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dev build 200709040000 CTRL-PageUp/PageDown should move between snapshot tabs as opposed to moving between "Memory Results", "Allocation Stack Traces" and "Info" found at the bottom of a snapshot tab. The reason being that it is far more useful to quickly toggle back and forth between two different snapshots (layman's diff) than it is to navigate along the bottom tabs. I am aware of the "compare two different snapshots" option but it is insufficient because it doesn't allow me to view the stack-traces associated with the diff. That is, if I see extra memory being allocated in snapshot2 I want to view the stack-trace for that allocation. Fixing the latter issue would reduce the need for the keyboard shortcut though I still think the shortcut should remain bound to the top tabs than the bottom ones.
This is actually quite serious usability bug. Ctrl+PAGE_UP/DOWN is used for swiching (editor area) tabs, Ctlr+Alt+PAGE_UP/DOWN is used for switching nested/inner tabs. Some profiler windows (not only memory snapshots) are currently breaking this rule. Fixed for Beta2.
Verified with 200710071200