(Delphi DLL) Remove a Range of Chars from a StringBuilder

Demonstrates how to remove a range of chars from the string contained in a StringBuilder object.

Note: This example demonstrates the RemoveCharsAt method which was added in Chilkat v9.5.0.87.

Chilkat for Delphi Downloads Chilkat non-ActiveX DLL for Delphi Chilkat ActiveX DLL for Delphi * The examples here use the non-ActiveX DLL.

uses
    Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics,
    Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls, StringBuilder;

...

procedure TForm1.Button1Click(Sender: TObject);
var
sb: HCkStringBuilder;
success: Boolean;

begin
sb := CkStringBuilder_Create();

// Load a file that contains this string:  0123456789ABCDEF
success := CkStringBuilder_LoadFile(sb,'qa_data/txt/remove_chars.txt','utf-8');

// Remove "56789A" from the string.
CkStringBuilder_RemoveCharsAt(sb,5,6);

Memo1.Lines.Add(CkStringBuilder__getAsString(sb));

// Output is: 01234BCDEF

CkStringBuilder_Dispose(sb);

end;