public static Size DrawFixedWidthTip(Control control, Graphics graphics, TipSection tipData)
{
var tipSize = Size.Empty;
var tipSizeF = SizeF.Empty;
PointF screenLocation = control.PointToScreen(new Point(control.Width, 0));
RectangleF workingArea = GetWorkingArea(control);
var maxLayoutSize = new SizeF(screenLocation.X - HorizontalBorder * 2,
workingArea.Bottom - screenLocation.Y - VerticalBorder * 2);
if (maxLayoutSize.Width > 0 && maxLayoutSize.Height > 0)
{
graphics.TextRenderingHint =
TextRenderingHint.AntiAliasGridFit;
tipData.SetMaximumSize(maxLayoutSize);
tipSizeF = tipData.GetRequiredSize();
tipData.SetAllocatedSize(tipSizeF);
tipSizeF += new SizeF(HorizontalBorder * 2,
VerticalBorder * 2);
tipSize = Size.Ceiling(tipSizeF);
}
if (control.Height != tipSize.Height)
{
control.Height = tipSize.Height;
}
if (tipSize != Size.Empty)
{
var borderRectangle = new Rectangle
(Point.Empty, control.Size - new Size(1, 1));
var displayRectangle = new RectangleF
(HorizontalBorder, VerticalBorder,
tipSizeF.Width - HorizontalBorder * 2,
tipSizeF.Height - VerticalBorder * 2);
// DrawRectangle draws from Left to Left + Width. A bug? :-/
graphics.DrawRectangle(SystemPens.WindowFrame,
borderRectangle);
tipData.Draw(new PointF(HorizontalBorder, VerticalBorder));
}
return(tipSize);
}
public static Size GetLeftHandSideTipSize(Control control, Graphics graphics, TipSection tipData, Point p)
{
var tipSize = Size.Empty;
var tipSizeF = SizeF.Empty;
RectangleF workingArea = GetWorkingArea(control);
PointF screenLocation = p;
var maxLayoutSize = new SizeF(screenLocation.X - HorizontalBorder * 2,
workingArea.Bottom - screenLocation.Y - VerticalBorder * 2);
if (maxLayoutSize.Width > 0 && maxLayoutSize.Height > 0)
{
graphics.TextRenderingHint =
TextRenderingHint.AntiAliasGridFit;
tipData.SetMaximumSize(maxLayoutSize);
tipSizeF = tipData.GetRequiredSize();
tipData.SetAllocatedSize(tipSizeF);
tipSizeF += new SizeF(HorizontalBorder * 2,
VerticalBorder * 2);
tipSize = Size.Ceiling(tipSizeF);
}
return(tipSize);
}
