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private Size Multiplier;
private Color color = Color.Black;
public void ZoomIn()
{
Multiplier = new Size(2, 2);
Image MyImage = pictureBox.Image;
Bitmap MyBitMap = new Bitmap(MyImage, Convert.ToInt32(MyImage.Width * Multiplier.Width),
Convert.ToInt32(MyImage.Height * Multiplier.Height));
Graphics Graphic = Graphics.FromImage(MyBitMap);
Graphic.InterpolationMode = InterpolationMode.High;
pictureBox.Image = MyBitMap;
pictureBox.Refresh();
}
public void ZoomOut()
{
Multiplier = new Size(2, 2);
Image MyImage = pictureBox.Image;
Bitmap MyBitMap = new Bitmap(MyImage, Convert.ToInt32(MyImage.Width / Multiplier.Width),
Convert.ToInt32(MyImage.Height / Multiplier.Height));
Graphics Graphic = Graphics.FromImage(MyBitMap);
Graphic.InterpolationMode = InterpolationMode.High;
pictureBox.Image = MyBitMap;
pictureBox.Refresh();
}
private void button1_Click(object sender, EventArgs e)
{
ZoomIn();
pictureBox.Invalidate();
}
private void button2_Click(object sender, EventArgs e)
{
ZoomOut();
pictureBox.Invalidate();
} |
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