private void Draw(Graphics g)
{
if (null == g)
{
return;
}
g.Clear(this.BackColor);
int startIndex = _pageIndex * _range.Row * _range.Col + _colIndex * _range.Row;
int endIndex = (_pageIndex + 1) * _range.Row * _range.Col - 1;
if (endIndex >= Items.Count)
{
endIndex = Items.Count - 1;
}
int x = 0, y = 0;
for (int i = startIndex; i <= endIndex; i++)
{
x = (i - startIndex) / _range.Row;
y = (i - startIndex) % _range.Row;
ICustomDrawItem item = Items[i];
if (null != item)
{
int width = ItemWidth;
if (width > Width)
{
width = Width;
}
int height = ItemHeight;
if (height > Height)
{
height = Height;
}
if (i == SelectedtIndex)
{
using (SolidBrush brush = new SolidBrush(Color.SkyBlue))
{
g.FillRectangle(brush, x * (ItemWidth + ItemColPadding) + 1,
y * (ItemHeight + ItemRowPadding) + 1, width - 2, height - 2);
}
}
item.Draw(g, x * (ItemWidth + ItemColPadding),
y * (ItemHeight + ItemRowPadding), width - 2, height - 2);
}
}
}
public void RemoveItem(ICustomDrawItem item)
{
Items.Remove(item);
SetVScrollBarValue();
SetHScrollBarValue();
}
public void RemoveItem(ICustomDrawItem item)
{
_list.RemoveItem(item);
}
public void AddItem(ICustomDrawItem item)
{
Items.Add(item);
SetVScrollBarValue();
SetHScrollBarValue();
}
public void AddItem(ICustomDrawItem item)
{
_list.AddItem(item);
}
