When click the selected node while pressing the Ctrl-key or Cmd-key, allow to cancel selected the node.
If you don't need this function, please set to false.
Default: true
true means: press the Ctrl-key or Cmd-key, can cancel selected node.
false means: press the Ctrl-key or Cmd-key, can't cancel selected node.
var setting = {
view: {
autoCancelSelected: false
}
};
......