lazcontrols: tlvlgraph: faster destroy

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@40746 4005530d-fff6-0310-9dd1-cebe43e6787f
IDEIntf: added TOICustomPropertyGrid.OnEditorFilter

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@40747 4005530d-fff6-0310-9dd1-cebe43e6787f
rttircontrols: published PropertyGrid.OnEditorFilter

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@40748 4005530d-fff6-0310-9dd1-cebe43e6787f
examples: addrbook: only show graph options

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@40749 4005530d-fff6-0310-9dd1-cebe43e6787f
lazcontrols: lvlgraph: added GetVisibleSourceNodes, GetVisibleTargetNodes

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@40750 4005530d-fff6-0310-9dd1-cebe43e6787f
lazcontrols: lvlgraph: hint for nodes

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@40751 4005530d-fff6-0310-9dd1-cebe43e6787f