HamBook – Diff between revs 29 and 54

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1 // Derived from https://stackoverflow.com/questions/63917294/custom-paint-in-toolstriptextbox 1 // Derived from https://stackoverflow.com/questions/63917294/custom-paint-in-toolstriptextbox
2 using System; 2  
3 using System.Collections.Generic; -  
4 using System.ComponentModel; 3 using System.ComponentModel;
5 using System.Drawing; 4 using System.Drawing;
6 using System.Linq; -  
7 using System.Text; -  
8 using System.Threading.Tasks; -  
9 using System.Windows.Forms; 5 using System.Windows.Forms;
10 using System.Windows.Forms.Design; 6 using System.Windows.Forms.Design;
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11   7  
12 namespace HamBook.Utilities.Controls 8 namespace HamBook.Utilities.Controls
13 { 9 {
14 [DesignerCategory("ToolStrip"), 10 [DesignerCategory("ToolStrip")]
15 ToolStripItemDesignerAvailability(ToolStripItemDesignerAvailability.All)] 11 [ToolStripItemDesignerAvailability(ToolStripItemDesignerAvailability.All)]
16 public class ScrollableToolStripComboBox : ToolStripComboBox 12 public class ScrollableToolStripComboBox : ToolStripComboBox
17 { -  
18 [Browsable(true), 13 {
19 EditorBrowsable(EditorBrowsableState.Always), -  
20 DesignerSerializationVisibility(DesignerSerializationVisibility.Visible), 14 public ScrollableToolStripComboBox()
21 Description("Mouse scrolling")] 15 {
-   16 ComboBox.MouseWheel += ComboBox_MouseWheel;
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22 public event MouseEventHandler MouseWheel; 17 }
23   18  
24 /// <summary> 19 /// <summary>
25 /// The image that will be displayed on the item. 20 /// The image that will be displayed on the item.
26 /// </summary> 21 /// </summary>
27 [Browsable(true), 22 [Browsable(true)]
28 EditorBrowsable(EditorBrowsableState.Always), 23 [EditorBrowsable(EditorBrowsableState.Always)]
29 DesignerSerializationVisibility(DesignerSerializationVisibility.Visible), 24 [DesignerSerializationVisibility(DesignerSerializationVisibility.Visible)]
30 Category("Appearance"), 25 [Category("Appearance")]
31 Description("The image associated with the object.")] 26 [Description("The image associated with the object.")]
-   27 public override Image Image
32 public override Image Image { get => base.Image; set => base.Image = value; } 28 {
-   29 get => base.Image;
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33   30 set => base.Image = value;
34 public new ComboBoxStyle DropDownStyle { get => base.DropDownStyle; set => base.DropDownStyle = value; } 31 }
-   32  
35   33 public new ComboBoxStyle DropDownStyle
36 public ScrollableToolStripComboBox() : base() 34 {
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-   35 get => base.DropDownStyle;
-   36 set => base.DropDownStyle = value;
-   37 }
-   38  
-   39 [Browsable(true)]
-   40 [EditorBrowsable(EditorBrowsableState.Always)]
37 { 41 [DesignerSerializationVisibility(DesignerSerializationVisibility.Visible)]
38 ComboBox.MouseWheel += ComboBox_MouseWheel; 42 [Description("Mouse scrolling")]
39 } 43 public event MouseEventHandler MouseWheel;
40   44  
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47 { 51 {
48 base.OnParentChanged(oldParent, newParent); 52 base.OnParentChanged(oldParent, newParent);
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49   53  
50 if (newParent != null && newParent is ToolStripDropDownMenu) 54 if (newParent != null && newParent is ToolStripDropDownMenu)
51 { 55 {
52 newParent.Paint -= new PaintEventHandler(OnParentPaint); 56 newParent.Paint -= OnParentPaint;
53 newParent.Paint += new PaintEventHandler(OnParentPaint); 57 newParent.Paint += OnParentPaint;
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54 } 58 }
55   59  
56 if (oldParent != null) 60 if (oldParent != null)
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57 oldParent.Paint -= new PaintEventHandler(OnParentPaint); 61 oldParent.Paint -= OnParentPaint;
58 } 62 }
59   63  
60 private void OnParentPaint(object sender, PaintEventArgs e) 64 private void OnParentPaint(object sender, PaintEventArgs e)
61 { 65 {
62 if (Image is null || 66 if (Image is null ||
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63 (sender is ContextMenuStrip cmnu && 67 (sender is ContextMenuStrip cmnu &&
64 !cmnu.ShowImageMargin && !cmnu.ShowCheckMargin)) 68 !cmnu.ShowImageMargin && !cmnu.ShowCheckMargin))
65 return; 69 return;
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72 r.X = Bounds.Right + r.Width - ContentRectangle.X; 76 r.X = Bounds.Right + r.Width - ContentRectangle.X;
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73   77  
74 e.Graphics.DrawImage(Image, r); 78 e.Graphics.DrawImage(Image, r);
75 } 79 }
76 } 80 }
77 } 81 }