55 lines
1.5 KiB
C#
55 lines
1.5 KiB
C#
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using System.ComponentModel;
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using System.Drawing;
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using System.Windows.Forms;
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namespace Pulsar.Server.Controls
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{
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public class MenuButton : Button
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{
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[DefaultValue(null)]
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public ContextMenuStrip Menu { get; set; }
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[DefaultValue(false)]
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public bool ShowMenuUnderCursor { get; set; }
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protected override void OnMouseDown(MouseEventArgs mevent)
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{
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base.OnMouseDown(mevent);
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if (Menu != null && mevent.Button == MouseButtons.Left)
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{
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Point menuLocation;
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if (ShowMenuUnderCursor)
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{
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menuLocation = mevent.Location;
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}
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else
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{
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menuLocation = new Point(0, Height - 1);
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}
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Menu.Show(this, menuLocation);
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}
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}
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protected override void OnPaint(PaintEventArgs pevent)
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{
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base.OnPaint(pevent);
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if (Menu != null)
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{
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int arrowX = ClientRectangle.Width - Padding.Right - 14;
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int arrowY = (ClientRectangle.Height / 2) - 1;
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Color color = Color.White;
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using (Brush brush = new SolidBrush(color))
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{
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Point[] arrows = new Point[] { new Point(arrowX, arrowY), new Point(arrowX + 7, arrowY), new Point(arrowX + 3, arrowY + 4) };
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pevent.Graphics.FillPolygon(brush, arrows);
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}
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}
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}
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}
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}
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