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 程式師世界 >> 編程語言 >> 更多編程語言 >> Delphi >> 從 EXE 或 DLL 中獲取圖標的函數

從 EXE 或 DLL 中獲取圖標的函數

編輯:Delphi

代碼文件:

unit Unit1; 
 
interface 
 
uses 
 Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms, 
 Dialogs, StdCtrls; 
 
type 
 TForm1 = class(TForm) 
  Button1: TButton; 
  Button2: TButton; 
  Button3: TButton; 
  procedure Button1Click(Sender: TObject); 
  procedure Button2Click(Sender: TObject); 
  procedure Button3Click(Sender: TObject); 
 end; 
 
var 
 Form1: TForm1; 
 
implementation 
 
{$R *.dfm} 
 
uses ShellAPI; 
 
{從 EXE 或 DLL 中獲取 ICO 圖標的函數, 需要 uses ShellAPI} 
function GetIco(const ExePath: string; SavePath: string): Integer; {返回獲取總數} 
var 
 ico: TIcon; 
 i,count: Integer; 
 FileName: string; 
begin 
 Result := 0; 
 count := ExtractIcon(HInstance, PChar(ExePath), $FFFFFFFF); 
 if count = 0 then Exit; 
 
 if not DirectoryExists(SavePath) then ForceDirectorIEs(SavePath); 
 FileName := ChangeFileExt(ExtractFileName(ExePath), ''); 
 SavePath := ExcludeTrailingPathDelimiter(SavePath) + '\' + FileName + '_%.3d.ico'; 
 
 ico := TIcon.Create; 
 for i := 0 to count - 1 do 
 begin 
  ico.Handle := ExtractIcon(HInstance, PChar(ExePath), i); 
  ico.SaveToFile(Format(SavePath, [i+1])); 
 end; 
 ico.Free; 
 Result := count; 
end; 
 
{測試: 獲取當前程序圖標} 
procedure TForm1.Button1Click(Sender: TObject); 
begin 
 GetIco(ParamStr(0), 'c:\temp'); 
end; 
 
{測試: 獲取記事本圖標} 
procedure TForm1.Button2Click(Sender: TObject); 
var 
 buf: array[0..MAX_PATH] of Char; 
begin 
 GetSystemDirectory(buf, Length(buf)*SizeOf(buf[0])); 
 GetIco(buf + '\notepad.exe', 'c:\temp'); 
end; 
 
{測試: 獲取 Windows 的標准圖標庫} 
procedure TForm1.Button3Click(Sender: TObject); 
var 
 buf: array[0..MAX_PATH] of Char; 
begin 
 GetSystemDirectory(buf, Length(buf)*SizeOf(buf[0])); 
 GetIco(buf + '\Shell32.dll','c:\temp'); 
end; 
 
end. 

  窗體文件:

object Form1: TForm1 
 Left = 0 
 Top = 0 
 Caption = 'Form1' 
 ClIEntHeight = 194 
 ClIEntWidth = 206 
 Color = clBtnFace 
 Font.Charset = DEFAULT_CHARSET 
 Font.Color = clWindowText 
 Font.Height = -11 
 Font.Name = 'Tahoma' 
 Font.Style = [] 
 OldCreateOrder = False 
 PixelsPerInch = 96 
 TextHeight = 13 
 object Button1: TButton 
  Left = 64 
  Top = 32 
  Width = 75 
  Height = 25 
  Caption = 'Button1' 
  TabOrder = 0 
  OnClick = Button1Click 
 end 
 object Button2: TButton 
  Left = 64 
  Top = 80 
  Width = 75 
  Height = 25 
  Caption = 'Button2' 
  TabOrder = 1 
  OnClick = Button2Click 
 end 
 object Button3: TButton 
  Left = 64 
  Top = 127 
  Width = 75 
  Height = 25 
  Caption = 'Button3' 
  TabOrder = 2 
  OnClick = Button3Click 
 end 
end 
a 


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