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POC#.NET Winforms: Is it possible to override Label.Autosize?
 

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  1. POC#.NET Winforms: Is it possible to override Label.Autosize?
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    <p>I don't like the AutoSize property of the Label control. I have a custom Label that draws a fancy rounded border among other things. I'm placing a <code>AutoSize = false</code> in my constructor, however, when I place it in design mode, the property always is True. </p> <p>I have overridden other properties with success but this one is happily ignoring me. Does anybody has a clue if this is "by MS design"?</p> <p>Here's the full source code of my Label in case anyone is interested.</p> <pre><code>using System; using System.ComponentModel; using System.Drawing; using System.Drawing.Drawing2D; using System.Windows.Forms; namespace Dentactil.UI.WinControls { [DefaultProperty("TextString")] [DefaultEvent("TextClick")] public partial class RoundedLabel : UserControl { private static readonly Color DEFAULT_BORDER_COLOR = Color.FromArgb( 132, 100, 161 ); private const float DEFAULT_BORDER_WIDTH = 2.0F; private const int DEFAULT_ROUNDED_WIDTH = 16; private const int DEFAULT_ROUNDED_HEIGHT = 12; private Color mBorderColor = DEFAULT_BORDER_COLOR; private float mBorderWidth = DEFAULT_BORDER_WIDTH; private int mRoundedWidth = DEFAULT_ROUNDED_WIDTH; private int mRoundedHeight = DEFAULT_ROUNDED_HEIGHT; public event EventHandler TextClick; private Padding mPadding = new Padding(8); public RoundedLabel() { InitializeComponent(); } public Cursor TextCursor { get { return lblText.Cursor; } set { lblText.Cursor = value; } } public Padding TextPadding { get { return mPadding; } set { mPadding = value; UpdateInternalBounds(); } } public ContentAlignment TextAlign { get { return lblText.TextAlign; } set { lblText.TextAlign = value; } } public string TextString { get { return lblText.Text; } set { lblText.Text = value; } } public override Font Font { get { return base.Font; } set { base.Font = value; lblText.Font = value; } } public override Color ForeColor { get { return base.ForeColor; } set { base.ForeColor = value; lblText.ForeColor = value; } } public Color BorderColor { get { return mBorderColor; } set { mBorderColor = value; Invalidate(); } } [DefaultValue(DEFAULT_BORDER_WIDTH)] public float BorderWidth { get { return mBorderWidth; } set { mBorderWidth = value; Invalidate(); } } [DefaultValue(DEFAULT_ROUNDED_WIDTH)] public int RoundedWidth { get { return mRoundedWidth; } set { mRoundedWidth = value; Invalidate(); } } [DefaultValue(DEFAULT_ROUNDED_HEIGHT)] public int RoundedHeight { get { return mRoundedHeight; } set { mRoundedHeight = value; Invalidate(); } } private void UpdateInternalBounds() { lblText.Left = mPadding.Left; lblText.Top = mPadding.Top; int width = Width - mPadding.Right - mPadding.Left; lblText.Width = width &gt; 0 ? width : 0; int heigth = Height - mPadding.Bottom - mPadding.Top; lblText.Height = heigth &gt; 0 ? heigth : 0; } protected override void OnLoad(EventArgs e) { UpdateInternalBounds(); base.OnLoad(e); } protected override void OnPaint(PaintEventArgs e) { SmoothingMode smoothingMode = e.Graphics.SmoothingMode; e.Graphics.SmoothingMode = SmoothingMode.AntiAlias; int roundedWidth = RoundedWidth &gt; (Width - 1)/2 ? (Width - 1)/2 : RoundedWidth; int roundedHeight = RoundedHeight &gt; (Height - 1)/2 ? (Height - 1)/2 : RoundedHeight; GraphicsPath path = new GraphicsPath(); path.AddLine(0, roundedHeight, 0, Height - 1 - roundedHeight); path.AddArc(new RectangleF(0, Height - 1 - 2*roundedHeight, 2*roundedWidth, 2*roundedHeight), 180, -90); path.AddLine(roundedWidth, Height - 1, Width - 1 - 2*roundedWidth, Height - 1); path.AddArc(new RectangleF(Width - 1 - 2*roundedWidth, Height - 1 - 2*roundedHeight, 2*roundedWidth, 2*roundedHeight), 90, -90); path.AddLine(Width - 1, Height - 1 - roundedHeight, Width - 1, roundedHeight); path.AddArc(new RectangleF(Width - 1 - 2*roundedWidth, 0, 2*roundedWidth, 2*roundedHeight), 0, -90); path.AddLine(Width - 1 - roundedWidth, 0, roundedWidth, 0); path.AddArc(new RectangleF(0, 0, 2*roundedWidth, 2*roundedHeight), -90, -90); e.Graphics.DrawPath(new Pen(new SolidBrush(BorderColor), BorderWidth), path); e.Graphics.SmoothingMode = smoothingMode; base.OnPaint(e); } protected override void OnResize(EventArgs e) { UpdateInternalBounds(); base.OnResize(e); } private void lblText_Click(object sender, EventArgs e) { if (TextClick != null) { TextClick(this, e); } } } } </code></pre> <p>(there are some issues with Stack Overflow's markup and the Underscore, but it's easy to follow the code).</p> <hr> <p>I have actually removed that override some time ago when I saw that it wasn't working. I'll add it again now and test. Basically I want to replace the Label with some new label called: IWillNotAutoSizeLabel ;)</p> <p>I basically hate the autosize property "on by default".</p>
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