c# 实现图像180度旋转 |
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using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Linq; using System.Text; using System.Windows.Forms; namespace WindowsFormsApplication1 { public partial class Form1 : Form { public Form1() { InitializeComponent(); } Bitmap bitmap1; private void InitializeBitmap() { try { bitmap1 = (Bitmap)Properties.Resources.a; pictureBox1.SizeMode = PictureBoxSizeMode.AutoSize; pictureBox1.Image = bitmap1; } catch (System.IO.FileNotFoundException) { MessageBox.Show("There was an error." + "Check the path to the bitmap."); } } private void button1_Click(System.Object sender, System.EventArgs e) { if (bitmap1 != null) { bitmap1.RotateFlip(RotateFlipType.Rotate180FlipY); pictureBox1.Image = bitmap1; } } private void Form1_Load(object sender, EventArgs e) { InitializeBitmap(); } } } |
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