private void navBarControl1_CustomDrawLink(object sender, CustomDrawNavBarElementEventArgs e)
{
SizeF textSize = e.Cache.CalcTextSize(e.Caption, e.Appearance.Font, StringFormat.GenericDefault, e.RealBounds.Width);
NavLinkInfoArgs args = (NavLinkInfoArgs)e.ObjectInfo;
Rectangle newCaptionRectangle = args.RealCaptionRectangle;
newCaptionRectangle.Width = Convert.ToInt32(textSize.Width);
args.CaptionRectangle = newCaptionRectangle;
}
private void navBarControl1_CustomDrawLink(object sender, CustomDrawNavBarElementEventArgs e)
{
DevExpress.XtraNavBar.NavBarItemLink link = ((NavLinkInfoArgs)e.ObjectInfo).Link;
if (link.State == DevExpress.Utils.Drawing.ObjectState.Selected ||
link.State == DevExpress.Utils.Drawing.ObjectState.Hot ||
link.State == DevExpress.Utils.Drawing.ObjectState.Pressed
)
{
e.Graphics.FillRectangle(Brushes.DodgerBlue, e.RealBounds);
}
}
/// <summary>
/// 显示选中背景色
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void ChatNav_CustomDrawLink(object sender, CustomDrawNavBarElementEventArgs e)
{
NavBarItemLink link = ((NavLinkInfoArgs)e.ObjectInfo).Link;
if (link.State == DevExpress.Utils.Drawing.ObjectState.Selected ||
link.State == DevExpress.Utils.Drawing.ObjectState.Hot
)
{
link.Item.AppearancePressed.ForeColor = Color.White;
// link.Item.Appearance.Options.UseFont = true;
e.Graphics.FillRectangle(Brushes.DodgerBlue, e.RealBounds);
}
}
private void NavBarSyntax_CustomDrawLink(object sender, CustomDrawNavBarElementEventArgs e)
{
if (e.ObjectInfo.State == ObjectState.Hot || e.ObjectInfo.State == ObjectState.Pressed)
{
LinearGradientBrush brush;
var textFormat = new StringFormat();
textFormat.LineAlignment = StringAlignment.Center;
var linkInfo = e.ObjectInfo as NavLinkInfoArgs;
if (linkInfo.Link.Group.GroupCaptionUseImage == NavBarImage.Large)
{
textFormat.Alignment = StringAlignment.Center;
}
else
{
textFormat.Alignment = StringAlignment.Near;
}
if (e.ObjectInfo.State == ObjectState.Hot)
{
brush = new LinearGradientBrush(e.RealBounds, Color.Orange, Color.PeachPuff,
LinearGradientMode.Horizontal);
}
else
{
brush = new LinearGradientBrush(e.RealBounds, Color.PeachPuff, Color.Orange,
LinearGradientMode.Horizontal);
}
e.Graphics.FillRectangle(new SolidBrush(Color.OrangeRed), e.RealBounds);
e.Graphics.FillRectangle(brush, e.RealBounds);
if (e.Image != null)
{
var imageRect = linkInfo.ImageRectangle;
imageRect.X += (imageRect.Width - e.Image.Width) / 2;
imageRect.Y += (imageRect.Height - e.Image.Height) / 2;
imageRect.Size = e.Image.Size;
e.Graphics.DrawImageUnscaled(e.Image, imageRect);
}
var rect = e.RealBounds;
rect.Inflate(-1, -1);
e.Appearance.DrawString(e.Cache, e.Caption, linkInfo.RealCaptionRectangle, Brushes.White);
e.Graphics.DrawRectangle(Pens.Indigo, rect);
e.Handled = true;
}
}
