protected override void OnDrawItem(DrawItemEventArgs e)
{
const TextFormatFlags flags = TextFormatFlags.Left | TextFormatFlags.VerticalCenter;
e.DrawBackground();
e.DrawFocusRectangle();
if (DesignMode)
{
e.Graphics.DrawRectangle(Pens.Red, 1, e.Bounds.Y + 1, IMAGE_WIDTH, IMAGE_WIDTH);
var textRect = e.Bounds;
textRect.X += IMAGE_WIDTH + 1;
textRect.Width -= IMAGE_WIDTH + 1;
string itemText = "AddressListBox";
TextRenderer.DrawText(e.Graphics, itemText, e.Font, textRect, e.ForeColor, flags);
e.DrawFocusRectangle();
}
else if (e.Index >= 0)
{
Library lib = Items[e.Index] as Library;
if (null == lib) return;
e.Graphics.DrawImage(lib.Thumbnail, 0, e.Bounds.Y + 1);
var textRect = e.Bounds;
textRect.X += IMAGE_WIDTH + 1;
textRect.Width -= IMAGE_WIDTH + 1;
Font fontBold = new System.Drawing.Font(e.Font, FontStyle.Bold);
Rectangle itemRect0 = new Rectangle(textRect.X, textRect.Y, 100, 20);
TextRenderer.DrawText(e.Graphics, "Name ", e.Font, itemRect0, e.ForeColor, flags); itemRect0.Y += itemRect0.Height;
TextRenderer.DrawText(e.Graphics, "Description ", e.Font, itemRect0, e.ForeColor, flags); itemRect0.Y += itemRect0.Height;
TextRenderer.DrawText(e.Graphics, "Author ", e.Font, itemRect0, e.ForeColor, flags); itemRect0.Y += itemRect0.Height;
TextRenderer.DrawText(e.Graphics, "Date created ", e.Font, itemRect0, e.ForeColor, flags); itemRect0.Y += itemRect0.Height;
Rectangle itemRect1 = new Rectangle(textRect.X + 100, textRect.Y, 10, 20);
TextRenderer.DrawText(e.Graphics, ":", e.Font, itemRect1, e.ForeColor, flags); itemRect1.Y += itemRect1.Height;
TextRenderer.DrawText(e.Graphics, ":", e.Font, itemRect1, e.ForeColor, flags); itemRect1.Y += itemRect1.Height;
TextRenderer.DrawText(e.Graphics, ":", e.Font, itemRect1, e.ForeColor, flags); itemRect1.Y += itemRect1.Height;
TextRenderer.DrawText(e.Graphics, ":", e.Font, itemRect1, e.ForeColor, flags); itemRect1.Y += itemRect1.Height;
Rectangle itemRect2 = new Rectangle(textRect.X + 110, textRect.Y, textRect.Width - 110, 20);
TextRenderer.DrawText(e.Graphics, lib.Name, fontBold, itemRect2, e.ForeColor, flags); itemRect2.Y += itemRect2.Height;
TextRenderer.DrawText(e.Graphics, lib.Description, e.Font, itemRect2, e.ForeColor, flags); itemRect2.Y += itemRect2.Height;
TextRenderer.DrawText(e.Graphics, lib.Author, e.Font, itemRect2, e.ForeColor, flags); itemRect2.Y += itemRect2.Height;
TextRenderer.DrawText(e.Graphics, lib.DateCreated.ToShortDateString(), e.Font, itemRect2, e.ForeColor, flags); itemRect2.Y += itemRect2.Height;
}
}
private void cboDbType_DrawItem(object sender, DrawItemEventArgs e)
{
e.DrawBackground();
e.DrawFocusRectangle();
if (e.Index >= 0)
{
string s = this.cboDbType.Items[e.Index].ToString();
if ((((s == "DateTime") || (s == "Currency")) || ((s == "Int32") || (s == "String"))) || (s == "AnsiStringFixedLength"))
{
e.Graphics.DrawString(s, e.Font, Brushes.Red, e.Bounds);
}
else
{
e.Graphics.DrawString(s, e.Font, new SolidBrush(e.ForeColor), e.Bounds);
}
}
}
protected override void OnDrawItem(object sender, DrawItemEventArgs e)
{
Brush textBrush; //Brush for the text
Rectangle rc = e.Bounds;
rc.X += DRAW_OFFSET;
//Check if the item's selected
if (e.State == DrawItemState.Selected)
{
e.DrawBackground(Color.DarkKhaki);
rc.X+=1;
rc.Y+=1;
}
textBrush = new SolidBrush(SystemColors.ControlText);
//Draw item's text
e.Graphics.DrawString(this.Items[e.Index].ToString(), e.Font, textBrush, rc);
//Draw a 3D line underneath
e.Graphics.DrawLine(new Pen(Color.White), 0, e.Bounds.Bottom-1, e.Bounds.Width, e.Bounds.Bottom-1);
e.Graphics.DrawLine(new Pen(Color.Gray), 0, e.Bounds.Bottom, e.Bounds.Width, e.Bounds.Bottom);
//Call the base's OnDrawEvent
base.OnDrawItem (sender, e);
}
private void CbBasePattern_DrawItem(object sender, DrawItemEventArgs e)
{
e.DrawBackground();
if (e.Index >= 0)
{
Color SelectedBackColor = Color.LightSeaGreen;
string txt = cbBasePattern.Items[e.Index].ToString();
Color color = txt.EndsWith("Up") ? Color.Red : Color.Blue;
txt = txt.Replace("Up", "↗").Replace("Down", "↘");
Graphics g = e.Graphics;
Brush brush = ((e.State & DrawItemState.Selected) == DrawItemState.Selected) ?
new SolidBrush(SelectedBackColor) : new SolidBrush(e.BackColor);
Brush tBrush = new SolidBrush(color);
g.FillRectangle(brush, e.Bounds);
e.Graphics.DrawString(txt, e.Font, tBrush, e.Bounds, StringFormat.GenericDefault);
brush.Dispose();
tBrush.Dispose();
}
e.DrawFocusRectangle();
}
// Draw the item.
public void DrawItem(DrawItemEventArgs e)
{
// Clear the background appropriately.
e.DrawBackground();
// Draw the image.
float hgt = e.Bounds.Height - 2 * MarginHeight;
float scale = hgt / Imagen.Height;
float wid = Imagen.Width * scale;
RectangleF rect = new RectangleF(
e.Bounds.X + MarginWidth,
e.Bounds.Y + MarginHeight,
wid, hgt);
e.Graphics.InterpolationMode = InterpolationMode.HighQualityBilinear;
e.Graphics.DrawImage(Imagen, rect);
// Draw the text.
