Navigation keys in tree controls

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Navigation Keys in Tree Controls

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Navigation keys in tree controls

  1. 1. Navigation Keys in Tree Control Hemakumar.S Open Source Developer
  2. 2. Tree Navigation Keys <ul><li>Tree control is not editable and has focus from clicking or tabbing, you use the following keys to control it: </li></ul><ul><li>Down Arrow : </li></ul><ul><li>Moves the selection down one. When the Tree control gets focus, use the Down arrow to move focus to the first node . </li></ul><ul><li>Up Arrow: </li></ul><ul><li>Moves the selection up one item. </li></ul>
  3. 3. Cont…. <ul><li>Right Arrow: </li></ul><ul><li>Opens a selected branch node. If a branch is already open, moves to the first child node. </li></ul><ul><li>Left Arrow: </li></ul><ul><li>Closes a selected branch node. If a leaf node or a closed branch node is currently selected, selects the parent node. </li></ul><ul><li>Spacebar or * (Asterisk on numeric keypad): </li></ul><ul><li>Opens or closes a selected branch node (toggles the state). </li></ul>
  4. 4. Cont…. <ul><li>Page down: </li></ul><ul><li>Moves the selection down one page. </li></ul><ul><li>Page up: </li></ul><ul><li>Moves the selection up one page. </li></ul><ul><li>Control: </li></ul><ul><li>If the allowMultipleSelection property is true, allows multiple noncontiguous selections. </li></ul><ul><li>Shift: </li></ul><ul><li>If the allowMultipleSelection property is true, allows multiple contiguous selections. </li></ul>
  5. 5. Thank You....

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