private void ListBox1_DrawItem(object sender, System.Windows.Forms.DrawItemEventArgs e)
{
if (e.Index == -1)
{
return;
}
int i = System.Convert.ToInt32(ListBox1.Items[e.Index]);
e.DrawBackground();
if (i % 4 != 0)
{
string spaces = new string(' ', 20);
e.Graphics.DrawString(
"Item #: " + i.ToString() + spaces.Replace(" ", " <Filler>"),
ListBox1.Font,
System.Drawing.Brushes.Black,
0,
e.Bounds.Top);
}
else
{
e.Graphics.DrawLine(
System.Drawing.Pens.Blue,
10,
e.Bounds.Top + 1,
52,
e.Bounds.Top + 1);
}
e.DrawFocusRectangle();
}
//protected override void OnMeasureItem(System.Windows.Forms.MeasureItemEventArgs e)
//{
// base.OnMeasureItem(e);
// e.ItemHeight = e.ItemHeight - 2;
//}
protected override void OnDrawItem(System.Windows.Forms.DrawItemEventArgs e)
{
base.OnDrawItem(e);
if (e.Index < 0)
{
return;
}
float size = this.Font.Size;
System.Drawing.Font myFont;
System.Drawing.FontFamily family = this.Font.FontFamily;
System.Drawing.Color animalColor = this.ForeColor;
// Draw the background of the item.
e.DrawBackground();
// Create a square filled with the animals color. Vary the size
// of the rectangle based on the length of the animals name.
//System.Drawing.Rectangle rectangle = new Rectangle(2, e.Bounds.Top + 2,
// e.Bounds.Height, e.Bounds.Height - 4);
//e.Graphics.FillRectangle(new SolidBrush(animalColor), rectangle);
// Draw each string in the array, using a different size, color,
// and font for each item.
myFont = new Font(family, size, FontStyle.Regular);
e.Graphics.DrawString(this.GetItemText(Items[e.Index]), myFont, System.Drawing.Brushes.Black, new PointF(e.Bounds.X + 5, e.Bounds.Y + 2));
//new RectangleF(e.Bounds.X + e.Bounds.Height, e.Bounds.Y, e.Bounds.Width, e.Bounds.Height));
//弹出下拉
//if (e.State == (System.Windows.Forms.DrawItemState.NoAccelerator | System.Windows.Forms.DrawItemState.NoFocusRect))
//{
// e.Graphics.DrawRectangle(new Pen(_borderColor), e.Bounds.X, e.Bounds.Y, e.Bounds.Width, e.Bounds.Height);
//}
//else//选择时
//{
// e.Graphics.DrawRectangle(new Pen(_borderColor), e.Bounds.X, e.Bounds.Y, e.Bounds.Width - 1, e.Bounds.Height - 1);
//}
// Draw the focus rectangle if the mouse hovers over an item.
e.DrawFocusRectangle();
}
protected override void OnDrawItem(System.Windows.Forms.DrawItemEventArgs e)
{
e.DrawBackground();
if (e.State == System.Windows.Forms.DrawItemState.Focus)
{
e.DrawFocusRectangle();
}
if (e.Index < 0 || e.Index >= Items.Count)
{
return;
}
string text = (Items[e.Index] == null) ? "(null)" : Items[e.Index].ToString();
using (System.Drawing.SolidBrush brush = new System.Drawing.SolidBrush(e.ForeColor))
{
e.Graphics.TextRenderingHint = System.Drawing.Text.TextRenderingHint.ClearTypeGridFit;
e.Graphics.DrawString(text, e.Font, brush, e.Bounds);
}
}
protected override void OnDrawItem(System.Windows.Forms.DrawItemEventArgs e)
{
e.DrawBackground();
e.DrawFocusRectangle();
GListBoxItem item;
Rectangle bounds = e.Bounds;
Size imageSize = _myImageList.ImageSize;
try
{
item = (GListBoxItem)Items[e.Index];
if (item.ImageIndex != -1)
{
imageList.Draw(e.Graphics, bounds.Left, bounds.Top, item.ImageIndex);
e.Graphics.DrawString(item.Text, e.Font, new SolidBrush(e.ForeColor),
bounds.Left + imageSize.Width, bounds.Top);
}
else
{
e.Graphics.DrawString(item.Text, e.Font, new SolidBrush(e.ForeColor),
bounds.Left, bounds.Top);
}
}
catch
{
if (e.Index != -1)
{
e.Graphics.DrawString(Items[e.Index].ToString(), e.Font,
new SolidBrush(e.ForeColor), bounds.Left, bounds.Top);
}
else
{
e.Graphics.DrawString(Text, e.Font, new SolidBrush(e.ForeColor),
bounds.Left, bounds.Top);
}
}
base.OnDrawItem(e);
}
private void listBox1_DrawItem(object sender, System.Windows.Forms.DrawItemEventArgs e)
{
Brush brush;
// Create the brush using the ForeColor specified by the DrawItemEventArgs
if (foreColorBrush == null)
{
foreColorBrush = new SolidBrush(e.ForeColor);
}
else if (foreColorBrush.Color != e.ForeColor)
{
// The control's ForeColor has changed, so dispose of the cached brush and
// create a new one.
foreColorBrush.Dispose();
foreColorBrush = new SolidBrush(e.ForeColor);
}
// Select the appropriate brush depending on if the item is selected.
// Since State can be a combinateion (bit-flag) of enum values, you can't use
// "==" to compare them.
if ((e.State & DrawItemState.Selected) == DrawItemState.Selected)
{
brush = SystemBrushes.HighlightText;
}
else
{
brush = foreColorBrush;
}
// Perform the painting.
Font font = ((ListBoxFontItem)listBox1.Items[e.Index]).Font;
e.DrawBackground();
e.Graphics.DrawString(font.Name, font, brush, e.Bounds);
e.DrawFocusRectangle();
}