C# 數學（開發者的工作原理）

using System;

public class Program
{
    // Entry point of the program
    public static void Main()
    {
        // Your code goes here
    }
}

Imports System

Public Class Program
	' Entry point of the program
	Public Shared Sub Main()
		' Your code goes here
	End Sub
End Class

double val = -10.5;
double absValue = Math.Abs(val); // Function returns absolute value
Console.WriteLine(absValue); // Output: 10.5

Dim val As Double = -10.5
Dim absValue As Double = Math.Abs(val) ' Function returns absolute value
Console.WriteLine(absValue) ' Output: 10.5

double value = 16;
double sqrtValue = Math.Sqrt(value);
Console.WriteLine(sqrtValue); // Output: 4

Dim value As Double = 16
Dim sqrtValue As Double = Math.Sqrt(value)
Console.WriteLine(sqrtValue) ' Output: 4

double value = 10.75;
double roundedValue = Math.Round(value); // Rounds to the nearest whole number
Console.WriteLine(roundedValue); // Output: 11

Dim value As Double = 10.75
Dim roundedValue As Double = Math.Round(value) ' Rounds to the nearest whole number
Console.WriteLine(roundedValue) ' Output: 11

double value = 10.99;
int intValue = Convert.ToInt32(value);
Console.WriteLine(intValue); // Output: 11 (rounds 10.99 to the nearest integer)

Dim value As Double = 10.99
Dim intValue As Integer = Convert.ToInt32(value)
Console.WriteLine(intValue) ' Output: 11 (rounds 10.99 to the nearest integer)

int value = 42;
string binary = Convert.ToString(value, 2); // Converts 42 to binary
Console.WriteLine(binary); // Output: 101010

Dim value As Integer = 42
Dim binary As String = Convert.ToString(value, 2) ' Converts 42 to binary
Console.WriteLine(binary) ' Output: 101010

using IronPdf;

class Program
{
    static void Main(string[] args)
    {
        var renderer = new ChromePdfRenderer();

        // 1. Convert HTML String to PDF
        var htmlContent = "<h1>Hello, IronPDF!</h1><p>This is a PDF from an HTML string.</p>";
        var pdfFromHtmlString = renderer.RenderHtmlAsPdf(htmlContent);
        pdfFromHtmlString.SaveAs("HTMLStringToPDF.pdf");

        // 2. Convert HTML File to PDF
        var htmlFilePath = "path_to_your_html_file.html"; // Specify the path to your HTML file
        var pdfFromHtmlFile = renderer.RenderHtmlFileAsPdf(htmlFilePath);
        pdfFromHtmlFile.SaveAs("HTMLFileToPDF.pdf");

        // 3. Convert URL to PDF
        var url = "http://ironpdf.com"; // Specify the URL
        var pdfFromUrl = renderer.RenderUrlAsPdf(url);
        pdfFromUrl.SaveAs("URLToPDF.pdf");
    }
}

Imports IronPdf

Friend Class Program
	Shared Sub Main(ByVal args() As String)
		Dim renderer = New ChromePdfRenderer()

		' 1. Convert HTML String to PDF
		Dim htmlContent = "<h1>Hello, IronPDF!</h1><p>This is a PDF from an HTML string.</p>"
		Dim pdfFromHtmlString = renderer.RenderHtmlAsPdf(htmlContent)
		pdfFromHtmlString.SaveAs("HTMLStringToPDF.pdf")

		' 2. Convert HTML File to PDF
		Dim htmlFilePath = "path_to_your_html_file.html" ' Specify the path to your HTML file
		Dim pdfFromHtmlFile = renderer.RenderHtmlFileAsPdf(htmlFilePath)
		pdfFromHtmlFile.SaveAs("HTMLFileToPDF.pdf")

		' 3. Convert URL to PDF
		Dim url = "http://ironpdf.com" ' Specify the URL
		Dim pdfFromUrl = renderer.RenderUrlAsPdf(url)
		pdfFromUrl.SaveAs("URLToPDF.pdf")
	End Sub
End Class