23,882
个编辑
更改
无编辑摘要
}
}
----
private void button1_Click(object sender, EventArgs e)//画图响应按钮(类似完成MFC中BitBlt或StrechBlt的功能) { Bitmap bitmap = new Bitmap(@"D:/工作照.jpg"); Graphics g = CreateGraphics(); //获得窗口屏幕大小 Rectangle rect = System.Windows.Forms.SystemInformation.VirtualScreen; int width = rect.Width; int height = rect.Height; g.DrawImage(bitmap, rect); button1.Visible = true; } private void button2_Click(object sender, EventArgs e)//动态输出文字(类似MFC中的TextOut()) { Font myFont = new Font("Verdana", 12); Graphics g = CreateGraphics(); //创建线渐变画刷： LinearGradientBrush myBrush = new LinearGradientBrush(ClientRectangle, Color.FromArgb(120, 120, 250), Color.Red, LinearGradientMode.Vertical); // g.DrawString("GDI 显示字符串", myFont, myBrush, new RectangleF(10, 10, 500, 200)); //创建一般画刷： SolidBrush bru1 = new SolidBrush(Color.FromArgb(250, 200, 0)); g.DrawString("GDI 显示字符串", myFont, bru1, new RectangleF(10, 10, 500, 200)); Pen newpen = new Pen(bru1); Point[] p = new Point[] { new Point(0, 0), new Point(100, 100), new Point(50, 100), new Point(200, 100) }; g.DrawEllipse(newpen,50,50, 100, 100); }
————————————————
版权声明：本文为CSDN博主「还可以吧有点纯纯的」的原创文章，遵循 CC 4.0 BY-SA 版权协议，转载请附上原文出处链接及本声明。
原文链接：https://blog.csdn.net/kahncc/article/details/86623525
