/// <summary>
/// Overrides OnPaint so the control can be drawn.
/// </summary>
/// <param name="e"></param>
protected override void OnPaint(System.Windows.Forms.PaintEventArgs e)
{
foreach (ColorWellInfo c in colorWells)
{
ColorWellHelper.DrawColorWell(e.Graphics, Enabled, c == currentColor, c == pickColor, c);
}
// draw a border (or not)
switch (borderStyle)
{
case BorderStyle.Fixed3D:
ControlPaint.DrawBorder3D(e.Graphics, ClientRectangle, Border3DStyle.Sunken);
break;
case BorderStyle.FixedSingle:
ControlPaint.DrawBorder3D(e.Graphics, ClientRectangle, Border3DStyle.Flat);
break;
}
if (Focused && Enabled)
{
Rectangle r = ClientRectangle;
r.Inflate(-borderSize.Width + 1, -borderSize.Height + 1);
ControlPaint.DrawFocusRectangle(e.Graphics, r);
}
// call base.OnPaint last so clients can paint over the control if required
base.OnPaint(e);
}
/// <summary>
/// Initializes a new instance of the ColorPanel class.
/// </summary>
/// <remarks>
/// The default constructor initializes all fields to their default values.
/// </remarks>
public ColorPanel()
{
colorWells = ColorWellHelper.GetColorWells(colorSet, colorSortOrder);
ResetCustomColors();
// This call is required by the Windows.Forms Form Designer.
InitializeComponent();
UpdateBorderSize();
AutoSizePanel();
}
/// <summary>
/// Override OnSystemColorsChanged to that the System color palette
/// can be updated when a user modifies the system colors.
/// </summary>
/// <param name="e"></param>
protected override void OnSystemColorsChanged(System.EventArgs e)
{
base.OnSystemColorsChanged(e);
if (colorSet == ColorSet.System)
{
// generate new set of system colors
colorWells = ColorWellHelper.GetColorWells(colorSet, colorSortOrder);
LayoutColorWells();
UpdatePickColor();
FireColorChanged();
Refresh();
}
}