1.DrawIcon
DrawIcon(Icon icon, Rectangle targetRect)
DrawIcon(Icon icon, int x, int y)
DrawIconUnstretched(Icon icon, Rectangle targetRect)
private void Form1_Paint(object sender, PaintEventArgs e)
//创建画板从Paint事件中的直接引用Graphics对象
Graphics graphics = e.G
graphics.Clear(Color.Black);
//创建一个Ico
Icon newIcon = new Icon("SampIcon.ico");
Rectangle rect = new Rectangle(20, 20, 50, 50);
e.Graphics.DrawIcon(newIcon, rect);
e.Graphics.DrawIcon(newIcon, 80, 20);
//宽度和高度不会对原图照成影响
Rectangle rect2 = new Rectangle(120, 20, 100, 100);
e.Graphics.DrawIconUnstretched(newIcon, rect2);
2.DrawImage
DrawImage 方法 (Image, Point)
DrawImage 方法 (Image, Int32, Int32)
DrawImage 方法 (Image, PointF)
DrawImage 方法 (Image, Single, Single)
DrawImage 方法 (Image, Point[])
DrawImage 方法 (Image, PointF[])
private void Form1_Paint(object sender, PaintEventArgs e)
Image newImage = Image.FromFile("SampImag.png");
Point ulCorner = new Point(100, 100);
e.Graphics.DrawImage(newImage, ulCorner);
private void Form1_Paint(object sender, PaintEventArgs e)
Image newImage = Image.FromFile("SampImag.png");
Point ulCorner = new Point(100, 100);
Point urCorner = new Point(550, 100);
Point llCorner = new Point(150, 250);
Point[] destPara = { ulCorner, urCorner, llCorner };
//Points 参数指定平行四边形的三个点。 三个 Point 结构表示平行四边形的左上角、右上角和左下角。
//可从前三个点推断出第四个点以形成一个平行四边形。
//缩放和剪切 image 参数表示的图像，以适合 Points参数指定的平行四边形的形状。
e.Graphics.DrawImage(newImage, destPara);
DrawImage 方法 (Image, Rectangle)
DrawImage 方法 (Image, Int32, Int32, Int32, Int32)
DrawImage 方法 (Image, RectangleF)
DrawImage 方法 (Image, Single, Single, Single, Single)
private void Form1_Paint(object sender, PaintEventArgs e)
Image newImage = Image.FromFile("SampImag.png");
Rectangle destRect = new Rectangle(100, 100, 450, 150);
// 由 image 对象表示的图像被缩放为 rect 矩形的尺寸
e.Graphics.DrawImage(newImage, destRect);
//按照第三个参数所指定从图片中取出一个矩形部分,然后将这个矩形部分放到第二个参数指定的部分来显示
//第二个参数可以是Point[]的平行四边形,也可以是Rectangle的矩形。
//第四个参数用于控制图形绘制单位
DrawImage 方法 (Image, Point[], Rectangle, GraphicsUnit)
DrawImage 方法 (Image, PointF[], RectangleF, GraphicsUnit)
DrawImage 方法 (Image, Rectangle, Rectangle, GraphicsUnit)
DrawImage 方法 (Image, RectangleF, RectangleF, GraphicsUnit)
//下面的是用int或folat,是在指定的位置绘制图像的一部分,上面的是在指定的区域
DrawImage 方法 (Image, Int32, Int32, Rectangle, GraphicsUnit)
DrawImage 方法 (Image, Single, Single, RectangleF, GraphicsUnit)
private void Form1_Paint(object sender, PaintEventArgs e)
Image newImage = Image.FromFile("SampImag.png");
Point ulCorner = new Point(100, 100);
Point urCorner = new Point(325, 100);
Point llCorner = new Point(150, 250);
Point[] destPara = { ulCorner, urCorner, llCorner };
Rectangle srcRect = new Rectangle(50, 50, 150, 150);
GraphicsUnit units = GraphicsUnit.P
e.Graphics.DrawImage(newImage, destPara, srcRect, units);
DrawImage 方法 (Image, Point[], Rectangle, GraphicsUnit, ImageAttributes)
DrawImage 方法 (Image, PointF[], RectangleF, GraphicsUnit, ImageAttributes)
ImageAttributes&，它指定&image&对象的重新着色和伽玛信息。&
private void Form1_Paint(object sender, PaintEventArgs e)
Image newImage = Image.FromFile("SampImag.png");
Rectangle srcRect = new Rectangle(50, 50, 150, 150);
GraphicsUnit units = GraphicsUnit.P
Point ulCorner2 = new Point(325, 100);
Point urCorner2 = new Point(550, 100);
Point llCorner2 = new Point(375, 250);
Point[] destPara2 = { ulCorner2, urCorner2, llCorner2 };
ImageAttributes imageAttr = new ImageAttributes();
imageAttr.SetGamma(4.0F);
e.Graphics.DrawImage(newImage, destPara2, srcRect, units, imageAttr);
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