void _children_E_TreeNodeChanged(wTreeNode treeNode, wTreeNodeChangedEventArgs arg)// int itemIndex)
{
_needRefresh = true;
if (E_TreeNodeChanged != null)
{
E_TreeNodeChanged(treeNode, arg); // itemIndex);
}
}
void TreeNodeChanged(wTreeNode node, int index)
{
}
void TreeListChanged(wTreeNode node)
{
}
private Size DrawNode(Graphics g, wTreeNode node, Point startPoint)
{
Size drawSize = new Size(0, 0);
wTreeNodeDrawingArgs args = null;
if (UseCustomDrawing)
{
args = new wTreeNodeDrawingArgs(node, startPoint);
if (E_TreeNodeDrawing != null)
{
E_TreeNodeDrawing(g, args);
}
}
if (args == null || args.UserDrawn == false)
{
g.FillRectangle(Brushes.White, startPoint.X, startPoint.Y, this.Width - startPoint.X, 20);
int x = startPoint.X + 2;
int y = startPoint.Y + 2;
int width = x;
int height = 0;
foreach (wTreeNodeItem item in node.Items)
{
int itemHeight = 0;
switch (item.ItemType)
{
case wTreeNodeItemTypes.CheckBox:
{
Image checkBox;
if (item._isChecked == true)
{
checkBox = Properties.Resources.check_red;
}
else if (item._isChecked == false)
{
checkBox = Properties.Resources.normal;
}
else
{
checkBox = Properties.Resources.inter;
}
itemHeight = checkBox.Height;
break;
}
case wTreeNodeItemTypes.Image:
{
itemHeight = item._image.Height;
break;
}
case wTreeNodeItemTypes.Text:
{
SizeF txtSize = g.MeasureString(item._text, this.Font);
itemHeight = (int)txtSize.Height;
break;
}
}
height = getMax(itemHeight, height);
}
drawSize.Height = height;
foreach (wTreeNodeItem item in node.Items)
{
int itemHeight = 0;
int toY = 0;
switch (item.ItemType)
{
case wTreeNodeItemTypes.CheckBox:
{
Image checkBox;
if (item._isChecked == true)
{
checkBox = Properties.Resources.check_red;
}
else if (item._isChecked == false)
{
checkBox = Properties.Resources.normal;
}
else
{
checkBox = Properties.Resources.inter;
}
itemHeight = checkBox.Height;
toY = getCenter(itemHeight, height) + y;
g.DrawImage(Properties.Resources.check_red, new Point(width, toY));
width += checkBox.Width + _itemMargin;
break;
}
case wTreeNodeItemTypes.Image:
{
itemHeight = item._image.Height;
toY = getCenter(itemHeight, height) + y;
g.DrawImage(item._image, new Point(width, toY));
width += item._image.Width + _itemMargin;
break;
}
case wTreeNodeItemTypes.Text:
{
SizeF txtSize = g.MeasureString(item._text, this.Font);
itemHeight = (int)txtSize.Height;
toY = getCenter(itemHeight, height) + y;
g.DrawString(item._text, this.Font, new SolidBrush(this.ForeColor), new Point(width, toY));
width += (int)txtSize.Width + _itemMargin;
break;
}
}
}
}
drawSize.Width = Width;
return(drawSize);
}
protected virtual void OnTreeNodeChanged(wTreeNode treeNode, int itemIndex)
{
}
