c# boundingbox text
...
Rectangle r = GetTextBounds(textBox1, 2, 10);
Panel panel = new Panel
{
Bounds = r,
BorderStyle = BorderStyle.FixedSingle,
};
this.Controls.Add(panel);
panel.Show();
panel.BringToFront();
...c# boundingbox text
...
Rectangle r = GetTextBounds(textBox1, 2, 10);
Panel panel = new Panel
{
Bounds = r,
BorderStyle = BorderStyle.FixedSingle,
};
this.Controls.Add(panel);
panel.Show();
panel.BringToFront();
...c# boundingbox text
private Rectangle GetTextBounds(TextBox textBox, int startPosition, int length)
{
using (Graphics g = textBox.CreateGraphics())
{
g.TextRenderingHint = System.Drawing.Text.TextRenderingHint.AntiAlias;
CharacterRange[] characterRanges = { new CharacterRange(startPosition, length) };
StringFormat stringFormat = new StringFormat(StringFormat.GenericTypographic);
stringFormat.SetMeasurableCharacterRanges(characterRanges);
Region region = g.MeasureCharacterRanges(textBox.Text, textBox.Font,
textBox.Bounds, stringFormat)[0];
Rectangle bounds = Rectangle.Round(region.GetBounds(g));
Point textOffset = textBox.GetPositionFromCharIndex(0);
return new Rectangle(textBox.Margin.Left + bounds.Left + textOffset.X,
textBox.Margin.Top + textBox.Location.Y + textOffset.Y,
bounds.Width, bounds.Height);
}
}Copyright © 2021 Codeinu
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