// If we're drawing on the control,
// draw only the first line of text.
string visible_text = NombreProducto;
// Make a rectangle to hold the text.
wid = e.Bounds.Width - rect.Right - 3 * MarginWidth;
rect = new RectangleF(
rect.Right + 2 * MarginWidth, rect.Y,
wid, hgt);
using (StringFormat sf = new StringFormat())
{
sf.Alignment = StringAlignment.Near;
sf.LineAlignment = StringAlignment.Center;
e.Graphics.TextRenderingHint = TextRenderingHint.AntiAliasGridFit;
e.Graphics.DrawString(visible_text, Font, Brushes.Black, rect, sf);
}
//e.Graphics.DrawRectangle(Pens.Blue, Rectangle.Round(rect));
// Draw the focus rectangle if appropriate.
e.DrawFocusRectangle();
}
protected override void OnDrawItem(DrawItemEventArgs e)
{
if (e.Index == -1 || e.Index > this.Items.Count - 1)
{
return;
}
e.DrawBackground();
Rectangle imageRect = new Rectangle(e.Bounds.X, e.Bounds.Y, e.Bounds.Height, e.Bounds.Height);
RectangleF textRectF = RectangleF.FromLTRB(imageRect.Right + 2, e.Bounds.Top, e.Bounds.Right, e.Bounds.Bottom);
if (Items[e.Index] is ComboItemImage)
{
ComboItemImage Item = (ComboItemImage)Items[e.Index];
if (Item.Image != null)
{
e.Graphics.DrawImage(Item.Image, imageRect);
}
}
SolidBrush TextBrush = new SolidBrush(this.ForeColor);
if ((e.State & DrawItemState.Selected) == DrawItemState.Selected)
{
TextBrush.Color = SystemColors.HighlightText;
}
StringFormat sf = new StringFormat(StringFormatFlags.NoWrap);
sf.LineAlignment = StringAlignment.Center;
sf.Trimming = StringTrimming.EllipsisCharacter;
e.Graphics.DrawString(Items[e.Index].ToString(), this.Font, TextBrush, textRectF, sf);
TextBrush.Dispose();
base.OnDrawItem(e);
}
// Draws the items into the ColorSelector object
protected override void OnDrawItem(DrawItemEventArgs e)
{
e.DrawBackground();
e.DrawFocusRectangle();
if (Items.Count <= 0)
{
base.OnDrawItem(e);
return;
}
if (e.Index < 0)
{
base.OnDrawItem(e);
return;
}
DropDownItem item = Items[e.Index] as DropDownItem;
// Draw the colored 16 x 16 square
e.Graphics.DrawImage(item.Icon.ToBitmap(), e.Bounds.Left, e.Bounds.Top, 21, 21);
e.Graphics.DrawString(item.Value, e.Font, new
SolidBrush(e.ForeColor), e.Bounds.Left + item.Icon.Width, e.Bounds.Top + 2);
base.OnDrawItem(e);
}
void Owner_DrawItem(object sender, DrawItemEventArgs e)
{
e.DrawBackground();
if (e.Index >= 0)
{
var listitem = Items[e.Index];
if (listitem.Icon != null && ShowIcons)
{
Rectangle src = new Rectangle(0, 0, 16, 16);
Rectangle dest = new Rectangle(e.Bounds.X + 2, e.Bounds.Y + 2, 16, 16);
e.Graphics.DrawImage(listitem.Icon, dest, src, GraphicsUnit.Pixel);
}
bool selected = 0 != (e.State & (DrawItemState.HotLight | DrawItemState.Selected));
var brush = selected ? SystemBrushes.HighlightText : SystemBrushes.WindowText;
int textX = ShowIcons ? e.Bounds.X + 20 : e.Bounds.X + 2;
e.Graphics.DrawString(listitem.Text ?? string.Empty, _Owner.Font, brush, new Point(textX, e.Bounds.Y + 2));
}
}
private void Lbsys_DrawItem(object sender, DrawItemEventArgs e) // for system draw with ICON
{
e.DrawBackground();
using (Brush textb = new SolidBrush(this.ForeColor))
{
Rectangle textarea = e.Bounds;
if (imageitems != null)
{
int width = imageitems.Max(x => x.Width);
textarea.X += width;
Rectangle bitmaparea = e.Bounds;
bitmaparea.Width = width;
if (e.Index < imageitems.Count)
{
e.Graphics.DrawImage(imageitems[e.Index], bitmaparea);
}
}
using (StringFormat f = new StringFormat()
{
Alignment = StringAlignment.Near, LineAlignment = StringAlignment.Center, FormatFlags = StringFormatFlags.NoWrap
})
{
e.Graphics.DrawString(items[e.Index], e.Font, textb, textarea, f);
}
if (ItemSeperators != null && Array.IndexOf(ItemSeperators, e.Index) >= 0)
{
using (Pen p = new Pen(ItemSeperatorColor))
{
e.Graphics.DrawLine(p, new Point(textarea.Left, textarea.Top), new Point(textarea.Right, textarea.Top));
}
}
}
e.DrawFocusRectangle();
}
private void ListBox1_DrawItem(object sender, DrawItemEventArgs e)
{
if (e.Index == -1)
{
return;
}
string content = ((ListBox)sender).Items[e.Index].ToString();
e.DrawBackground();
Brush mybsh = Brushes.Black;
if (content.Contains("违规操作"))
{
mybsh = Brushes.Red;
}
// 焦点框
e.DrawFocusRectangle();
//文本
e.Graphics.DrawString(((ListBox)sender).Items[e.Index].ToString(), e.Font, mybsh, e.Bounds, StringFormat.GenericDefault);
