Swift Learning UIView extension Add new attribute Left,right,top,bottom,width,height,centerx,centery

Import Foundation

Import UIKit

Import Coregraphics

Extension uiview{

var left:cgfloat{

set{

var frame = Self.frame

frame.origin.x = newvalue

Self.frame = Frame

}

get{

Return self.frame.origin.x

}

}

var top:cgfloat{

set{

var frame = Self.frame

FRAME.ORIGIN.Y = newvalue

Self.frame = Frame

}

get{

Return SELF.FRAME.ORIGIN.Y

}

}

var right:cgfloat{

set{

var frame = Self.frame

frame.origin.x = Newvalue-frame.size.width

Self.frame = Frame

}

get{

return self.frame.origin.x + self.frame.size.width

}

}

var bottom:cgfloat{

set{

var frame = Self.frame

FRAME.ORIGIN.Y = Newvalue-frame.size.height

Self.frame = Frame

}

get{

return SELF.FRAME.ORIGIN.Y + self.frame.size.height

}

}

var centerx:cgfloat{

set{

Self.center = Cgpoint (X:newvalue, y:self.center.x)

}

get{

Return self.center.x

}

}

var centery:cgfloat{

set{

Self.center = Cgpoint (x:self.center.x, Y:newvalue)

}

get{

Return SELF.CENTER.Y

}

}

var width:cgfloat{

set{

var frame = Self.frame

Frame.size.width = newvalue

Self.frame = Frame

}

get{

Return Self.frame.size.width

}

}

var height:cgfloat{

set{

var frame = Self.frame

Frame.size.height = newvalue

Self.frame = Frame

}

get{

Return Self.frame.size.height

}

}

}

Swift Learning UIView extension Add new attribute Left,right,top,bottom,width,height,centerx,centery