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StartsWith  
Method  
Determines if a string starts with a specified string
String Class
system NameSpace
CF1.  Function StartsWith ( Value : String; ) : Boolean;
CF : Methods with this mark are Compact Framework Compatible
Description
Returns true if the start of a string matches the Value specified string.
 
It is case sensitive.
Microsoft MSDN Links
system
system.String
 
 
A simple example
// Full Unit code.
// -------------------------------------------------------------
// Create a new WinForm application, double click the form to
// create an OnLoad event, and then replace the WinForm unit
// with this text.
 
unit WinForm;
 
interface
 
uses
  System.Drawing, System.Collections, System.ComponentModel,
System.Windows.Forms, System.Data;
 
type
  TWinForm = class(System.Windows.Forms.Form)
  \{REGION 'Designer Managed Code'\} // Note that REGION and ENREGION should be prefixed by a dollar sign
  strict private
    ///
    /// Required designer variable.
    ///

    Components: System.ComponentModel.Container;
    ///
    /// Required method for Designer support - do not modify
    /// the contents of this method with the code editor.
    ///

    procedure InitializeComponent;
    procedure TWinForm_Load(sender: System.Object; e: System.EventArgs);
  {ENDREGION}
  strict protected
    ///
    /// Clean up any resources being used.
    ///

    procedure Dispose(Disposing: Boolean); override;
  private
    { Private Declarations }
  public
    constructor Create;
  end;
 
  [assembly: RuntimeRequiredAttribute(TypeOf(TWinForm))]
 
implementation
 
\{REGION 'Windows Form Designer generated code'\}
///
/// Required method for Designer support -- do not modify
/// the contents of this method with the code editor.
///

 
 
procedure TWinForm.InitializeComponent;
begin
  //
  // TWinForm
  //
  Self.AutoScaleBaseSize := System.Drawing.Size.Create(5, 13);
  Self.ClientSize := System.Drawing.Size.Create(292, 266);
  Self.Name := 'TWinForm';
  Self.Text := 'WinForm';
  Include(Self.Load, Self.TWinForm_Load);
end;
{ENDREGION}
 
procedure TWinForm.Dispose(Disposing: Boolean);
begin
  if Disposing then
  begin
    if Components <> nil then
      Components.Dispose();
  end;
  inherited Dispose(Disposing);
end;
 
constructor TWinForm.Create;
begin
  inherited Create;
  //
  // Required for Windows Form Designer support
  //
  InitializeComponent;
  //
  // TODO: Add any constructor code after InitializeComponent call
  //
end;
 
procedure TWinForm.TWinForm_Load(sender: System.Object; e: System.EventArgs);
program Project1;
{$APPTYPE CONSOLE}

var
  strA : String;

begin
  strA := 'ABCDEF';

  Console.WriteLine('strA = ' + strA);

  if strA.StartsWith('ABC')
  then Console.WriteLine('strA starts with ABC')
  else Console.WriteLine('strA does not start with ABC');

  if strA.StartsWith('abc')
  then Console.WriteLine('strA starts with abc')
  else Console.WriteLine('strA does not start with abc');

  Console.ReadLine;
end.
 
end.
Hide full unit code
  strA = ABCDEF
  strA starts with ABC
  strA does not start with abc
 
 
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