1  // Copyright (c) Microsoft Corporation
 2  // The Microsoft Corporation licenses this file to you under the MIT license.
 3  // See the LICENSE file in the project root for more information.
 4  
 5  using System.ComponentModel;
 6  using System.Drawing;
 7  using System.Windows.Forms;
 8  
 9  namespace MouseWithoutBorders
10  {
11      public partial class ImageRadioButton : RadioButton
12      {
13          private Image CheckImage => Checked ? CheckedImage : UncheckedImage;
14  
15          private Point _imageLocation;
16  
17          [Category("Appearance")]
18          [Description("The bounding rectangle of the check image in local co-ordinates")]
19          [DesignerSerializationVisibility(DesignerSerializationVisibility.Visible)]
20          public Point ImageLocation
21          {
22              get => _imageLocation;
23              set
24              {
25                  _imageLocation = value;
26                  Refresh();
27              }
28          }
29  
30          private Point _textLocation;
31  
32          [DesignerSerializationVisibility(DesignerSerializationVisibility.Visible)]
33          public Point TextLocation
34          {
35              get => _textLocation;
36              set
37              {
38                  _textLocation = value;
39                  Refresh();
40              }
41          }
42  
43          public ImageRadioButton()
44          {
45              InitializeComponent();
46          }
47  
48          private Image _checkedImage;
49  
50          [Category("Appearance")]
51          [Description("Image to show when Mouse is pressed on button")]
52          [DesignerSerializationVisibility(DesignerSerializationVisibility.Visible)]
53          public Image CheckedImage
54          {
55              get => _checkedImage;
56              set
57              {
58                  _checkedImage = value;
59                  Refresh();
60              }
61          }
62  
63          private Image _uncheckedImage;
64  
65          [Category("Appearance")]
66          [Description("Image to show when button is in normal state")]
67          [DesignerSerializationVisibility(DesignerSerializationVisibility.Visible)]
68          public Image UncheckedImage
69          {
70              get => _uncheckedImage;
71              set
72              {
73                  _uncheckedImage = value;
74                  Refresh();
75              }
76          }
77  
78          protected override void OnPaint(PaintEventArgs pevent)
79          {
80              if (CheckImage == null)
81              {
82                  base.OnPaint(pevent);
83              }
84              else
85              {
86                  OnPaintBackground(pevent);
87                  pevent.Graphics.DrawImage(CheckImage, ImageLocation.X, ImageLocation.Y, CheckImage.Width, CheckImage.Height);
88                  if (!string.IsNullOrEmpty(Text))
89                  {
90                      pevent.Graphics.DrawString(Text, Font, Brushes.White, TextLocation);
91                  }
92              }
93          }
94      }
95  }