本文實例為大家分享了c# picturebox實現(xiàn)畫圖功能的具體代碼，供大家參考，具體內容如下
在form上添加 一個picturebox,一個button控件
如圖所示：
這樣我們的繪畫面板就弄好了，把picturebox的dock屬性設置為fill，按鍵為清屏的作用。
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private point p1, p2;//定義兩個點（啟點，終點）private static bool drawing=false;//設置一個啟動標志private void picturebox1_mousedown(object sender, mouseeventargs e) { p1 = new point(e.x, e.y); p2 = new point(e.x, e.y); drawing = true; } private void picturebox1_mouseup(object sender, mouseeventargs e) { drawing = false; }private void picturebox1_mousemove(object sender, mouseeventargs e) { graphics g = picturebox1.creategraphics(); if(e.button ==mousebuttons.left) { if (drawing) { //drawing = true; point currentpoint = new point(e.x, e.y); g.smoothingmode = system.drawing.drawing2d.smoothingmode.antialias;//消除鋸齒 g.drawline(new pen(color.blue, 2), p2,currentpoint); p2.x = currentpoint.x; p2.y = currentpoint.y; } } }//清屏操作private void button1_click(object sender, eventargs e){ graphics g = picturebox1.creategraphics(); g.clear(color.white);} |
以上就是本文的全部內容，希望對大家的學習有所幫助，也希望大家多多支持服務器之家。
原文鏈接：https://blog.csdn.net/zjq2010014137/article/details/18270143
