OnPaint and dissappearing graphics

xddxogm3 · 05-03-2008, 02:56 PM

I have created a program that has multiple panels, and created an array of graphic objects for these panels. I have background images on my panels that are drawn over during mouse click. In about 15 seconds after they are drawn over, the graphics disappear and the background image reappears. I implimented an onpain overide function, but it doesn't seem to stop this behavior. Does anyone know what i'm doing wrong?

Code:

        public static void RePaintPlayer(Graphics[] g)
        {
            for (int x = 1; x <= 4; x++)
            {
                if (GS.Players[x].CurrentPosition != 0)
                {
                    g[GS.Players[x].CurrentPosition].FillRectangle(new SolidBrush(Color.Blue), 0, 0, 50, 50);
                    g[GS.Players[x].CurrentPosition].DrawString("Player\n" + x, ArielFont, WhiteColor, new PointF(5, 10));
                }
            }
        }


        protected override void OnPaint(PaintEventArgs e)
        {
            base.OnPaint(e);

            for (int index = 1; index <= 64; index++)
            {
                GameUI.CorrectImage(index);
            }

            GameUI.RePaintPlayer(GameUI.g);
        }

**nvoigt** · 05-05-2008, 12:41 AM

If you have not done so already, consider setting the control styles to something more suited to painting yourself:

http://msdn.microsoft.com/en-us/libr...le(VS.71).aspx

If you do this, you may have to draw the background yourself.

Also, I'd recommend to use a single control for painting. Do the calculations yourself and paint all of it in one control.

05-03-2008, 02:56 PM	#1
xddxogm3 essence of digital Join Date: Sep 2003 Posts: 577	OnPaint and dissappearing graphics I have created a program that has multiple panels, and created an array of graphic objects for these panels. I have background images on my panels that are drawn over during mouse click. In about 15 seconds after they are drawn over, the graphics disappear and the background image reappears. I implimented an onpain overide function, but it doesn't seem to stop this behavior. Does anyone know what i'm doing wrong? Code: public static void RePaintPlayer(Graphics[] g) { for (int x = 1; x <= 4; x++) { if (GS.Players[x].CurrentPosition != 0) { g[GS.Players[x].CurrentPosition].FillRectangle(new SolidBrush(Color.Blue), 0, 0, 50, 50); g[GS.Players[x].CurrentPosition].DrawString("Player\n" + x, ArielFont, WhiteColor, new PointF(5, 10)); } } } protected override void OnPaint(PaintEventArgs e) { base.OnPaint(e); for (int index = 1; index <= 64; index++) { GameUI.CorrectImage(index); } GameUI.RePaintPlayer(GameUI.g); } __________________ "Hence to fight and conquer in all your battles is not supreme excellence; supreme excellence consists in breaking the enemy's resistance without fighting." Art of War Sun Tzu
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05-05-2008, 12:41 AM	#2
nvoigt the hat of redundancy hat Join Date: Aug 2001 Location: Hannover, Germany Posts: 2,769	If you have not done so already, consider setting the control styles to something more suited to painting yourself: http://msdn.microsoft.com/en-us/libr...le(VS.71).aspx If you do this, you may have to draw the background yourself. Also, I'd recommend to use a single control for painting. Do the calculations yourself and paint all of it in one control. __________________ hth -nv She was so Blonde, she spent 20 minutes looking at the orange juice can because it said "Concentrate." When in doubt, read the FAQ. Then ask a smart question.
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