C# 绘图笔记

Graphics g;
g=this.CreateGraphics()//画布为当前窗体
g=textBox1.CreateGraphics()//画布为textbox

SolidBrush 纯色填充

SolidBrush(Color): Initializes a new SolidBrush object of the specified color.

TextureBrush 图片填充

TextureBrush(Image): Initializes a new TextureBrush object that uses the specified image.
TextureBrush(Image, Rectangle): Initializes a new TextureBrush object that uses the specified image and bounding rectangle.
.......

LinearGradientBrush 渐变填充

LinearGradientBrush(Point, Point, Color, Color): Initializes a new instance of the LinearGradientBrush class with the specified points and colors.