private static void DrawTextArea(Graphics g, Rectangle bounds, DropdownButtonSide side)
{
Color c = _TextAreaColor;
Rectangle r = Rectangle.Inflate(bounds, -3, -3);
switch (side)
{
case DropdownButtonSide.Right:
using (SolidBrush b = new SolidBrush(c))
{
r.Width = r.Width - 18;
_textBounds = r;
g.FillRectangle(b, r);
}
break;
case DropdownButtonSide.Left:
using (SolidBrush b = new SolidBrush(c))
{
r.X = r.X + 18;
r.Width = r.Width - 18;
_textBounds = r;
g.FillRectangle(b, r);
}
break;
}
}
/// <summary>
/// A Rectangle that represents the dropdown button area of the control.
/// </summary>
/// <param name="rec">Rectangle of the control.</param>
/// <param name="side">Placement of the dropdown button.</param>
/// <returns>Rectangle defining the button area.</returns>
public static Rectangle ButtonBounds(Rectangle rec, DropdownButtonSide side)
{
Rectangle r = new Rectangle(0, 0, rec.Width, rec.Height);
if (side == DropdownButtonSide.Right)
{
return(new Rectangle(r.Width - 18, r.Y, 18, r.Height));
}
else
{
return(new Rectangle(0, 0, 18, r.Height));
}
}
/// <summary>
/// A Rectangle that represents the text box area of the control.
/// </summary>
/// <param name="bounds">Rectangle bounds of the control.</param>
/// <param name="side">Placement of the dropdown button.</param>
/// <returns>Rectangle defining the text box area.</returns>
public static Rectangle TextBoxBounds(Rectangle bounds, DropdownButtonSide side)
{
Rectangle tb = new Rectangle();
Rectangle r = Rectangle.Inflate(bounds, -3, -3);
switch (side)
{
case DropdownButtonSide.Right:
r.Width = r.Width - 18;
tb = r;
break;
case DropdownButtonSide.Left:
r.X = r.X + 18;
r.Width = r.Width - 18;
tb = r;
break;
}
return(tb);
}
