c# 获取屏幕大小

1.获取当前屏幕显示区域大小，不包含任务栏. 即任务栏以上的宽度和高度

Screen.PrimaryScreen.WorkingArea.Width, Screen.PrimaryScreen.WorkingArea.Height

2.获取当前屏幕大小，包括任务栏.

Screen.PrimaryScreen.Bounds.Width ,Screen.PrimaryScreen.Bounds.Height

3.将窗口定位到右下角方法。

this.Location = new Point(Screen.PrimaryScreen.Bounds.Width - this.Size.Width, Screen.PrimaryScreen.WorkingArea.Height - this.Size.Height);

注意高度必须用workingarea，要不然任务栏会遮盖住窗口下面部分。

this.Location = new Point(Screen.PrimaryScreen.Bounds.Width - this.Size.Width, Screen.PrimaryScreen.Bounds.Height - this.Size.Height );