/// <summary>
/// 关闭Tab之前触发事件
/// </summary>
/// <summary>
/// </summary>
/// <param name="e"></param>
protected override void OnPaint(PaintEventArgs e)
{
base.OnPaint(e);
if (!Visible)
{
return;
}
//画选点击选项卡,
if (TabCount > 0)
{
var g = e.Graphics;
Share.GraphicSetup(g);
// g.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality;
// g.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.HighQualityBilinear;
// g.TextRenderingHint = System.Drawing.Text.TextRenderingHint.AntiAlias;
// alpha = Alpha.Normal;
var sb = new SolidBrush(Share.BackColor);
var pen = new Pen(Share.BorderColor);
// g.FillPath(sb, GetPath(ClientRectangle, 5)); //画整体边框
// g.DrawPath(pen, GetPath(ClientRectangle, 5)); //画整体背景
var tabRect = Rectangle.Empty;
var selecttabRect = Rectangle.Empty;
// Point cursorPoint = this.PointToClient(MousePosition);
TabPage page = null;
TabPage selectPage = null;
GraphicsPath gp = null;
GraphicsPath selectgp = null;
for (var i = 0; i < TabCount; i++)
{
page = TabPages[i];
tabRect = GetTabRect(i);
tabRect.X += 2;
tabRect.Y += 2;
gp = DrawHelper.GetGoogleTabPath(tabRect, 8);
if (SelectedIndex != i)
{
// alpha = Alpha.MoveOrUp;
page.ForeColor = Color.CornflowerBlue;
// sb = new SolidBrush(color);
// pen = new Pen(color);
sb.Color = Share.DisabelBackColor;
g.FillPath(sb, gp); //画边框
g.DrawPath(pen, gp); //画背景
gp.Dispose();
// sb.Dispose();
//渲染选项卡文字
tabRect.X += 10; //让文字往右偏移10个像素.因为谷歌的tab 是个梯形的
tabRect.Width -= 20;
TextRenderer.DrawText(g, page.Text, page.Font, tabRect,
page.ForeColor,
TextFormatFlags.VerticalCenter | TextFormatFlags.EndEllipsis |
TextFormatFlags.HorizontalCenter);
}
else
{
selectPage = page;
selectgp = gp;
selecttabRect = tabRect;
}
if (i == TabCount - 1)
{
selectPage.ForeColor = Color.Orange;
// alpha = Alpha.a200;
// sb = new SolidBrush(color);
// pen = new Pen(color);
sb.Color = Share.BackColor;
g.FillPath(sb, selectgp); //画背景
g.DrawPath(pen, selectgp); //画边框
selectgp.Dispose();
// sb.Dispose();
//画叉叉 ,叉叉是在最上层的, 所以要最后画
Bitmap clsBitmap;
if (closeState == MouseState.press)
{
clsBitmap = Properties.Resources.icon_tbclose_press;
}
else if (closeState == MouseState.move)
{
clsBitmap = Properties.Resources.icon_tbclose_hover;
}
else
{
clsBitmap = Properties.Resources.icon_tbclose_normal;
}
g.DrawImage(clsBitmap, GetCloseRect(selecttabRect));
clsBitmap.Dispose();
//渲染选项卡文字
selecttabRect.X += 10; //让文字往右偏移10个像素.因为谷歌的tab 是个梯形的
selecttabRect.Width -= 20;
TextRenderer.DrawText(g, selectPage.Text, selectPage.Font, selecttabRect,
selectPage.ForeColor,
TextFormatFlags.VerticalCenter | TextFormatFlags.EndEllipsis |
TextFormatFlags.HorizontalCenter);
var rect = new Rectangle(GetTabRect(0).X + 2,
GetTabRect(0).Bottom + 2,
TabPages[0].DisplayRectangle.Width + 6,
TabPages[0].DisplayRectangle.Height + 6);
var path = GetPath(rect, 5);
pen.Color = Share.BorderColor;
g.DrawPath(pen, path); //画页面边框
path.Dispose();
}
}
sb.Dispose();
pen.Dispose();
}
}