有没有办法使用Visual Studio和Windows 10样式的Forms创建ContextMenuStrip。我知道,它的渲染器可以改变,看起来像Windows Vista,7和8.这就是我所做的:
但我也希望在Windows 10中看起来像这样:
有没有办法使用Windows Forms,或者应该以某种特殊的方式使用Metro类等?
答案 0 :(得分:6)
您可以实施自定义Renderer
并覆盖OnRenderArrow
和OnRenderItemCheck
,并将自定义ColorTable
传递给它。然后将其设置为Renderer
的{{1}}。
ColorTable代码:
ContextMenu
渲染器代码:
public class MyColorTable : ProfessionalColorTable
{
public override Color MenuItemBorder
{
get { return Color.WhiteSmoke; }
}
public override Color MenuItemSelected
{
get { return Color.WhiteSmoke; }
}
public override Color ToolStripDropDownBackground
{
get { return Color.White; }
}
public override Color ImageMarginGradientBegin
{
get { return Color.White; }
}
public override Color ImageMarginGradientMiddle
{
get { return Color.White; }
}
public override Color ImageMarginGradientEnd
{
get { return Color.White; }
}
}
表单加载代码:
public class MyRenderer : ToolStripProfessionalRenderer
{
public MyRenderer()
: base(new MyColorTable())
{
}
protected override void OnRenderArrow(ToolStripArrowRenderEventArgs e)
{
e.Graphics.SmoothingMode = SmoothingMode.AntiAlias;
var r = new Rectangle(e.ArrowRectangle.Location, e.ArrowRectangle.Size);
r.Inflate(-2, -6);
e.Graphics.DrawLines(Pens.Black, new Point[]{
new Point(r.Left, r.Top),
new Point(r.Right, r.Top + r.Height /2),
new Point(r.Left, r.Top+ r.Height)});
}
protected override void OnRenderItemCheck(ToolStripItemImageRenderEventArgs e)
{
e.Graphics.SmoothingMode = SmoothingMode.AntiAlias;
var r = new Rectangle(e.ImageRectangle.Location, e.ImageRectangle.Size);
r.Inflate(-4, -6);
e.Graphics.DrawLines(Pens.Black, new Point[]{
new Point(r.Left, r.Bottom - r.Height /2),
new Point(r.Left + r.Width /3, r.Bottom),
new Point(r.Right, r.Top)});
}
}