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378
2020/12/TImageButton.cs
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378
2020/12/TImageButton.cs
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using System;
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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 RyzStudio.Windows.Forms
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{
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public class TImageButton : System.Windows.Forms.Label
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{
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public enum TImageBoxState
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{
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Disabled = 0,
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Normal,
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Hover,
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Active
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}
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protected bool isEnabled = true;
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protected bool isHover = false;
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protected Color foreColor = Color.Black;
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protected string text;
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protected Size textSize = new Size();
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protected DockStyle textAlign = DockStyle.Fill;
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protected TImageBoxState controlState = TImageBoxState.Normal;
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public TImageButton()
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{
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this.AutoEllipsis = true;
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this.AutoSize = false;
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this.BackColor = Color.Transparent;
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//this.BackgroundImage = Properties.Resources.circle;
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this.BackgroundImageLayout = ImageLayout.Center;
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this.BorderStyle = BorderStyle.None;
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this.CausesValidation = true;
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this.DoubleBuffered = true;
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this.FlatStyle = FlatStyle.Flat;
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this.ForeColor = Color.Black;
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this.ImageAlign = ContentAlignment.MiddleCenter;
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//this.Margin = new Padding(0);
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//this.MaximumSize = new Size(135, 135);
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//this.MinimumSize = this.MaximumSize;
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//this.Padding = new Padding(0);
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//this.Size = this.MaximumSize;
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base.TextAlign = ContentAlignment.MiddleCenter;
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this.TextAlign = DockStyle.Fill;
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this.UseCompatibleTextRendering = false;
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this.UseMnemonic = true;
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this.DisabledForeColor = Color.Black;
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this.ControlState = TImageBoxState.Normal;
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}
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[Browsable(false), EditorBrowsable(EditorBrowsableState.Never)]
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public override bool AllowDrop { get => base.AllowDrop; set => base.AllowDrop = value; }
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[Browsable(false), EditorBrowsable(EditorBrowsableState.Never)]
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public new bool AutoEllipsis { get => base.AutoEllipsis; set => base.AutoEllipsis = value; }
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[Browsable(false), EditorBrowsable(EditorBrowsableState.Never)]
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public override bool AutoSize { get => base.AutoSize; set => base.AutoSize = value; }
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[Browsable(false), EditorBrowsable(EditorBrowsableState.Never)]
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public override Color BackColor { get => base.BackColor; set => base.BackColor = value; }
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[Browsable(false), EditorBrowsable(EditorBrowsableState.Never)]
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public override Image BackgroundImage { get => base.BackgroundImage; set => base.BackgroundImage = value; }
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[Browsable(false), EditorBrowsable(EditorBrowsableState.Never)]
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public override ImageLayout BackgroundImageLayout { get => base.BackgroundImageLayout; set => base.BackgroundImageLayout = value; }
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[Browsable(false), EditorBrowsable(EditorBrowsableState.Never)]
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public new BorderStyle BorderStyle { get => base.BorderStyle; set => base.BorderStyle = value; }
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[Browsable(false), EditorBrowsable(EditorBrowsableState.Never)]
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public new bool CausesValidation { get => base.CausesValidation; set => base.CausesValidation = value; }
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[Browsable(false), EditorBrowsable(EditorBrowsableState.Never)]
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public override Cursor Cursor { get => base.Cursor; set => base.Cursor = value; }
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//[Browsable(false), EditorBrowsable(EditorBrowsableState.Never)]
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public new bool Enabled
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{
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get => isEnabled;
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set
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{
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isEnabled = value;
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this.ControlState = (isEnabled ? TImageBoxState.Normal : TImageBoxState.Disabled);
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}
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}
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[Browsable(false), EditorBrowsable(EditorBrowsableState.Never)]
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public new FlatStyle FlatStyle { get => base.FlatStyle; set => base.FlatStyle = value; }
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//[Browsable(false), EditorBrowsable(EditorBrowsableState.Never)]
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//public override Font Font { get => base.Font; set => base.Font = value; }
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//[Browsable(false), EditorBrowsable(EditorBrowsableState.Never)]
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public override Color ForeColor { get => foreColor; set => foreColor = value; }
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[Browsable(false), EditorBrowsable(EditorBrowsableState.Never)]
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public new Image Image { get => base.Image; set => base.Image = value; }
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[Browsable(false), EditorBrowsable(EditorBrowsableState.Never)]
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public new ContentAlignment ImageAlign { get => base.ImageAlign; set => base.ImageAlign = value; }
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[Browsable(false), EditorBrowsable(EditorBrowsableState.Never)]
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public new string ImageKey { get => base.ImageKey; set => base.ImageKey = value; }
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[Browsable(false), EditorBrowsable(EditorBrowsableState.Never)]
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public new int ImageIndex { get => base.ImageIndex; set => base.ImageIndex = value; }
