Use the captureimage () event of MX. Graphics. imagesnapshot In Flex to obtain the screenshot

Example of how to use the captureimage () event of MX. Graphics. imagesnapshot In Flex

1. <? XML version = "1.0"?>
2. <Mx: Application xmlns: MX = "http://www.adobe.com/2006/mxml"
3. Layout = "vertical"
4. Verticalalign = "Middle"
5. Backgroundcolor = "white">
7. <Mx: SCRIPT>
8. <! [CDATA [
9. Import MX. Events. itemclickevent;
10. Import MX. Controls. tabbarclasses. tab;
12. Private function tabbar_creationcomplete (): void {
13. VaR colorarr: array = ["red", "haloorange", "yellow", "halogreen", "haloblue"];
14. VaR color: string;
15. VaR tab: tab;
16. VaR idx: uint;
17. VaR Len: uint = tabbar. dataprovider. length;
19. For (idx = 0; idx <Len; idx ++ ){
20. VaR I: Int = idx % colorarr. length;
21. Color = colorarr [I];
22. Tab = tab (tabbar. getchildat (idx ));
23. Tab. setstyle ("fillcolors", [color, "White"]);
24. Tab. setstyle ("fillalphas", [1.0, 1.0]);
25. Tab. setstyle ("backgroundcolor", color );
26. }
27. }
29. Private function tabbar_itemclick (EVT: itemclickevent): void {
30. Viewstack. selectedindex = EVT. index;
31. }
32. ]>
33. </MX: SCRIPT>
35. <Mx: array id = "arr">
36. <Mx: Object Label = "red"/>
37. <Mx: Object Label = "orange"/>
38. <Mx: Object Label = "yellow"/>
39. <Mx: Object Label = "green"/>
40. <Mx: Object Label = "blue"/>
41. </MX: array>
43. <Mx: tabbar id = "tabbar"
44. Dataprovider = "{arr }"
45. Creationcomplete = "tabbar_creationcomplete ();"
46. Itemclick = "tabbar_itemclick (event);"/>
48. <Mx: viewstack id = "viewstack"
49. Width = "{tabbar. Width }"
50. Stylename = "plain">
51. <Mx: vbox id = "redvbox" width = "100%" Height = "100">
52. <Mx: Label text = "Red vbox"/>
53. </MX: vbox>
54. <Mx: vbox id = "orangevbox" width = "100%" Height = "100">
55. <Mx: Label text = "Orange vbox"/>
56. </MX: vbox>
57. <Mx: vbox id = "yellowvbox" width = "100%" Height = "100">
58. <Mx: Label text = "Yellow vbox"/>
59. </MX: vbox>
60. <Mx: vbox id = "greenvbox" width = "100%" Height = "100">
61. <Mx: Label text = "Green vbox"/>
62. </MX: vbox>
63. <Mx: vbox id = "bluevbox" width = "100%" Height = "100">
64. <Mx: Label text = "Blue vbox"/>
65. </MX: vbox>
66. </MX: viewstack>
68. </MX: Application>

 

Image Description: The picture is displayed on the right.