.net - How to stop C# form from rendering the controls -


i using bufferedgraphics redraw form. wish redraw form's controls myself, can draw lines wherever want while can still use form designer align controls.

i've tried suspendlayout make no use here.

code:

using system; using system.drawing; using system.windows.forms;  public partial class form1 : form {     bufferedgraphicscontext context;     bufferedgraphics grafx;     picturebox pic1, pic2;     public form1()     {         setstyle((controlstyles)(controlstyles.allpaintinginwmpaint | controlstyles.userpaint), true);         initializecomponent();         //add picturebox         pic1 = new picturebox();         pic1.backcolor = color.black;         pic1.setbounds(50, 50, 100, 50);         controls.add(pic1);         pic2 = new picturebox();         pic2.backcolor = color.gray;         pic2.setbounds(75, 50, 50, 100);         controls.add(pic2);     }     private void form1_load(object sender, eventargs e)     {         context = bufferedgraphicsmanager.current;         context.maximumbuffer = new size(width, height);         grafx = context.allocate(creategraphics(), new rectangle(0, 0, width, height));     }     public override void refresh() { }     protected override void onpaintbackground(painteventargs e) { }     protected override void onpaint(painteventargs e)     {         graphics g = grafx.graphics;         g.clear(backcolor);         bitmap bmp = new bitmap(width, height);         foreach (control c in controls)             c.drawtobitmap(bmp, new rectangle(c.left, c.top, c.width, c.height));         g.drawimage(bmp, 0, 0);         g.drawline(new pen(color.red, 4), 0, 0, clientsize.width, clientsize.height);         grafx.render(graphics.fromhwnd(handle));     }     private void form1_resize(object sender, eventargs e)     {         context.maximumbuffer = new size(this.width, this.height);         if (grafx != null)         {             grafx.dispose();             grafx = null;         }         grafx = context.allocate(this.creategraphics(), new rectangle(0, 0, width, height));         base.refresh();     } }

i need line drawn @ top of controls (picturebox), code turns out drawn below controls.


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