/*
* OnPaint
*/
/// <summary>
/// Raises the <see cref="M:System.Windows.Forms.ButtonBase.OnPaint(System.Windows.Forms.PaintEventArgs)"></see> event.
/// </summary>
/// <param name="e">A <see cref="T:System.Windows.Forms.PaintEventArgs"></see> that contains the event data.</param>
protected override void OnPaint(PaintEventArgs e)
{
Graphics g = e.Graphics;
Rectangle bounds = this.ClientRectangle;
/* Translate e.Graphics to render different scroll-button styles. */
switch (this.Style)
{
case NuGenScrollButtonStyle.Left:
{
bounds = new Rectangle(bounds.Top, bounds.Left, bounds.Height, bounds.Width);
NuGenControlPaint.Make90CWGraphics(g, bounds);
break;
}
case NuGenScrollButtonStyle.Right:
{
NuGenControlPaint.Make90CCWGraphics(g, bounds);
bounds = new Rectangle(bounds.Top, bounds.Left, bounds.Height, bounds.Width);
break;
}
case NuGenScrollButtonStyle.Up:
{
NuGenControlPaint.Make180CCWGraphics(g, bounds);
break;
}
}
if (
bounds.Width > 0 &&
bounds.Height > 0
)
{
NuGenPaintParams paintParams = new NuGenPaintParams(g);
paintParams.Bounds = bounds;
paintParams.State = this.ButtonStateTracker.GetControlState();
if (this.DoubleArrow)
{
this.Renderer.DrawDoubleScrollButton(paintParams);
}
else
{
this.Renderer.DrawScrollButton(paintParams);
}
}
}