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[Browsable(false), EditorBrowsable(EditorBrowsableState.Never)]
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public new ImageList ImageList { get => base.ImageList; set => base.ImageList = value; }
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[Browsable(false), EditorBrowsable(EditorBrowsableState.Never)]
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public new ImeMode ImeMode { get => base.ImeMode; set => base.ImeMode = value; }
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//[Browsable(false), EditorBrowsable(EditorBrowsableState.Never)]
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//public new Padding Margin { get => base.Margin; set => base.Margin = value; }
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[Browsable(false), EditorBrowsable(EditorBrowsableState.Never)]
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public override Size MaximumSize { get => base.MaximumSize; set => base.MaximumSize = value; }
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[Browsable(false), EditorBrowsable(EditorBrowsableState.Never)]
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public override Size MinimumSize { get => base.MinimumSize; set => base.MinimumSize = value; }
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[Browsable(false), EditorBrowsable(EditorBrowsableState.Never)]
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public new Padding Padding { get => base.Padding; set => base.Padding = value; }
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[Browsable(false), EditorBrowsable(EditorBrowsableState.Never)]
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public override RightToLeft RightToLeft { get => base.RightToLeft; set => base.RightToLeft = value; }
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[Browsable(false), EditorBrowsable(EditorBrowsableState.Never)]
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public new object Tag { get => base.Tag; set => base.Tag = value; }
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[Browsable(false), EditorBrowsable(EditorBrowsableState.Never)]
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//public new string Text { get => base.Text; set => base.Text = value; }
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public new string Text { get => base.Text; set => base.Text = string.Empty; }
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[Category("Appearance")]
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public string Text2
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{
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get => text;
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set
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{
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base.Text = string.Empty;
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text = value ?? string.Empty;
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textSize = TextRenderer.MeasureText(text, this.Font);
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}
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}
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//[Browsable(false), EditorBrowsable(EditorBrowsableState.Never)]
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//public new ContentAlignment TextAlign { get => base.TextAlign; set => base.TextAlign = value; }
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[Category("Appearance")]
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public new DockStyle TextAlign { get => textAlign; set => textAlign = value; }
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[Browsable(false), EditorBrowsable(EditorBrowsableState.Never)]
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public new bool UseCompatibleTextRendering { get => base.UseCompatibleTextRendering; set => base.UseCompatibleTextRendering = value; }
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[Browsable(false), EditorBrowsable(EditorBrowsableState.Never)]
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public new bool UseMnemonic { get => base.UseMnemonic; set => base.UseMnemonic = value; }
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[Browsable(false), EditorBrowsable(EditorBrowsableState.Never)]
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public new bool UseWaitCursor { get => base.UseWaitCursor; set => base.UseWaitCursor = value; }
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protected override void OnPaint(PaintEventArgs e)
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{
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base.OnPaint(e);
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Graphics g = e.Graphics;
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Point pos = calcTextPosition();
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TextRenderer.DrawText(e.Graphics, this.Text2, this.Font, pos, base.ForeColor);
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}
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protected override void OnClick(EventArgs e)
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{
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if (this.Enabled || this.AllowClickOnDisabled)
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{
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base.OnClick(e);
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}
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}
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protected override void OnDoubleClick(EventArgs e)
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{
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if (this.Enabled || this.AllowClickOnDisabled)
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{
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base.OnDoubleClick(e);
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}
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}
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protected override void OnFontChanged(EventArgs e)
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{
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base.OnFontChanged(e);
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this.Text2 = this.Text2;
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}
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protected override void OnMouseClick(MouseEventArgs e)
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{
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if (!this.Enabled && !this.AllowClickOnDisabled) return;
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if (e.Button != MouseButtons.Left) return;
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base.OnMouseClick(e);
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}
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protected override void OnMouseDoubleClick(MouseEventArgs e)
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{
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if (!this.Enabled && !this.AllowClickOnDisabled) return;
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if (e.Button != MouseButtons.Left) return;
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base.OnMouseDoubleClick(e);
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}
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protected override void OnMouseDown(MouseEventArgs e)
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{
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if (e.Button != MouseButtons.Left) return;
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this.ControlState = (this.Enabled ? TImageBoxState.Active : TImageBoxState.Disabled);
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base.OnMouseDown(e);
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}
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protected override void OnMouseEnter(EventArgs e)
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{
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isHover = true;
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this.ControlState = (this.Enabled ? (isHover ? TImageBoxState.Hover : TImageBoxState.Normal) : TImageBoxState.Disabled);
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base.OnMouseEnter(e);
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}
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protected override void OnMouseLeave(EventArgs e)
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{
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isHover = false;
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this.ControlState = (this.Enabled ? (isHover ? TImageBoxState.Hover : TImageBoxState.Normal) : TImageBoxState.Disabled);