}
protected override void OnDrawItem(DrawItemEventArgs e)
{
try
{
e.DrawBackground();
e.DrawFocusRectangle();
if (e.Index >= 0 && e.Index < Items.Count)
{
ImageComboBoxItem item = (ImageComboBoxItem)Items[e.Index];
e.Graphics.DrawImage(item.Image, e.Bounds.Left + 2, e.Bounds.Top + 2);
e.Graphics.DrawString(item.Value, e.Font, new SolidBrush(e.ForeColor), e.Bounds.Left + item.Image.Width + 2, e.Bounds.Top + 1);
}
base.OnDrawItem(e);
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
protected override void OnDrawItem(DrawItemEventArgs e)
{
e.DrawBackground();
if (e.Index < 0)
{
return;
}
BandBase c = Items[e.Index] as BandBase;
Image img = c == null?Res.GetImage(76) : RegisteredObjects.FindObject(c).Image;
e.Graphics.DrawImage(img, e.Bounds.X + 2, e.Bounds.Y);
using (Brush b = new SolidBrush(e.ForeColor))
{
string text = "";
if (c == null)
{
text = Res.Get("Misc,None");
}
else
{
text = Res.Get(RegisteredObjects.FindObject(c).Text);
if (c is DataBand)
{
text += ": " + c.GetInfoText();
}
else if (c is DataFooterBand)
{
text += ": " + c.DataBand.GetInfoText();
}
else if (c is GroupFooterBand)
{
text += ": " + (c.Parent as GroupHeaderBand).GetInfoText();
}
}
e.Graphics.DrawString(text, e.Font, b,
e.Bounds.X + 24, e.Bounds.Y + (e.Bounds.Height - ItemHeight) / 2);
}
}
private void ListBox1_DrawItem(object sender, DrawItemEventArgs e)
{
// Draw the background of the ListBox control for each item.
e.DrawBackground();
// Define the default color of the brush as black.
Brush myBrush = Brushes.Black;
// Determine the color of the brush to draw each item based
// on the index of the item to draw.
myBrush = Brushes.Gainsboro;
// Draw the current item text based on the current Font
// and the custom brush settings.
try
{
e.Graphics.DrawString(listBox.Items[e.Index].ToString(),
e.Font, myBrush, e.Bounds, StringFormat.GenericDefault);
}
catch { }
// If the ListBox has focus, draw a focus rectangle around the selected item.
}
private void lboxPatterns_DrawItem(object sender, DrawItemEventArgs e)
{
if (e.Index != -1)
{
Brush b;
string text = lboxPatterns.Items[e.Index].ToString();
e.DrawBackground();
if (this.CurrentSong != null && this.currentSong.Looped && e.Index == this.CurrentSong.LoopToPattern)
{
b = new SolidBrush(Color.FromKnownColor(KnownColor.Red));
text = "* " + text;
}
else
{
b = new SolidBrush(e.ForeColor);
}
e.Graphics.DrawString(text, e.Font, b, e.Bounds, StringFormat.GenericDefault);
e.DrawFocusRectangle();
b.Dispose();
}
}
private void OnDrawItem(object sender, DrawItemEventArgs e)
{
if (e.Index == -1)
{
return;
}
Graphics g = e.Graphics;
PartitionItem item = (PartitionItem)partitionCmb.Items[e.Index];
Color textColour = e.ForeColor;
PointF textPos = e.Bounds.Location;
if (item.Icon != null)
{
textPos.X += item.Icon.Width + 4;
}
textPos.Y += 1;
//Set the text colour and background colour if the control is disabled
if ((e.State & DrawItemState.Disabled) == 0)
{
e.DrawBackground();
}
else
{
g.FillRectangle(new SolidBrush(SystemColors.ButtonFace), e.Bounds);
textColour = SystemColors.GrayText;
}
if (item.Icon != null)
{
g.DrawIcon(item.Icon, e.Bounds.X + 2, e.Bounds.Y);
}
g.DrawString(item.ToString(), e.Font, new SolidBrush(textColour), textPos);
if ((e.State & DrawItemState.Focus) != 0)
{
e.DrawFocusRectangle();
}
}
public static void DrawItem(object sender, DrawItemEventArgs e)
{
if (e.Index < 0)
{
return;
}
ComboBox combo = sender as ComboBox;
combo.BackColor = ThemeColorTable.ComboBoxBackColor;
if ((e.State & DrawItemState.Selected) == DrawItemState.Selected)
{
e.Graphics.FillRectangle(new SolidBrush(ThemeColorTable.ComboBoxHighlightColor),
e.Bounds);
e.DrawFocusRectangle();
}
else
{
e.DrawBackground();
}
e.Graphics.DrawString(combo.Items[e.Index].ToString(), e.Font, new SolidBrush(ThemeColorTable.ForeColor), new Point(e.Bounds.X, e.Bounds.Y));
}
/// <summary>
/// Called to draw an item in our plugins list box. We have to do this by
/// hand to be able to support disabled items.
/// </summary>
/// <param name="sender">Event sender.</param>
/// <param name="e">Event arguments.</param>
private void PipelinePluginsLst_DrawItem(object sender, DrawItemEventArgs e)
{
// The code to do this has been ripped off MSDN and adapted.
