protected override void OnRenderImageMargin(ToolStripRenderEventArgs e)
{
ToolStrip toolStrip = e.ToolStrip;
Graphics g = e.Graphics;
GDIHelper.InitializeGraphics(g);
Rectangle rect = e.AffectedBounds;
rect.Width -= 1; rect.Height -= 1;
if (toolStrip is ToolStripDropDown)
{
rect.Width = this._OffsetMargin;
Color c = this.MenuImageMarginBackColor;
CornerRadius toolStripCornerRadius = new CornerRadius(this.MenuCornerRadius);
RoundRectangle roundRect = new RoundRectangle(rect, toolStripCornerRadius);
GDIHelper.FillPath(g, new RoundRectangle(rect, new CornerRadius(this.MenuCornerRadius, 0, this.MenuCornerRadius, 0)), c, c);
Image img = this.MenuImageBackImage;
if (img != null && this.ShowMenuBackImage)
{
ImageAttributes imgAttributes = new ImageAttributes();
GDIHelper.SetImageOpacity(imgAttributes, this.MenuImageBackImageOpacity);
g.DrawImage(Properties.Resources.logo_mini, new Rectangle(rect.X + 1, rect.Y + 2, img.Width, img.Height), 0, 0, img.Width, img.Height, GraphicsUnit.Pixel, imgAttributes);
}
////绘制间隔线
Point p1, p2;
p1 = new Point(rect.X + this._OffsetMargin, rect.Y + 3);
p2 = new Point(rect.X + this._OffsetMargin, rect.Bottom - 3);
using (Pen pen = new Pen(SkinManager.CurrentSkin.BorderColor))
{
g.DrawLine(pen, p1, p2);
}
}
else
{
base.OnRenderImageMargin(e);
}
}