获取当前工作区宽度和高度（工作区不包含状态栏）
int ScreenWidth = Screen.PrimaryScreen.WorkingArea.Width;
int ScreenHeight = Screen.PrimaryScreen.WorkingArea.Height;
winfrom 获取当前屏幕尺寸,布布扣,bubuko.com
winfrom 获取当前屏幕尺寸
原文：http://www.cnblogs.com/zhaoqiangxiaoxiao/p/3759542.html