// Open help and look at the code example for the DrawItemEventArgs class.
if (listItemRegularBrush != null)
{
PluginToImportDisplayInfo pluginDisplayInfo = (PluginToImportDisplayInfo)PipelinePluginsLst.Items[e.Index];
Brush foreBrush = listItemRegularBrush;
if (PipelinePluginsLst.SelectedIndices.Contains(e.Index))
{
foreBrush = listItemSelectedBrush;
}
else if (!pluginDisplayInfo.Importable)
{
foreBrush = listItemDisabledBrush;
}
e.DrawBackground();
e.Graphics.DrawString(PipelinePluginsLst.Items[e.Index].ToString(), e.Font, foreBrush,
e.Bounds, StringFormat.GenericDefault);
e.DrawFocusRectangle();
}
}
private void ComboBoxDrawItem(object sender, DrawItemEventArgs e)
{
ComboBox cmb = sender as ComboBox;
if (e.Index < 0)
{
return;
}
string text = cmb.GetItemText(cmb.Items[e.Index]);
e.DrawBackground();
using (SolidBrush br = new SolidBrush(e.ForeColor))
{
e.Graphics.DrawString(text, e.Font, br, e.Bounds);
}
if ((e.State & DrawItemState.Selected) == DrawItemState.Selected)
{
tTEmissionData.Show(text, cmb, e.Bounds.Right, e.Bounds.Bottom);
}
e.DrawFocusRectangle();
}
private void toolstrip_color_draw_item(object o, DrawItemEventArgs e)
{
if (0 <= e.Index)
{
components_color color = item_color.Items[e.Index] as components_color;
Rectangle rectangle = e.Bounds;
SolidBrush brush = new SolidBrush(color.color);
e.DrawBackground();
e.Graphics.FillRectangle(brush, rectangle.Left + 1, rectangle.Top + 1, rectangle.Height - 2, rectangle.Height - 2);
e.Graphics.DrawString(color.name, filter.Font, Brushes.Black, new RectangleF(rectangle.Left + rectangle.Height, rectangle.Top + 1, rectangle.Width - rectangle.Height, rectangle.Height));
if (DrawItemState.Focus == e.State)
{
e.DrawFocusRectangle();
}
brush.Dispose();
}
}
/// <summary>
///
/// </summary>
/// <param name="e"></param>
protected override void OnDrawItem(DrawItemEventArgs e)
{
object item = this.Items[e.Index];
if (item != null)
{
e.DrawBackground();
e.DrawFocusRectangle();
Font font = new Font("Arial", 8);
if (item.GetType() == typeof(string))
{
e.Graphics.DrawString((string)item, font, System.Drawing.Brushes.Black, e.Bounds, StringFormat.GenericDefault);
}
else if (item.GetType() == typeof(DecoratorEntry))
{
float lineY = e.Bounds.Top + (e.Bounds.Height / 2.0f);
PointF[] pts = new PointF[2];
pts[0] = new PointF(e.Bounds.Left + 10, lineY);
pts[1] = new PointF(e.Bounds.Right - 10, lineY);
this.itemLine.SetPoints(pts);
System.Type decoratorType = ((DecoratorEntry)item).DecoratorType;
LineDecorator decorator = (LineDecorator)Activator.CreateInstance(decoratorType);
if (decorator != null)
{
FilledLineDecorator filledDecorator = decorator as FilledLineDecorator;
if (filledDecorator != null)
{
filledDecorator.FillStyle.Type = FillStyle.FillType.Solid;
filledDecorator.FillStyle.Color = Color.Black;
}
this.itemLine.LastEndPoint = decorator;
this.itemLine.Draw(e.Graphics);
}
}
}
base.OnDrawItem(e);
}
protected override void OnDrawItem(DrawItemEventArgs e)
{
e.DrawBackground();
if (e.State == DrawItemState.Focus)
{
e.DrawFocusRectangle();
}
var index = e.Index;
if (index < 0 || index >= Items.Count)
{
return;
}
var item = Items[index];
string text = (item == null)?"(null)":item.ToString();
using (var brush = new SolidBrush(e.ForeColor))
{
e.Graphics.TextRenderingHint = System.Drawing.Text.TextRenderingHint.ClearTypeGridFit;
e.Graphics.DrawString(text, e.Font, brush, e.Bounds);
}
}
private void _officerQueueListBox_DrawItem(object sender, DrawItemEventArgs e)
{
if (e.Index == -1)
{
return;
}
e.DrawBackground();
SolidBrush brush = new SolidBrush(_officerQueueListBox.ForeColor);
QueueEntry item = _officerQueueListBox.Items[e.Index] as QueueEntry;
if ((e.State & DrawItemState.Selected) == DrawItemState.Selected)
{
brush.Color = item.Person is WalkIn ? Color.YellowGreen : SystemColors.HighlightText;
}
else
{
brush.Color = item.Person is WalkIn ? Color.Green : _officerQueueListBox.ForeColor;
}
e.Graphics.DrawString(item.VisitorName, e.Font, brush, e.Bounds, StringFormat.GenericDefault);
e.DrawFocusRectangle();
}
private void lbColor_DrawItem(object sender, DrawItemEventArgs e)
{
// element background display
e.DrawBackground();
// item icon and text display
var color = (Color)lbColor.Items[e.Index];
Brush brush = new SolidBrush(color);
