public virtual void DrawSelectionBackground(Graphics dc, Rectangle nodeRect, Node node)
{
Point mousePoint = m_owner.PointToClient(Cursor.Position);
Node hoverNode = m_owner.CalcHitNode(mousePoint);
if (m_owner.NodesSelection.Contains(node) || m_owner.FocusedNode == node)
{
Color col = m_owner.Focused ? SystemColors.Highlight : SystemColors.Control;
if (!Application.RenderWithVisualStyles)
{
// have to fill the solid background only before the node is painted
dc.FillRectangle(SystemBrushes.FromSystemColor(col), nodeRect);
}
else
{
col = m_owner.Focused ? SystemColors.Highlight : Color.FromArgb(180, SystemColors.ControlDark);
// have to draw the transparent background after the node is painted
VisualStyleItemBackground.Style style = VisualStyleItemBackground.Style.Normal;
if (m_owner.Focused == false)
style = VisualStyleItemBackground.Style.Inactive;
VisualStyleItemBackground rendere = new VisualStyleItemBackground(style);
rendere.DrawBackground(m_owner, dc, nodeRect, col);
}
}
else if (hoverNode == node && m_owner.RowOptions.HoverHighlight)
{
Color col = SystemColors.ControlLight;
if (SystemInformation.HighContrast)
{
col = SystemColors.ButtonHighlight;
}
if (!Application.RenderWithVisualStyles)
{
// have to fill the solid background only before the node is painted
dc.FillRectangle(SystemBrushes.FromSystemColor(col), nodeRect);
}
else
{
// have to draw the transparent background after the node is painted
VisualStyleItemBackground.Style style = VisualStyleItemBackground.Style.Normal;
if (m_owner.Focused == false)
style = VisualStyleItemBackground.Style.Inactive;
VisualStyleItemBackground rendere = new VisualStyleItemBackground(style);
rendere.DrawBackground(m_owner, dc, nodeRect, col);
}
}
if (m_owner.Focused && (m_owner.FocusedNode == node))
{
nodeRect.Height += 1;
nodeRect.Inflate(-1,-1);
ControlPaint.DrawFocusRectangle(dc, nodeRect);
}
}
public virtual void DrawSelectionBackground(Graphics dc, Rectangle nodeRect, Node node)
{
Point mousePoint = m_owner.PointToClient(Cursor.Position);
Node hoverNode = m_owner.CalcHitNode(mousePoint);
if (m_owner.NodesSelection.Contains(node) || m_owner.FocusedNode == node)
{
Color col = m_owner.Focused ? SystemColors.Highlight : SystemColors.ControlLight;
if (!Application.RenderWithVisualStyles)
{
// have to fill the solid background only before the node is painted
dc.FillRectangle(SystemBrushes.FromSystemColor(col), nodeRect);
}
else
{
col = m_owner.Focused ? SystemColors.Highlight : Color.FromArgb(180, SystemColors.ControlDark);
// have to draw the transparent background after the node is painted
VisualStyleItemBackground.Style style = VisualStyleItemBackground.Style.Normal;
if (m_owner.Focused == false)
{
style = VisualStyleItemBackground.Style.Inactive;
}
VisualStyleItemBackground rendere = new VisualStyleItemBackground(style);
rendere.DrawBackground(m_owner, dc, nodeRect, col);
}
}
else if (hoverNode == node && m_owner.RowOptions.HoverHighlight)
{
Color col = SystemColors.ControlLight;
if (!Application.RenderWithVisualStyles)
{
// have to fill the solid background only before the node is painted
dc.FillRectangle(SystemBrushes.FromSystemColor(col), nodeRect);
}
else
{
// have to draw the transparent background after the node is painted
VisualStyleItemBackground.Style style = VisualStyleItemBackground.Style.Normal;
if (m_owner.Focused == false)
{
style = VisualStyleItemBackground.Style.Inactive;
}
VisualStyleItemBackground rendere = new VisualStyleItemBackground(style);
rendere.DrawBackground(m_owner, dc, nodeRect, col);
}
}
if (m_owner.Focused && (m_owner.FocusedNode == node))
{
nodeRect.Height += 1;
nodeRect.Inflate(-1, -1);
ControlPaint.DrawFocusRectangle(dc, nodeRect);
}
}