File Edit View Git Project Build Debug Format Toolbox Data Sources Form1.Designer.cs Form1.cs Form1 Function: Debug Any CPU Form1.cs [Design] X 000 Draw ......... Clear 000
i need to fix this code because when compute code all function error
give mw the input function and fix code and i need this code curve output
using System;
using System.Data;
using System.Drawing;
using System.Linq.Expressions;
using System.Windows.Forms;
namespace WindowsFormsApp11
{
public partial class Form1 : Form
{
private DataRow xValue;
private string expression;
public Form1()
{
InitializeComponent();
}
private void DrawButton_Click(object sender, EventArgs e)
{
DrawFunction();
}
private void DrawFunction()
{
try
{
using (Graphics g = this.displayArea.CreateGraphics())
{
g.Clear(Color.White);
Pen pen = new Pen(Color.Black);
for (int x = 0; x < this.displayArea.Width; x++)
{
// Parse the expression from the textbox
string function = functionInput.Text;
// Evaluate the function for each x-value
double yValue = EvaluateExpression(function, x);
int y = (int)(100 * yValue);
g.DrawRectangle(pen, x, this.displayArea.Height / 2 - y, 1, 1);
}
}
}
catch (Exception ex)
{
MessageBox.Show("Error drawing function: " + ex.Message, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
private double EvaluateExpression(string expression, double xValue)
{
try
{
DataTable table = new DataTable();
table.Columns.Add("x", typeof(double));
table.Rows.Add(xValue);
return Convert.ToDouble(table.Compute(expression, ""));
}
catch
{
throw new InvalidOperationException("Invalid mathematical expression");
}
}
private void FunctionInput_TextChanged(object sender, EventArgs e)
{
// Redraw the function curve when the text in the textbox changes
DrawFunction();
}
[STAThread]
static void M()
{
Application.EnableVisualStyles();
Application.SetCompatibleTextRenderingDefault(false);
Application.Run(new Form1());
}
private void drawButton_Click_1(object sender, EventArgs e)
{
DrawFunction();
}
private void button1_Click(object sender, EventArgs e)
{
displayArea.Refresh();
}
private void ClearDisplayArea()
{
displayArea.Refresh();
}
}
}
this is design picture
![File Edit View Git
Project Build Debug Format
Toolbox Data Sources
Form1.Designer.cs
Form1.cs
Form1
Function:
Debug Any CPU
Form1.cs [Design]
X
000
Draw
.........
Clear
000](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F0fc706c4-1271-402f-9201-91f2b7875742%2F441ecfdb-de98-438d-958e-47ba1f0a774c%2F1gg1y1g_processed.png&w=3840&q=75)
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