TrayItem.Handle
From Xojo Documentation
Read-Only Property (As Ptr )
 |
This property is only available on Windows and Linux platforms. For cross-platform compatibility, use ＃If...＃Endif with the Target... specifiers to make sure you will not attempt to use this property on an incompatible platform. |
Returns the window handle that the TrayItem belongs to on Windows and the GtkStatusIcon widget on Linux. On Windows, the first TrayItem has a ID of 1000 and subsequent adds will increment this ID.