C# String.Join（對於開發者的運行原理）

public static string Join(string separator, params string[] value);
public static string Join(string separator, IEnumerable<string> values);
public static string Join<t>(string separator, IEnumerable<t> values);
public static string Join(string separator, params object[] values);
public static string Join(string separator, string[] value, int startIndex, int count);

Public Shared Function Join(separator As String, ParamArray value As String()) As String
End Function

Public Shared Function Join(separator As String, values As IEnumerable(Of String)) As String
End Function

Public Shared Function Join(Of T)(separator As String, values As IEnumerable(Of T)) As String
End Function

Public Shared Function Join(separator As String, ParamArray values As Object()) As String
End Function

Public Shared Function Join(separator As String, value As String(), startIndex As Integer, count As Integer) As String
End Function

public static void Main()
{
    string[] array = new string[] { "apple", "banana", "cherry" };
    string result = String.Join(", ", array);
    Console.WriteLine(result);
}

Public Shared Sub Main()
	Dim array() As String = { "apple", "banana", "cherry" }
	Dim result As String = String.Join(", ", array)
	Console.WriteLine(result)
End Sub

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