FormBorder.None 에 간단하게 드래그이벤트 추가 코드

usingSystem;

usingSystem.Windows.Forms;

usingSystem.Runtime.InteropServices;

 

namespaceDragFormSample

{

   publicpartialclassDragFormSample:Form

   {

       [DllImport("user32.dll")]

       publicstaticexternintSendMessage(IntPtrhWnd,intmsg,intwParam,intlParam);

       [DllImport("user32.dll")]

       publicstaticexternboolReleaseCapture();

 

       publicreadonlyintWM_NLBUTTONDOWN= 0xA1;

       publicreadonlyintHT_CAPTION= 0x2;

 

       publicDragFormSample()

       {

           InitializeComponent();

 

           this.FormBorderStyle=FormBorderStyle.None;

       }

 

       protectedoverridevoidOnMouseDown(MouseEventArgse)

       {

           if(e.Button==MouseButtons.Left)

           {

               //다른 컨트롤에 묶여있을 수 있을 수 있으므로 마우스캡쳐 해제

               ReleaseCapture();

 

               //타이틀 바의 다운 이벤트처럼 보냄

               SendMessage(this.Handle,WM_NLBUTTONDOWN,HT_CAPTION, 0);

           }

 

           base.OnMouseDown(e);

       }

   }

}