ComponentFactory.Krypton.Toolkit.RenderStandard.DrawCheckBox C# (CSharp) Method

DrawCheckBox() public method

Perform drawing of a check box.
public DrawCheckBox ( RenderContext context, Rectangle displayRect, IPalette palette, bool enabled, CheckState checkState, bool tracking, bool pressed ) : void
context RenderContext Render context.
displayRect System.Drawing.Rectangle Display area available for drawing.
palette IPalette Palette for sourcing display values.
enabled bool Should check box be displayed as enabled.
checkState CheckState The checked state of the check box.
tracking bool Should check box be displayed as hot tracking.
pressed bool Should check box be displayed as pressed.
return void
        public override void DrawCheckBox(RenderContext context,
                                          Rectangle displayRect,
                                          IPalette palette,
                                          bool enabled,
                                          CheckState checkState,
                                          bool tracking,
                                          bool pressed)
        {
            Debug.Assert(context != null);
            Debug.Assert(palette != null);

            // Validate parameter references
            if (context == null) throw new ArgumentNullException("context");
            if (palette == null) throw new ArgumentNullException("palette");

            // Grab an image appropriate to the state
            Image drawImage = palette.GetCheckBoxImage(enabled, checkState, tracking, pressed);

            // If no image from the palette then get a system check box
            if (drawImage == null)
            {
                // Convert incoming parameters to check box state
                CheckBoxState state = DiscoverCheckBoxState(enabled, checkState, tracking, pressed);

                // Request the glyph be drawn at the top left of the display rectangle
                CheckBoxRenderer.DrawCheckBox(context.Graphics, displayRect.Location, state);
            }
            else
            {
                // Find the offset to center the image
                int xOffset = (displayRect.Width - drawImage.Width) / 2;
                int yOffset = (displayRect.Height - drawImage.Height) / 2;

                // Draw the image centered
                context.Graphics.DrawImage(drawImage,
                                           displayRect.X + xOffset, displayRect.Y + yOffset,
                                           drawImage.Width, drawImage.Height);
            }
        }
RenderStandard