请问?
private void Form1_MouseMove(object sender, System.Windows.Forms.MouseEventArgs e){
int border = 50;
int x = e.X;
int y = e.Y;
int left = btn_catchMe.Left;
int right = btn_catchMe.Right;
int top = btn_catchMe.Top;
int bottom = btn_catchMe.Bottom;
是什么意思?border?left?ringht?top?