public CollapsedEventArgs(TreeGridNode node) : base(node)
{
}
protected override void Paint(Graphics graphics, Rectangle clipBounds, Rectangle cellBounds, int rowIndex, DataGridViewElementStates cellState, object value, object formattedValue, string errorText, DataGridViewCellStyle cellStyle, DataGridViewAdvancedBorderStyle advancedBorderStyle, DataGridViewPaintParts paintParts)
{
TreeGridNode owningNode = this.OwningNode;
if (owningNode != null)
{
Image image = owningNode.Image;
if ((this.ImageHeight == 0) && (image != null))
{
this.UpdateStyle();
}
base.Paint(graphics, clipBounds, cellBounds, rowIndex, cellState, value, formattedValue, errorText, cellStyle, advancedBorderStyle, paintParts);
Rectangle glyphRect = new Rectangle(cellBounds.X + this.GlyphMargin, cellBounds.Y, this.INDENT_WIDTH, cellBounds.Height - 1);
int num = glyphRect.Width / 2;
int level = this.Level;
if (image != null)
{
Point point;
if (this.ImageHeight > cellBounds.Height)
{
point = new Point(glyphRect.X + this.GlyphWidth, cellBounds.Y + this.ImageHeightOffset);
}
else
{
point = new Point(glyphRect.X + this.GlyphWidth, ((cellBounds.Height / 2) - (this.ImageHeight / 2)) + cellBounds.Y);
}
GraphicsContainer container = graphics.BeginContainer();
graphics.SetClip(cellBounds);
graphics.DrawImageUnscaled(image, point);
graphics.EndContainer(container);
}
if (owningNode.BaseTGV.ShowLines)
{
using (Pen pen = new Pen(SystemBrushes.ControlDark, 1f))
{
pen.DashStyle = DashStyle.Dot;
bool isLastSibling = owningNode.IsLastSibling;
bool isFirstSibling = owningNode.IsFirstSibling;
if (owningNode.Level == 1)
{
if (isFirstSibling && isLastSibling)
{
graphics.DrawLine(pen, glyphRect.X + 4, cellBounds.Top + (cellBounds.Height / 2), glyphRect.Right, cellBounds.Top + (cellBounds.Height / 2));
}
else if (isLastSibling)
{
graphics.DrawLine(pen, glyphRect.X + 4, cellBounds.Top + (cellBounds.Height / 2), glyphRect.Right, cellBounds.Top + (cellBounds.Height / 2));
graphics.DrawLine(pen, glyphRect.X + 4, cellBounds.Top, glyphRect.X + 4, cellBounds.Top + (cellBounds.Height / 2));
}
else if (isFirstSibling)
{
graphics.DrawLine(pen, glyphRect.X + 4, cellBounds.Top + (cellBounds.Height / 2), glyphRect.Right, cellBounds.Top + (cellBounds.Height / 2));
graphics.DrawLine(pen, glyphRect.X + 4, cellBounds.Top + (cellBounds.Height / 2), glyphRect.X + 4, cellBounds.Bottom);
}
else
{
graphics.DrawLine(pen, glyphRect.X + 4, cellBounds.Top + (cellBounds.Height / 2), glyphRect.Right, cellBounds.Top + (cellBounds.Height / 2));
graphics.DrawLine(pen, glyphRect.X + 4, cellBounds.Top, glyphRect.X + 4, cellBounds.Bottom);
}
}
else
{
if (isLastSibling)
{
graphics.DrawLine(pen, glyphRect.X + 4, cellBounds.Top + (cellBounds.Height / 2), glyphRect.Right, cellBounds.Top + (cellBounds.Height / 2));
graphics.DrawLine(pen, glyphRect.X + 4, cellBounds.Top, glyphRect.X + 4, cellBounds.Top + (cellBounds.Height / 2));
}
else
{
graphics.DrawLine(pen, glyphRect.X + 4, cellBounds.Top + (cellBounds.Height / 2), glyphRect.Right, cellBounds.Top + (cellBounds.Height / 2));
graphics.DrawLine(pen, glyphRect.X + 4, cellBounds.Top, glyphRect.X + 4, cellBounds.Bottom);
}
TreeGridNode parent = owningNode.Parent;
for (int i = (glyphRect.X + 4) - this.INDENT_WIDTH; !parent.IsRoot; i -= this.INDENT_WIDTH)
{
if (!(!parent.HasChildren || parent.IsLastSibling))
{
graphics.DrawLine(pen, i, cellBounds.Top, i, cellBounds.Bottom);
}
parent = parent.Parent;
}
}
}
}
if (owningNode.HasChildren || owningNode.BaseTGV.VirtualNodes)
{
if (owningNode.IsExpanded)
{
graphics.DrawImage(Resources.Expanded1, new Rectangle(glyphRect.X, (glyphRect.Y + (glyphRect.Height / 2)) - 4, this.NodeSize, this.NodeSize));
}
else
{
graphics.DrawImage(Resources.Collapse1, new Rectangle(glyphRect.X, (glyphRect.Y + (glyphRect.Height / 2)) - 4, this.NodeSize, this.NodeSize));
}
}
if (this.IsHaveCheckBox && this.DrawCheckBox)
{
this._checkboxRegion = this.GetCheckBoxRegion(glyphRect, CheckBoxRenderer.GetGlyphSize(graphics, this._PaintState));
CheckBoxRenderer.DrawCheckBox(graphics, new Point(this._checkboxRegion.X, this._checkboxRegion.Y), this._PaintState);
}
}
}
