wxxsw

let cls = "_UIAppearance"
var count: UInt32 = 0
let properties = class_copyPropertyList(NSClassFromString(cls),
                                        &count)

for i in 0..<Int(count) {

    let property = properties![i]
    let name = property_getName(property)
    let nameString = NSString(cString: name, encoding: String.Encoding.utf8.rawValue)

wxxsw

extension NSImage {
    
    func makeImage(tintColor: NSColor) -> NSImage {
        
        let image = copy() as! NSImage
        image.lockFocus()
        
        tintColor.set()
        NSRectFillUsingOperation(NSMakeRect(0, 0, image.size.width, image.size.height), .sourceAtop)