/// <summary>
/// Paints the underline for the specified node
/// </summary>
/// <param name="oNode"></param>
/// <param name="oGraphics"></param>
/// <param name="nX"></param>
/// <param name="nY"></param>
private void PaintNodeUnderline(Node oNode, string sText, Graphics oGraphics, int nX, int nY)
{
UnderlineStyle oStyle = oNode.GetUnderlineStyle();
Pen oPen = new Pen(oNode.GetUnderlineColor(), 1);
SizeF oSize = oGraphics.MeasureString(StringDrawUtils.GetInstance().GetTextFromFormattedString(sText),
oNode.GetFont(), oNode.GetTreeView().GetDrawWidth() - nX - 8);
oSize.Width += 2;
if (oStyle == UnderlineStyle.Tilde)
{
Pen oClearPen = null;
if (oNode.IsSelected == false)
{
if (oNode.BackgroundStyle.Visible == false)
oClearPen = oNode.GetUnderlineBackColor();
else
oClearPen = new Pen(oNode.BackgroundStyle.BackColor, 1);
}
else
oClearPen = new Pen(oNode.GetSelectedBackColor(), 1);
int nStep = 0;
while (nX + 4 + nStep < nX + oSize.Width)
{
oGraphics.DrawLine(oPen, nX + 4 + nStep, nY + oSize.Height - 2, nX + 5 + nStep, nY + oSize.Height - 2);
oGraphics.DrawLine(oClearPen, nX + 5 + nStep, nY + oSize.Height - 2, nX + 6 + nStep, nY + oSize.Height - 2);
nStep += 4;
}
nStep = 0;
while (nX + 4 + nStep < nX + oSize.Width)
{
oGraphics.DrawLine(oPen, nX + 5 + nStep, nY + oSize.Height - 1, nX + 6 + nStep, nY + oSize.Height - 1);
oGraphics.DrawLine(oClearPen, nX + 6 + nStep, nY + oSize.Height - 1, nX + 7 + nStep, nY + oSize.Height - 1);
nStep += 2;
}
nStep = 0;
while (nX + 4 + nStep < nX + oSize.Width)
{
oGraphics.DrawLine(oPen, nX + 6 + nStep, nY + oSize.Height, nX + 7 + nStep, nY + oSize.Height);
oGraphics.DrawLine(oClearPen, nX + 7 + nStep, nY + oSize.Height, nX + 8 + nStep, nY + oSize.Height);
nStep += 4;
}
oClearPen.Dispose();
}
else
{
if (oStyle == UnderlineStyle.Dash)
oPen.DashStyle = DashStyle.Dash;
if (oStyle == UnderlineStyle.Dot)
oPen.DashStyle = DashStyle.Dot;
oGraphics.DrawLine(oPen, nX + 4, nY + oSize.Height - 2, nX + oSize.Width, nY + oSize.Height - 2);
}
oPen.Dispose();
}
