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怎么在C#中使用graphic繪圖動態數據?針對這個問題,這篇文章詳細介紹了相對應的分析和解答,希望可以幫助更多想解決這個問題的小伙伴找到更簡單易行的方法。
具體如下:
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("請輸入矩形的高度"); } 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("請輸入你要繪制的矩形數量"); } 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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