在线时间:8:00-16:00
迪恩网络APP
随时随地掌握行业动态
扫描二维码
关注迪恩网络微信公众号
//声明:
ExtractIcon( hInst: HINST; {调用函数的程序实例} lpszExeFileName: PChar; {文件路径; 文件可以是 *.exe、*.dll、*.ico} nIconIndex: UINT {图标索引} ): HICON; {返回图标句柄; 索引为 0 时返回第一个图标句柄; 索引为 #FFFFFFFF 时返回图标总数}
unit Unit1;
interface uses Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms, Dialogs, StdCtrls, ExtCtrls; type TForm1 = class(TForm) Button1: TButton; procedure Button1Click(Sender: TObject); end; var Form1: TForm1; implementation {$R *.dfm} uses ShellAPI; {ExtractIcon 在其中声明} procedure TForm1.Button1Click(Sender: TObject); var ico: TIcon; i,count,x,y,w,h: Integer; FilePath: string; begin {随便找了个路径, 如果缺失会退出} FilePath := 'C:\Program Files\Macromedia\Fireworks 8\Fireworks.exe'; if not FileExists(FilePath) then begin ShowMessage('文件不存在'); Exit; end; ico := TIcon.Create; x := 10; y := 10; w := 0; h := 0; Repaint; {先算出文件内的图标总数} count := ExtractIcon(HInstance, PChar(FilePath), HICON(-1)); for i := 0 to count - 1 do begin {循环提取图标} ico.Handle := ExtractIcon(HInstance, PChar(FilePath), i); {画出图标} Canvas.Draw(x,y,ico); {下面只是调整显示位置} if w < ico.Width then w := ico.Width; if h < ico.Height then h := ico.Height; x := x + ico.Width + 10; if x >= ClientWidth - w then begin x := 10; y := y + h + 10; end; end; ico.Free; end; end.
|
2023-10-27
2022-08-15
2022-08-17
2022-09-23
2022-08-13
请发表评论