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using System.Drawing;
using System.Drawing.Drawing2D;
using System.Windows.Forms;
namespace WeifenLuo.WinFormsUI.Docking
{
internal class VS2012LightSplitterControl : DockPane.SplitterControlBase
{
private readonly SolidBrush _horizontalBrush;
private readonly Color[] _verticalSurroundColors;
public VS2012LightSplitterControl(DockPane pane)
: base(pane)
{
_horizontalBrush = new SolidBrush(pane.DockPanel.Skin.DockPaneStripSkin.DocumentGradient.ActiveTabGradient.EndColor);
this._verticalSurroundColors = new[]
{
pane.DockPanel.Skin.DockPaneStripSkin.DocumentGradient
.InactiveTabGradient.StartColor
};
}
protected override void OnPaint(PaintEventArgs e)
{
base.OnPaint(e);
Rectangle rect = ClientRectangle;
if (rect.Width <= 0 || rect.Height <= 0)
return;
switch (Alignment)
{
case DockAlignment.Right:
case DockAlignment.Left:
{
using (var path = new GraphicsPath())
{
path.AddRectangle(rect);
using (var brush = new PathGradientBrush(path)
{
CenterColor = this._horizontalBrush.Color, SurroundColors = _verticalSurroundColors
})
{
e.Graphics.FillRectangle(brush, rect.X + Measures.SplitterSize / 2 - 1, rect.Y,
Measures.SplitterSize / 3, rect.Height);
}
}
}
break;
case DockAlignment.Bottom:
case DockAlignment.Top:
{
e.Graphics.FillRectangle(_horizontalBrush, rect.X, rect.Y,
rect.Width, Measures.SplitterSize);
}
break;
}
}
}
} |