这篇文章主要介绍了C#实现动态数据绘图graphic的方法,结合实例形式分析了C#根据动态数据绘制2D数据表格的相关操作技巧,需要的朋友可以参考下
正文
C#实现动态数据绘图graphic的方法示例
本文实例讲述了c#实现动态数据绘图graphic的方法。分享给大家供大家参考，具体如下：
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using system;using system.collections.generic;using system.componentmodel;using system.data;using system.drawing;using system.linq;using system.text;using system.windows.forms;using system.drawing.drawing2d;namespace drawing{ public partial class form1 : form { public form1() { initializecomponent(); } private int widthadded = 0; private int heightadded = 0; private int added_value = 15; private int incremented = 3; private double width_max = 0.0f; private double height_max = 0f; private string hstrlink; private string vstrlink; private const int hor_kedu=17; private const int ver_kedu = 13; private double helprdm = 0; private void form1_load(object sender, eventargs e) { width_max=convert.todouble(panel.clientsize.width); height_max = convert.todouble(panel.clientsize.height); btnstatusinfoforb(); } private void button1_click(object sender, eventargs e) { graphics mygraphics_framwork; pen mypen = new pen(color.blue, 0.25f); mygraphics_framwork = panel.creategraphics(); for (int increment = 0; increment < panel.height; increment += incremented) { mygraphics_framwork.drawline(mypen, 0, heightadded, panel.clientsize.width, heightadded); heightadded = heightadded + added_value; } for (int increment = 0; increment < panel.height; increment += incremented) { mygraphics_framwork.drawline(mypen, widthadded, 0, widthadded, panel.clientsize.height); widthadded = widthadded + added_value; } mygraphics_framwork.dispose(); for (int hstart = 0; hstart < width_max; hstart += hor_kedu) { hstrlink = hstrlink + hstart.tostring() + "-"; } label2.text = hstrlink; for (int start = (int)height_max; start > 0; start -= ver_kedu) { vstrlink = vstrlink + start.tostring() + "-" + "\n"; } label3.text = vstrlink + "0-"; btnstatusinfoacti(); button1.enabled = false; } private void btnstatusinfoforb() { button2.enabled = false; button3.enabled = false; button4.enabled = false; trackbar1.enabled = false; rec_numbox.enabled = false; } private void btnstatusinfoacti() { button2.enabled = true; button3.enabled = true; button4.enabled = true; trackbar1.enabled = true; rec_numbox.enabled = true; } private void myfun() { graphics mygraphics = panel.creategraphics(); font myfont = new font("times new roman", 72, fontstyle.italic); point startpoint = new point(0, 0); point endpoint = new point(30, 30); lineargradientbrush mybrush = new lineargradientbrush(startpoint, endpoint, color.black, color.yellow); mybrush.wrapmode = wrapmode.tileflipxy; mygraphics.drawstring("string", myfont, mybrush, 0, 0); } private void button2_click(object sender, eventargs e) { if (parabox1.text == null) { messagebox.show("请输入矩形的高度"); } else { try { graphics mygraphics_rectangle = panel.creategraphics(); pen mypen_rec = new pen(color.red, 3); rectangle rect = new rectangle(); rect.x = 20; rect.y = panel.clientsize.height - convert.toint32(parabox1.text); rect.width = 20; rect.height = panel.clientsize.height; mygraphics_rectangle = panel.creategraphics(); mygraphics_rectangle.drawrectangle(mypen_rec, rect); solidbrush myrectbrush = new solidbrush(color.purple); mygraphics_rectangle.fillrectangle(myrectbrush, rect); mygraphics_rectangle.dispose(); } catch (exception excp) { messagebox.show(excp.message); } } } /// <summary> /// /// </summary> /// <param name="sender"></param> /// <param name="e"></param> private void button3_click(object sender, eventargs e) { graphics mygraphics_rectangle = panel.creategraphics(); if (rec_numbox == null) { messagebox.show("请输入你要绘制的矩形数量"); } else { double count = convert.toint32(rec_numbox.text); double tablespace = (1 * width_max) / (4 * count); double tablewidth = (3 * width_max) / (4 * count); double recoffset = tablewidth + tablespace;// pen mypen_rec = new pen(color.red, 3); for (long rectnum = 0; rectnum < count; rectnum++) { random radom = new random(); system.threading.thread.sleep(20); double randomhegiht =radom.next(0, convert.toint32(height_max)); rectangle rect = new rectangle(); rect.x =convert.toint32(rectnum*recoffset); rect.y = convert.toint32(panel.clientsize.height - randomhegiht); rect.width = convert.toint32(tablewidth); rect.height = panel.clientsize.height; mygraphics_rectangle = panel.creategraphics(); mygraphics_rectangle.drawrectangle(mypen_rec, rect); solidbrush myrectbrush = new solidbrush(color.green); mygraphics_rectangle.fillrectangle(myrectbrush, rect); } mygraphics_rectangle.dispose(); } rec_numbox.text = added_value.tostring(); added_value = added_value+50; } private void button4_click(object sender, eventargs e) { stringformat sf=new stringformat(); sf.alignment = stringalignment.near; graphics mygraphics = panel.creategraphics(); rectanglef ref = new rectanglef(12, 30, 8, 38); font myfont = new font("times new roman", 62, fontstyle.italic); point startpoint = new point(0, 0); point endpoint = new point(30, 30); lineargradientbrush mybrush = new lineargradientbrush(startpoint, endpoint, color.green, color.blue); solidbrush myrectbrush = new solidbrush(color.purple); mybrush.wrapmode = wrapmode.tileflipxy; mygraphics.drawstring("b2spirit", myfont, mybrush, 0, 0); random r=new random(); int temp=r.next(10,300); mygraphics.drawstring(temp.tostring(), myfont, myrectbrush, ref, sf); } private void trackbar1_scroll(object sender, eventargs e) { trackbar mytb=new trackbar(); mytb=(trackbar)sender; rec_numbox.text = mytb.value.tostring(); } }} |
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希望本文所述对大家c#程序设计有所帮助。
原文链接：http://blog.csdn.net/microzone/article/details/16903943
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