var graphics = e.Graphics;
int x = e.Bounds.X;
int y = e.Bounds.Y;
int w = e.Bounds.Width;
int h = e.Bounds.Height;
graphics.DrawRectangle(Pens.Black, x + 2, y + 2, 21, h - 5);
graphics.FillRectangle(brush, x + 3, y + 3, 20, h - 6);
graphics.DrawString(color.Name, e.Font, textBrush, x + 26, y + 2);
// element focus display
e.DrawFocusRectangle();
}
private void MyComboBox_DrawItem(object sender, DrawItemEventArgs e)
{
try
{
Graphics g = e.Graphics;
g.TextRenderingHint = System.Drawing.Text.TextRenderingHint.AntiAlias;
e.DrawBackground();
if ((e.State & DrawItemState.Focus) != 0)
{
e.DrawFocusRectangle();
}
g.DrawString(((Font)myComboBox.Items[e.Index]).Name, (Font)myComboBox.Items[e.Index], Brushes.Black, e.Bounds);
}
catch (Exception ex)
{
MessageBox.Show(ex.ToString());
}
}
protected override void OnDrawItem(DrawItemEventArgs ea)
{
ea.DrawBackground();
ea.DrawFocusRectangle();
ComboBoxExItem item;
Size imageSize = imageList.ImageSize;
Rectangle bounds = ea.Bounds;
try {
item = (ComboBoxExItem)Items[ea.Index];
if (item.ImageIndex != -1)
{
imageList.Draw(ea.Graphics, bounds.Left, bounds.Top,
item.ImageIndex);
ea.Graphics.DrawString(item.Text, ea.Font, new
SolidBrush(ea.ForeColor), bounds.Left + imageSize.Width, bounds.Top);
}
else
{
ea.Graphics.DrawString(item.Text, ea.Font, new
SolidBrush(ea.ForeColor), bounds.Left, bounds.Top);
}
} catch {
if (ea.Index != -1)
{
ea.Graphics.DrawString(Items[ea.Index].ToString(), ea.Font, new
SolidBrush(ea.ForeColor), bounds.Left, bounds.Top);
}
else
{
ea.Graphics.DrawString(Text, ea.Font, new
SolidBrush(ea.ForeColor), bounds.Left, bounds.Top);
}
}
base.OnDrawItem(ea);
}
/// <summary>
/// 鼠标移出控件的可见区域时触发
/// </summary>
protected virtual void ListBox_DrawItem(object sender, DrawItemEventArgs e)
{
Rectangle r = new Rectangle(0, 0, this.Width, this.Height); //设置重绘的区域
SolidBrush SolidB1 = new SolidBrush(this.Color1); //设置上一行颜色
SolidBrush SolidB2 = new SolidBrush(this.Color2); //设置下一行颜色
//设置上一行的渐变色
LinearGradientBrush LinearG1 = new LinearGradientBrush(r, this.Color1, this.Color1Gradual, LinearGradientMode.BackwardDiagonal);
//设置下一行的渐变色
LinearGradientBrush LinearG2 = new LinearGradientBrush(r, this.Color2, this.Color2Gradual, LinearGradientMode.BackwardDiagonal);
//将单色与渐变色存入Brush数组中
listBoxBrushes = new Brush[] { SolidB1, LinearG1, SolidB2, LinearG2 };
e.DrawBackground();
if (this.Items.Count <= 0)//如果当前控件为空
{
return;
}
if (e.Index == (this.Items.Count - 1))//如果绘制的是最后一个项
{
bool tem_bool = true;
if (e.Index == 0 && tem_bool) //如果当前绘制的是第一个或最后一个项
{
naught = false; //不进行重绘
}
}
if (naught)//对控件进行重绘
{
//获取当前绘制的颜色值
Brush brush = listBoxBrushes[place = (GradualC) ? (((e.Index % 2) == 0) ? 1 : 3) : (((e.Index % 2) == 0) ? 0 : 2)];
e.Graphics.FillRectangle(brush, e.Bounds); //用指定的画刷填充列表项范围所形成的矩形
bool selected = ((e.State & DrawItemState.Selected) == DrawItemState.Selected) ? true : false; //判断当前项是否被选取中
if (selected) //如果当前项被选中
{
e.Graphics.FillRectangle(new SolidBrush(ColorSelect), e.Bounds); //绘制当前项
}
e.Graphics.DrawString(this.Items[e.Index].ToString(), this.Font, Brushes.Black, e.Bounds); //绘制当前项中的文本
}
e.DrawFocusRectangle(); //绘制聚焦框
}
public static void DrawCenterComboBox(object sender, DrawItemEventArgs e)
{
if (sender is ComboBox cbx)
{
e.DrawBackground();
if (e.Index >= 0)
{
var brush = new SolidBrush(cbx.ForeColor);
if ((e.State & DrawItemState.Selected) == DrawItemState.Selected)
{
brush = SystemBrushes.HighlightText as SolidBrush;
}
e.Graphics.DrawString(cbx.Items[e.Index].ToString(), cbx.Font, brush, e.Bounds, new StringFormat {
LineAlignment = StringAlignment.Center,
Alignment = StringAlignment.Center
});
}
}
}
private void listBox1_DrawItem(object sender, DrawItemEventArgs e)
{
if (e.Index < 0)
{
return;
}
ListBoxItemInfo it = listBox1.Items[e.Index] as ListBoxItemInfo;
Brush weightBrush;
e.DrawBackground();
if ((e.State & DrawItemState.Selected) == DrawItemState.Selected)
{// 如果被选中，则画出聚焦框
e.DrawFocusRectangle();
weightBrush = Brushes.Black;
}
else
{// 否则根据item存储的颜色来画背景色
Brush br = new SolidBrush(it.BackColor);
//Brush br = new SolidBrush(Color.Yellow);
e.Graphics.FillRectangle(br, e.Bounds);
weightBrush = Brushes.Gray;
}
e.Graphics.TextRenderingHint = System.Drawing.Text.TextRenderingHint.AntiAliasGridFit;
// 设置item的显示信息格式
