C# Create A Rounded Button
C# From Beginner To Pro - Create A Rounded Button. Here is the code so you will not have to type.
public class RoundButton : Button
{
protected override void OnPaint(PaintEventArgs e)
{
base.OnPaint(e);
RectangleF Rect = new RectangleF(0, 0, this.Width, this.Height);
GraphicsPath GraphPath = GetRoundPath(Rect, 48);
this.Region = new Region(GraphPath);
Color borderColor = this.FlatAppearance.BorderColor;
using (Pen pen = new Pen(borderColor, 1.65f))
{
pen.Alignment = PenAlignment.Inset;
e.Graphics.InterpolationMode = InterpolationMode.High;
e.Graphics.CompositingQuality = CompositingQuality.HighQuality;
e.Graphics.SmoothingMode = SmoothingMode.AntiAlias;
e.Graphics.DrawPath(pen, GraphPath);
}
}
GraphicsPath GetRoundPath(RectangleF Rect, int radius)
{
float r2 = radius / 2f;
GraphicsPath GraphPath = new GraphicsPath();
GraphPath.AddArc(Rect.X, Rect.Y, radius, radius, 180, 90);
GraphPath.AddLine(Rect.X + r2, Rect.Y, Rect.Width - r2, Rect.Y);
GraphPath.AddArc(Rect.X + Rect.Width - radius, Rect.Y, radius, radius, 270, 90);
GraphPath.AddLine(Rect.Width, Rect.Y + r2, Rect.Width, Rect.Height - r2);
GraphPath.AddArc(Rect.X + Rect.Width - radius,
Rect.Y + Rect.Height - radius, radius, radius, 0, 90);
GraphPath.AddLine(Rect.Width - r2, Rect.Height, Rect.X + r2, Rect.Height);
GraphPath.AddArc(Rect.X, Rect.Y + Rect.Height - radius, radius, radius, 90, 90);
GraphPath.AddLine(Rect.X, Rect.Height - r2, Rect.X, Rect.Y + r2);
GraphPath.CloseFigure();
return GraphPath;
}
}
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