Thumb 拖动功能示例 此示例演示如何使用 Thumb 通过响应 DragDelta 事件来调整 Canvas 控件的大小-Drag function Thumb Sample This sample demonstrates how to use the Thumb event by responding to DragDelta Canvas control to adjust the size of

The design flow of the C# form designer and the process of redrawing the canvas will help novice applications Enhance the novice's deep application of windows programming, improve programming ability(The design flow of the C# form designer and

可以实现基本的绘制图形的功能，是一个类似于简单画图工具的小程序。(Can achieve the basic function of drawing graphics, is a simple drawing tool similar to the small program.)