/// <summary>
/// Initializes the border pens and brushes. Should also be called when the parent background color changes.
/// </summary>
public void InitBorderPens()
{
this.borderFocusPen = new Pen(this.BorderColor, this.BorderSize);
this.borderClearPen = new Pen(this.Parent != null ? this.Parent.BackColor : Color.Black, this.BorderSize);
this.borderDragBrush = new SolidBrush(ColorsCommon.DarkerColor(this.borderColor, 0.2f));
}
/// <summary>
/// Sets the new drape color, but first ensures it's different from the transparency key color value.
/// </summary>
/// <param name="color">The new color value for the drape.</param>
private void SetDrapeColor(Color color)
{
this.BackColor = ColorsCommon.EnsureDifferentColor(color, this.TransparencyKey); // Ensure the color is different from the transparency color
FocusControl.ForEach(this, (control) => { control.InitBorderPens(); }); // Reinitialize the border pens of each focus control
this.Invalidate(true); // Force the redrawing of the drape
}
/// <summary>
/// Event: Menu -> Color -> Random Color
/// Sets a random drape color.
/// </summary>
/// <param name="sender">The sender of the event.</param>
/// <param name="e">Empty event data.</param>
private void EventMenuColorRandomClick(object sender, EventArgs e)
{
this.SetDrapeColor(ColorsCommon.GetRandomColor());
}
