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copied!<p>If you want to draw rotated text at the center of the image, then offset the location of the text by half the measured size of the text:</p> <pre><code>using (Font font = new Font("Arial", 80, FontStyle.Bold)) using (Graphics g = Graphics.FromImage(pictureBox1.Image)) { float w = pictureBox1.Image.Width / 2f; float h = pictureBox1.Image.Height / 2f; g.TranslateTransform(w, h); g.RotateTransform(90); SizeF size = g.MeasureString("Hello world", font); PointF drawPoint = new PointF(-size.Width / 2f, -size.Height / 2f); g.DrawString("Hello world", font, Brushes.White, drawPoint); } pictureBox1.Refresh(); </code></pre> <p>(It's a good idea to dispose of <code>Font</code> and <code>Graphics</code> objects when you're done with them, so I've added a couple <code>using</code> statements.)</p> <p><strong>Variation #1:</strong> This snippet positions the upper-left corner of the text at (400, 200) and then rotates the text around <em>that point</em>:</p> <pre><code>g.TranslateTransform(400, 200); g.RotateTransform(90); PointF drawPoint = new PointF(0, 0); g.DrawString("Hello world", font, Brushes.White, drawPoint); </code></pre> <p><strong>Variation #2:</strong> This snippet positions the upper-left corner of the text at (400, 200) and then rotates the text around <em>the center of the text</em>:</p> <pre><code>SizeF size = g.MeasureString("Hello world", font); g.TranslateTransform(400 + size.Width / 2, 200 + size.Height / 2); g.RotateTransform(90); PointF drawPoint = new PointF(-size.Width / 2, -size.Height / 2); g.DrawString("Hello world", font, Brushes.White, drawPoint); </code></pre>

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