jpeg
#endif
End EventHandler
Sub ImageCreated(img as CGImageMBS, JPEGData as MemoryBlock, Tag as Variant)
Backdrop = img.Picture
End Sub
End Class
MenuBar MainMenuBar
MenuItem FileMenu = "&File"
MenuItem FileQuit = "#App.kFileQuit"
MenuItem EditMenu = "&Edit"
MenuItem EditUndo = "&Undo"
MenuItem EditSeparator1 = "-"
MenuItem EditCut = "Cu&t"
MenuItem EditCopy = "&Copy"
MenuItem EditPaste = "&Paste"
MenuItem EditClear = "#App.kEditClear"
MenuItem EditSeparator2 = "-"
MenuItem EditSelectAll = "Select &All"
End MenuBar