Effect myEffect = new Effect(graphicsDevice, File.ReadAllBytes("myShader.fx"));
myEffect.Parameters["myParam"].SetValue(0.5f);
batch.Begin(); batch.Draw(myTexture, myDestinationRectangle, null, Color.White, 0f, Vector2.Zero, SpriteEffects.None, 0f); batch.End();Package library: Microsoft.Xna.Framework.Graphics.