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base.OnMouseLeave(e);
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}
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protected override void OnMouseUp(MouseEventArgs e)
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{
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this.ControlState = (this.Enabled ? (isHover ? TImageBoxState.Hover : TImageBoxState.Normal) : TImageBoxState.Disabled);
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base.OnMouseUp(e);
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}
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protected override void OnCreateControl()
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{
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base.OnCreateControl();
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this.ControlState = this.ControlState;
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this.AutoSize = false;
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}
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[Category("Appearance (Background)")]
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public bool UseBackImage { get; set; } = true;
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[Category("Appearance (Foreground)")]
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public bool UseForeImage { get; set; } = false;
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[Category("Appearance")]
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public Color DisabledForeColor { get; set; }
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[Category("Appearance")]
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public int TextOffset { get; set; } = 0;
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[Category("Behavior")]
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public bool AllowClickOnDisabled { get; set; } = false;
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[Category("Appearance (Foreground)")]
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public Image NormalImage { get; set; } = null;
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[Category("Appearance (Foreground)")]
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public Image HoverImage { get; set; } = null;
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[Category("Appearance (Foreground)")]
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public Image ActiveImage { get; set; } = null;
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[Category("Appearance (Foreground)")]
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public Image DisabledImage { get; set; } = null;
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[Category("Appearance (Background)")]
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public Image NormalBackImage { get; set; } = null;
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[Category("Appearance (Background)")]
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public Image HoverBackImage { get; set; } = null;
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[Category("Appearance (Background)")]
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public Image ActiveBackImage { get; set; } = null;
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[Category("Appearance (Background)")]
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public Image DisabledBackImage { get; set; } = null;
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protected TImageBoxState ControlState
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{
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get => controlState;
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set
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{
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controlState = value;
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switch (controlState)
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{
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case TImageBoxState.Disabled:
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if (this.UseBackImage) this.BackgroundImage = this.DisabledBackImage;
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if (this.UseForeImage) this.Image = this.DisabledImage;
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base.ForeColor = this.DisabledForeColor;
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break;
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case TImageBoxState.Normal:
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if (this.UseBackImage) this.BackgroundImage = this.NormalBackImage;
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if (this.UseForeImage) this.Image = this.NormalImage;
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base.ForeColor = this.ForeColor;
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break;
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case TImageBoxState.Hover:
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if (this.UseBackImage) this.BackgroundImage = this.HoverBackImage;
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if (this.UseForeImage) this.Image = this.HoverImage;
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base.ForeColor = this.ForeColor;
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break;
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case TImageBoxState.Active:
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if (this.UseBackImage) this.BackgroundImage = this.ActiveBackImage;
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if (this.UseForeImage) this.Image = this.ActiveImage;
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base.ForeColor = this.ForeColor;
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break;
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default: break;
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}
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}
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}
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protected Point calcTextPosition()
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{
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Point rs = new Point();
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switch (this.TextAlign)
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{
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case DockStyle.Top:
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rs.X = ((this.DisplayRectangle.Width - textSize.Width) / 2);
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rs.Y = ((this.DisplayRectangle.Height / 2) - textSize.Height - this.TextOffset);
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break;
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case DockStyle.Bottom:
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rs.X = ((this.DisplayRectangle.Width - textSize.Width) / 2);
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rs.Y = ((this.DisplayRectangle.Height / 2) + this.TextOffset);
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break;
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case DockStyle.Left:
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rs.X = ((this.DisplayRectangle.Width / 2) - textSize.Width - this.TextOffset);
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rs.Y = ((this.DisplayRectangle.Height - textSize.Height) / 2);
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break;
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case DockStyle.Right:
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rs.X = ((this.DisplayRectangle.Width / 2) + this.TextOffset);
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rs.Y = ((this.DisplayRectangle.Height - textSize.Height) / 2);
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break;
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case DockStyle.Fill:
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case DockStyle.None:
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default:
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rs.X = ((this.DisplayRectangle.Width - textSize.Width) / 2);
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rs.Y = ((this.DisplayRectangle.Height - textSize.Height) / 2);
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break;
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}
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return rs;
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}
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}
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}
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