88 lines
3.1 KiB
C#
88 lines
3.1 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using System.Drawing;
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using System.Drawing.Drawing2D;
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using System.Windows.Forms;
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namespace ControllCustoms.RadioButtonNT
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{
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public class RadioButtonCustom : RadioButton
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{
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//propriedades privadas
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private Color checkedColor = Color.MediumSlateBlue;
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private Color unCheckedColor = Color.Gray;
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//propriedades publicas
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public Color CheckedColor { get => checkedColor; set => checkedColor = value; }
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public Color UnCheckedColor { get => unCheckedColor; set => unCheckedColor = value; }
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//construtor
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public RadioButtonCustom()
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{
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this.MinimumSize = new Size(0, 21);
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//Add a padding of 10 to the left to have a considerable distance between the text and the RadioButton.
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this.Padding = new Padding(10, 0, 0, 0);
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}//end construtor
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protected override void OnPaint(PaintEventArgs pevent)
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{
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//Fields
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Graphics graphics = pevent.Graphics;
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graphics.SmoothingMode = SmoothingMode.AntiAlias;
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float rbBorderSize = 18F;
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float rbCheckSize = 12F;
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RectangleF rectRbBorder = new RectangleF()
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{
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X = 0.5F,
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Y = (this.Height - rbBorderSize) / 2, //Center
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Width = rbBorderSize,
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Height = rbBorderSize
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};
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RectangleF rectRbCheck = new RectangleF()
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{
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X = rectRbBorder.X + ((rectRbBorder.Width - rbCheckSize) / 2), //Center
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Y = (this.Height - rbCheckSize) / 2, //Center
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Width = rbCheckSize,
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Height = rbCheckSize
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};
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//Drawing
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using (Pen penBorder = new Pen(checkedColor, 1.6F))
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using (SolidBrush brushRbCheck = new SolidBrush(checkedColor))
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using (SolidBrush brushText = new SolidBrush(this.ForeColor))
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{
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//Draw surface
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graphics.Clear(this.BackColor);
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//Draw Radio Button
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if (this.Checked)
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{
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graphics.DrawEllipse(penBorder, rectRbBorder);//Circle border
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graphics.FillEllipse(brushRbCheck, rectRbCheck); //Circle Radio Check
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}
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else
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{
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penBorder.Color = unCheckedColor;
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graphics.DrawEllipse(penBorder, rectRbBorder); //Circle border
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}
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//Draw text
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graphics.DrawString(this.Text, this.Font, brushText,
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rbBorderSize + 8, (this.Height - TextRenderer.MeasureText(this.Text, this.Font).Height) / 2);//Y=Center
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}
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}
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//X-> Obsolete code, this was replaced by the Padding property in the constructor
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//(this.Padding = new Padding(10,0,0,0);)
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//protected override void OnResize(EventArgs e)
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//{
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// base.OnResize(e);
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// this.Width = TextRenderer.MeasureText(this.Text, this.Font).Width + 30;
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//}
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}//end OnPaint
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}
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