• Delete: the Delete key deletes the current selection
• Select All: Ctrl-A selects all selectable document objects
• Copy, Cut, Paste: The Ctrl-C, Ctrl-Insert, Ctrl-X, Shift-Delete, Ctrl-V, and Shift-Insert keys do the standard clipboard operations
• Edit: the F2 key starts in-place editing of the current node's text label
• PageDown, PageUp: The PageDown and PageUp keys scroll vertically; Shift-PageDown and Shift-PageUp scroll horizontally
• Home, End: the Home and End keys scroll to the left side and right sides of the document; Ctrl-Home and Ctrl-End scroll to the top-left and bottom-right corners of the document, respectively
• Undo, Redo: Ctrl-Z and Ctrl-Y (or Ctrl-Shift-Z) perform undo and redo
• Arrow keys: moves the selection in the given direction, or else scrolls the view that way; the Ctrl modifier causes the movement or scrolling to just be one pixel at a time. This uses the GoView.ArrowMoveLarge and GoView.ArrowMoveSmall properties to control how far the selection is moved.
• Escape: the Escape key may clear the selection and then cancels the current input operation
• letters and digits: selects the next node whose text starts with that character

Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

Reference

GoToolManager Class
GoToolManager Members
Base Implementation in DoKeyDown