All: I'm working on a little project for myself. I have a GridView where two columns are editable in every row, all at the same time (instead of editing one row, then saving). I will be using this once a week, and be entering between ...

I need to find an efficient way to draw basic rectangles to a bitmap and have my PictureBox reflect that bitmap. As it stands I am drawing to the bitmap and my PictureBox reflects that image. However the drawing is super laggy; especially w ...