var powderFont = new Font("微软雅黑", 16, FontStyle.Bold);
e.Graphics.DrawString(it.PowderName, powderFont, Brushes.Black,
e.Bounds, null);
var standardWeightFont = new Font("微软雅黑", 10, FontStyle.Regular);
e.Graphics.DrawString("标准质量为：" + it.StandardQuality + "g", standardWeightFont,
weightBrush, e.Bounds.Left + 3, e.Bounds.Top + 32);
}
void comboBox1_DrawItem(object sender, DrawItemEventArgs e)
{
if (!languageComboBox.DroppedDown)
{
e.Graphics.DrawRectangle(Pens.White, e.Bounds);
}
else
{
e.DrawBackground();
if (e.Index == languageComboBox.Items.Count - (1 + lineOffset))
{
e.Graphics.DrawLine(Pens.DarkGray, new Point(e.Bounds.Left, e.Bounds.Bottom - 1),
new Point(e.Bounds.Right, e.Bounds.Bottom - 1));
}
}
if (e.Index != -1)
{
string text;
Color color;
if (languageComboBox.Items[e.Index] is CultureInfo)
{
text = ((CultureInfo)languageComboBox.Items[e.Index]).DisplayName;
color = languageComboBox.ForeColor;
}
else
{
text = languageComboBox.Items[e.Index].ToString();
color = Color.DarkBlue;
}
TextRenderer.DrawText(e.Graphics, text, languageComboBox.Font, e.Bounds,
color, TextFormatFlags.Left);
}
e.DrawFocusRectangle();
}
private void productList_DrawItem(object sender, DrawItemEventArgs e)
{
if (e.Index == -1)
{
return;
}
else
{
e.DrawBackground();
Brush textBrush = SystemBrushes.ControlText;
Font drawFont = e.Font;
ComboBoxData eIdType = (ComboBoxData)carrierList.Items[e.Index];
string strToShow = eIdType.Description.ToString();
if ((e.State & DrawItemState.Selected) > 0)
{
textBrush = SystemBrushes.HighlightText;
}
e.Graphics.DrawString(strToShow, drawFont, textBrush, e.Bounds);
e.DrawFocusRectangle();
}
}
protected override void OnDrawItem(DrawItemEventArgs e)
{
base.OnDrawItem(e);
if (e.Index > -1 && e.Index < this.Items.Count)
{
e.DrawBackground();
if ((e.State & DrawItemState.Focus) == DrawItemState.Focus)
{
e.DrawFocusRectangle();
}
using (SolidBrush textBrush = new SolidBrush(e.ForeColor))
{
string fontFamilyName;
fontFamilyName = this.Items[e.Index].ToString();
e.Graphics.DrawString(fontFamilyName, this.GetFont(fontFamilyName), textBrush, e.Bounds, _stringFormat);
}
}
}
public static void DrawComboBoxCentered(object sender, DrawItemEventArgs e)
{
ComboBox combo = (ComboBox)sender;
if (combo == null)
{
return;
}
e.DrawBackground();
if (e.Index >= 0)
{
StringFormat sf = new StringFormat();
sf.LineAlignment = StringAlignment.Center;
sf.Alignment = StringAlignment.Center;
Brush brush = new SolidBrush(combo.ForeColor);
if ((e.State & DrawItemState.Selected) == DrawItemState.Selected)
{
brush = SystemBrushes.HighlightText;
}
e.Graphics.DrawString(combo.Items[e.Index].ToString(), combo.Font, brush, e.Bounds, sf);
}
}
protected override void OnDrawItem(DrawItemEventArgs e)
{
try
{
if (e.Index == -1 || e.Index >= this.Items.Count)
{
return;
}
Annotation a = this.Items[e.Index] as Annotation;
if (a == null)
{
return;
}
e.DrawBackground();
bool selected = (e.State & DrawItemState.Selected) == DrawItemState.Selected;
Annotations.Render(a, e.Bounds, this.Font, e.Graphics, selected, true);
}
catch (Exception ex)
{
LabyrinthData.Log((object)ex);
}
}
protected override void OnDrawItem(DrawItemEventArgs itemEventArgs)
{
itemEventArgs.DrawBackground();
itemEventArgs.DrawFocusRectangle();
ComboBoxExItem item;
System.Drawing.Size imageSize = m_ImageList.ImageSize;
System.Drawing.Rectangle bounds = itemEventArgs.Bounds;
try
{
item = (ComboBoxExItem)Items[itemEventArgs.Index];
if(item.ImageIndex != -1)
{
m_ImageList.Draw(itemEventArgs.Graphics,bounds.Left,bounds.Top,item.ImageIndex);
itemEventArgs.Graphics.DrawString(item.Text,itemEventArgs.Font,new SolidBrush(itemEventArgs.ForeColor),bounds.Left+imageSize.Width,bounds.Top);
}
else
{
itemEventArgs.Graphics.DrawString(item.Text,itemEventArgs.Font,new SolidBrush(itemEventArgs.ForeColor),bounds.Left,bounds.Top);
}
}
catch
{
if(itemEventArgs.Index != -1)
{
itemEventArgs.Graphics.DrawString(Items[itemEventArgs.Index].ToString(),itemEventArgs.Font,new SolidBrush(itemEventArgs.ForeColor),bounds.Left,bounds.Top);
}
else
{
itemEventArgs.Graphics.DrawString(Text,itemEventArgs.Font,new SolidBrush(itemEventArgs.ForeColor),bounds.Left,bounds.Top);
}
}
base.OnDrawItem(itemEventArgs);
}
/// <summary>
/// Performs custom painting for a list item.
