## Boolean / Function(treeId, treeNode)setting.view.showIcon

### Overview[ depends on jquery.ztree.core js ]

Set to show or hide node icon.

Default: true

### Boolean Format

true means: show node icon.

false means: hide node icon.

### Function Parameter Descriptions

#### treeId String

zTree unique identifier: treeId, easy for users to control.

#### treeNode JSON

JSON data object of the node which need to show icon.

#### Return Boolean

Return value is same as 'Boolean Format'

### Examples of setting & function

#### 1. Hide node icon

    var setting = {
    	view: {
    		showIcon: false
    	}
    };
    ......

#### 2. Hide node icon which level=2

    function showIconForTree(treeId, treeNode) {
    	return treeNode.level != 2;
    };
    var setting = {
    	view: {
    		showIcon: showIconForTree
    	}
    };
    ......