Winform No Border window move custom border thickness color

1 usingSystem;2 usingSystem.Collections.Generic;3 usingSystem.ComponentModel;4 usingSystem.Data;5 usingSystem.Drawing;6 usingSystem.Linq;7 usingSystem.Text;8 usingSystem.Threading.Tasks;9 usingSystem.Windows.Forms;Ten  One namespaceWingpchat.master A { -      Public Partial classFormbase:form -     { the          Publicformbase () -         { - InitializeComponent ();  -         } +         PrivatePoint mpoint =NewPoint (); -         Private voidFormbase_load (Objectsender, EventArgs e) +         { A              This. mousedown+=Formbase_mousedown; at              This. mousemove+=Formbase_mousemove;  -         } -  -         protected voidFormbase_mousemove (Objectsender, MouseEventArgs e) -         { -             if(E.button = =mousebuttons.left) in             { -Point myposittion =mouseposition; toMyposittion.offset (-mpoint.x,-mpoint.y); +                  This. Findform (). Location =myposittion; -             } the         } *  $         protected voidFormbase_mousedown (Objectsender, MouseEventArgs e)Panax Notoginseng         { -Mpoint.x =e.x; theMpoint.y =e.y; +         } A  the         /// <summary> +         ///rewrite paint to implement thin borders -         /// </summary> $         /// <param name= "E" ></param> $         protected Override voidOnPaint (PaintEventArgs e) -         { -Pen pen =NewPen (Color.gray,1); theE.graphics.drawline (pen,NewPoint (0,0),NewPoint ( This. width-1,0));//on -E.graphics.drawline (pen,NewPoint (0,0),NewPoint (0, This. height-1));//leftWuyiE.graphics.drawline (pen,NewPoint ( This. width-1,0),NewPoint ( This. width-1, This. height-1));//Right theE.graphics.drawline (pen,NewPoint (0, This. height-1),NewPoint ( This. width-1, This. height-1));//under -             Base. OnPaint (e); Wu         } -  About         /// <summary> $         ///No border Override click icon to maximize and minimize the form -         /// </summary> -         protected OverrideCreateParams CreateParams -         { A             Get +             { theCreateParams CP =Base. CreateParams; -Cp. Style = CP. Style |0x20000;//allow minimization of operations $                 returnCP; the             } the         } the  the             -     } in}

Winform No Border window move custom border thickness color