/// </summary>
/// <param name="e"></param>
protected override void OnDrawItem(DrawItemEventArgs e) {
base.OnDrawItem(e);
if ((e.Index >= 0) && (e.Index < Items.Count)) {
// get noteworthy states
bool comboBoxEdit = (e.State & DrawItemState.ComboBoxEdit) == DrawItemState.ComboBoxEdit;
bool selected = (e.State & DrawItemState.Selected) == DrawItemState.Selected;
bool noAccelerator = (e.State & DrawItemState.NoAccelerator) == DrawItemState.NoAccelerator;
bool disabled = (e.State & DrawItemState.Disabled) == DrawItemState.Disabled;
bool focus = (e.State & DrawItemState.Focus) == DrawItemState.Focus;
// determine grouping
string groupText;
bool isGroupStart = IsGroupStart(e.Index, out groupText) && !comboBoxEdit;
bool hasGroup = (groupText != String.Empty) && !comboBoxEdit;
// the item text will appear in a different colour, depending on its state
Color textColor;
if (disabled)
textColor = SystemColors.GrayText;
else if (!comboBoxEdit && selected)
textColor = SystemColors.HighlightText;
else
textColor = ForeColor;
// items will be indented if they belong to a group
Rectangle itemBounds = Rectangle.FromLTRB(
e.Bounds.X + (hasGroup ? 12 : 0),
e.Bounds.Y + (isGroupStart ? (e.Bounds.Height / 2) : 0),
e.Bounds.Right,
e.Bounds.Bottom
);
Rectangle groupBounds = new Rectangle(
e.Bounds.X,
e.Bounds.Y,
e.Bounds.Width,
e.Bounds.Height / 2
);
if (isGroupStart && selected) {
// ensure that the group header is never highlighted
e.Graphics.FillRectangle(SystemBrushes.Highlight, e.Bounds);
e.Graphics.FillRectangle(new SolidBrush(BackColor), groupBounds);
}
else if (disabled) {
// disabled appearance
e.Graphics.FillRectangle(Brushes.WhiteSmoke, e.Bounds);
}
else if (!comboBoxEdit) {
// use the default background-painting logic
e.DrawBackground();
}
// render group header text
if (isGroupStart) TextRenderer.DrawText(
e.Graphics,
groupText,
_groupFont,
groupBounds,
ForeColor,
_textFormatFlags
);
// render item text
TextRenderer.DrawText(
e.Graphics,
GetItemText(Items[e.Index]),
Font,
itemBounds,
textColor,
_textFormatFlags
);
// paint the focus rectangle if required
if (focus && !noAccelerator) {
if (isGroupStart && selected) {
// don't draw the focus rectangle around the group header
ControlPaint.DrawFocusRectangle(e.Graphics, Rectangle.FromLTRB(groupBounds.X, itemBounds.Y, itemBounds.Right, itemBounds.Bottom));
}
else {
// use default focus rectangle painting logic
e.DrawFocusRectangle();
}
}
}
}
protected override void OnDrawItem(object sender, DrawItemEventArgs e)
{
Brush textBrush; //Brush for the text
SmartListItem item;
Rectangle rc = e.Bounds;
int autoNum = (int)rc.Y / rc.Height + 1;
//int autoNum = e.Index + 1;
rc.X += DRAW_OFFSET;
//Get the SmartListItem
if ((e.Index > -1) && (e.Index < itemList.Count))
item = (SmartListItem)itemList[e.Index];
else
return;
//Check if the item is selected
if (e.State == DrawItemState.Selected)
{
//Highlighted
e.DrawBackground();
textBrush = new SolidBrush(SystemColors.HighlightText);
}
else
{
if (this.BackgroundImage != null) // don't do background if there is back image
{
Rectangle rcImage = Rectangle.Empty;
if (showLines)
rcImage = new Rectangle(0, rc.Y + 1, this.Width, rc.Height - 1);
else
rcImage = new Rectangle(0, rc.Y, this.Width, rc.Height);
e.Graphics.DrawImage(BackgroundImage, 1, rc.Y + 1, rcImage, GraphicsUnit.Pixel);
}
else
{
//Change the background for every even item
if ((e.Index % 2) == 0)
{
e.DrawBackground(colorEvenItem);
}
else
{
e.DrawBackground(this.BackColor);
}
}
textBrush = new SolidBrush(item.ForeColor);
}
int numberShift = 0;
SizeF numSize = SizeF.Empty;
if (autoNumbering)
{
numSize = e.Graphics.MeasureString("22", item.Font);
numberShift = (int)numSize.Width + 4;
}
///Check if the item has a image
if ((item.ImageIndex > -1) && (imageList != null))
{
Image img = imageList.Images[item.ImageIndex];
if (img != null)
{
imageAttr = new ImageAttributes();
//Set the transparency key
imageAttr.SetColorKey(BackgroundImageColor(img), BackgroundImageColor(img));
//Image's rectangle
Rectangle imgRect = Rectangle.Empty;
imgRect = new Rectangle(2 + numberShift, rc.Y + 2, img.Width, img.Height);
//Draw the image
e.Graphics.DrawImage(img, imgRect, 0, 0, img.Width, img.Height, GraphicsUnit.Pixel, imageAttr);
//Shift the text to the right
rc.X+=img.Width + 2;
}
}
//
if (autoNumbering)
{
e.Graphics.DrawString(autoNum.ToString(), item.Font, textBrush, 6, rc.Top + (rc.Height - (int)numSize.Height)/2);
rc.X+=numberShift;
}
//Draw item's text
if (wrapText)
e.Graphics.DrawString(item.Text, item.Font, textBrush, rc);
else
{
//center the text vertically
SizeF size = e.Graphics.MeasureString(item.Text, item.Font);
Rectangle rcText = Rectangle.Empty;
rcText = new Rectangle(rc.X, rc.Y + (rc.Height - (int)size.Height)/2, rc.Width - rc.X - 3, (int)size.Height);
string itemText = ShortString(item, e, rcText.Width);
if (selected > 0)
DrawTextSelected(e.Graphics, item, itemText, textBrush, 0, selected, rcText, e.State);
else
e.Graphics.DrawString(itemText, item.Font, textBrush, rcText);
}
//Draw the line
if (showLines)
e.Graphics.DrawLine(penLine, 0, e.Bounds.Bottom, e.Bounds.Width, e.Bounds.Bottom);
textBrush.Dispose();
//Call the base's OnDrawEvent
base.OnDrawItem (sender, e);
}
protected override void OnDrawItem(object sender, DrawItemEventArgs e)
{
Brush textBrush; //Brush for the text
Rectangle rc = e.Bounds;
rc.X += DRAW_OFFSET;
//Check if the item is selected
if (e.State == DrawItemState.Selected)
{
//Highlighted
e.DrawBackground();
textBrush = new SolidBrush(SystemColors.HighlightText);
}
else
{
//Change the background for every even item
if ((e.Index % 2) == 0)
{
e.DrawBackground(Color.Thistle);
}
else
{
e.DrawBackground(this.BackColor);
}
textBrush = new SolidBrush(this.ForeColor);
}
//Get the ListItem
ListItem item = (ListItem)this.Items[e.Index];
// //Check if the item has a image
if (item.ImageIndex > -1)
{
Image img = imageList.Images[item.ImageIndex];
if (img != null)
{
imageAttr = new ImageAttributes();
//Set the transparency key
imageAttr.SetColorKey(BackgroundImageColor(img), BackgroundImageColor(img));
//imageAttr.SetColorKey(Color.White, Color.White);
//Image's rectangle
Rectangle imgRect = new Rectangle(2, rc.Y+1, img.Width, img.Height);
//Draw the image
e.Graphics.DrawImage(img, imgRect, 0, 0, img.Width, img.Height, GraphicsUnit.Pixel, imageAttr);
//Shift the text to the right
rc.X+=img.Width + 2;
}
}
//Draw item's text
e.Graphics.DrawString(item.Text, e.Font, textBrush, rc);
//Draw the line
e.Graphics.DrawLine(new Pen(Color.Navy), 0, e.Bounds.Bottom, e.Bounds.Width, e.Bounds.Bottom);
//Call the base's OnDrawEvent
base.OnDrawItem (sender, e);
}
protected override void OnDrawItem(DrawItemEventArgs e)
{
try
{
using (var _textBrush = new SolidBrush(this.ForeColor))
{
this.Alignment = Alineacion;
TabPage _tabPage = this.TabPages[e.Index];
Rectangle _tabBounds = this.GetTabRect(e.Index);
Brush _TextBrush;
if (e.State != DrawItemState.Selected)
{
e.DrawBackground();
_TextBrush = new System.Drawing.SolidBrush(e.ForeColor);
}
else
{
using (var brush = new System.Drawing.Drawing2D.LinearGradientBrush(e.Bounds, gradient1, gradient2, 90f))
{
e.Graphics.FillRectangle(brush, e.Bounds);
_TextBrush = new SolidBrush(Color.White);
}
}
Font _TabFont = new Font("Arial", 12, FontStyle.Bold, GraphicsUnit.Pixel);
StringFormat _stringFlags = new StringFormat();
_stringFlags.Alignment = StringAlignment.Center;
_stringFlags.LineAlignment = StringAlignment.Center;
e.Graphics.DrawString(_tabPage.Text, _TabFont, _TextBrush, _tabBounds, new StringFormat(_stringFlags));
}
}
catch { }
}
protected override void OnDrawItem(object sender, DrawItemEventArgs e)
{
Brush textBrush; //Brush for the text
ListItem item;
Rectangle rc = e.Bounds;
rc.X += DRAW_OFFSET;
//Get the ListItem
if ((e.Index > -1) && (e.Index < itemList.Count))
item = (ListItem)itemList[e.Index];
else
return;
//Check if the item is selected
if (e.State == DrawItemState.Selected)
{
//Highlighted
e.DrawBackground();
textBrush = new SolidBrush(SystemColors.HighlightText);
}
else
{
//Change the background for every even item
if ((e.Index % 2) == 0)
{
e.DrawBackground(colorEvenItem);
}
else
{
e.DrawBackground(this.BackColor);
}
if (this.BackgroundImage != null) // don't do back ground if there is back image
{
Rectangle rcImage = Rectangle.Empty;
if (showLines)
rcImage = new Rectangle(0, rc.Y + 1, this.Width, rc.Height - 1);
else
rcImage = new Rectangle(0, rc.Y, this.Width, rc.Height);
e.Graphics.DrawImage(BackgroundImage, 0, rc.Y + 1, rcImage, GraphicsUnit.Pixel);
}
textBrush = new SolidBrush(item.ForeColor);
}
// //Check if the item has a image
if ((item.ImageIndex > -1) && (imageList != null))
{
Image img = imageList.Images[item.ImageIndex];
if (img != null)
{
imageAttr = new ImageAttributes();
//Set the transparency key
imageAttr.SetColorKey(BackgroundImageColor(img), BackgroundImageColor(img));
//Image's rectangle
Rectangle imgRect = new Rectangle(2, rc.Y + 2, img.Width, img.Height);
//Draw the image
e.Graphics.DrawImage(img, imgRect, 0, 0, img.Width, img.Height, GraphicsUnit.Pixel, imageAttr);
//Shift the text to the right
rc.X+=img.Width + 4;
}
}
//Draw item's text
if (wrapText)
e.Graphics.DrawString(item.Text, item.Font, textBrush, rc);
else
{
//center the text vertically
SizeF size = e.Graphics.MeasureString(item.Text, item.Font);
Rectangle rcText = new Rectangle(rc.X, rc.Y + (rc.Height - (int)size.Height)/2, rc.Width, (int)size.Height);
e.Graphics.DrawString(item.Text, item.Font, textBrush, rcText);
}
if (textBrush!=null)
textBrush.Dispose();
//Draw the line
if (showLines)
e.Graphics.DrawLine(penLine, 0, e.Bounds.Bottom, e.Bounds.Width, e.Bounds.Bottom);
//Call the base's OnDrawEvent
//MessageBox.Show(e.Index.ToString() + " " + item.Text);
base.OnDrawItem (sender, e);
}