你是要什么图标? 如果是windows的图标:你试一试:
请先在Delphi环境下建立一个窗体Form1,并在Form1中添加一个按钮Button1和一个列表框ListView1;然后请设置ListView1的属性ViewStyle为vsIcon。 源程序清单: unit Unit1;interfaceuses
Windows, Messages, SysUtils,
Classes, Graphics, Controls,
Forms, Dialogs, ComCtrls,
StdCtrls, ShellAPI, ExtCtrls,
ImgList;type
TForm1 = class(TForm)
ListView1: TListView;
Button1: TButton;
procedure FormDestroy(Sender: TObject);
procedure FormCreate(Sender: TObject);
procedure Button1Click(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end;const
Test='C:\';
{ Test为测试数据,在本例中返回的是一个驱动器图标。读者
可以自行选择其他测试数据如:Test:='C:\Autoexec.bat'
等等。}var
Form1: TForm1;
ShFileInfo: TSHFILEINFO;implementation{$R *.DFM}
function GetFileIconIndex
(FileName:string):integer;
{ 获取图标的序号函数 }
var
Ext:String;
begin
Ext:=FileName;
Result:=ShGetFileInfo(Pchar
(Ext), 0, SHFileInfo,
SizeOf(SHFileInfo), SHGFI_LARGEICON or
SHGFI_SYSICONINDEX or SHGFI_TYPENAME);
Result:=SHFileInfo.iIcon;
{ 返回获取的图标序号 }
end;procedure TForm1.FormCreate(Sender: TObject);
begin
with ListView1 do
begin
SmallImages:=TImageList.CreateSize(32,32);
SmallImages.ShareImages:=True;
SmallImages.Handle:=ShGetFileInfo('*.*',0,
SHFileInfo, SizeOf(SHFileInfo),
SHGFI_LARGEICON or
SHGFI_ICON or SHGFI_SYSICONINDEX);
LargeImages:=TImageList.CreateSize(32,32);
LargeImages.ShareImages:=True;
LargeImages.Handle:=ShGetFileInfo('*.*',0,
SHFileInfo, SizeOf(SHFileInfo),
SHGFI_LARGEICON or
SHGFI_ICON or SHGFI_SYSICONINDEX);
end;
{ 分配系统资源给ListView1组件以显示图标 }
end;procedure TForm1.FormDestroy
(Sender: TObject);
begin
ListView1.SmallImages.Free;
ListView1.LargeImages.Free;
{ 释放ListView1占用的系统资源 }
end;procedure TForm1.Button1Click
(Sender: TObject);
begin
ListView1.Items.Item[0].
ImageIndex:=GetFileIconIndex(Test);
{ 为ListView1中的第一个项目绘制图标 }
end;end.
请先在Delphi环境下建立一个窗体Form1,并在Form1中添加一个按钮Button1和一个列表框ListView1;然后请设置ListView1的属性ViewStyle为vsIcon。 源程序清单: unit Unit1;interfaceuses
Windows, Messages, SysUtils,
Classes, Graphics, Controls,
Forms, Dialogs, ComCtrls,
StdCtrls, ShellAPI, ExtCtrls,
ImgList;type
TForm1 = class(TForm)
ListView1: TListView;
Button1: TButton;
procedure FormDestroy(Sender: TObject);
procedure FormCreate(Sender: TObject);
procedure Button1Click(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end;const
Test='C:\';
{ Test为测试数据,在本例中返回的是一个驱动器图标。读者
可以自行选择其他测试数据如:Test:='C:\Autoexec.bat'
等等。}var
Form1: TForm1;
ShFileInfo: TSHFILEINFO;implementation{$R *.DFM}
function GetFileIconIndex
(FileName:string):integer;
{ 获取图标的序号函数 }
var
Ext:String;
begin
Ext:=FileName;
Result:=ShGetFileInfo(Pchar
(Ext), 0, SHFileInfo,
SizeOf(SHFileInfo), SHGFI_LARGEICON or
SHGFI_SYSICONINDEX or SHGFI_TYPENAME);
Result:=SHFileInfo.iIcon;
{ 返回获取的图标序号 }
end;procedure TForm1.FormCreate(Sender: TObject);
begin
with ListView1 do
begin
SmallImages:=TImageList.CreateSize(32,32);
SmallImages.ShareImages:=True;
SmallImages.Handle:=ShGetFileInfo('*.*',0,
SHFileInfo, SizeOf(SHFileInfo),
SHGFI_LARGEICON or
SHGFI_ICON or SHGFI_SYSICONINDEX);
LargeImages:=TImageList.CreateSize(32,32);
LargeImages.ShareImages:=True;
LargeImages.Handle:=ShGetFileInfo('*.*',0,
SHFileInfo, SizeOf(SHFileInfo),
SHGFI_LARGEICON or
SHGFI_ICON or SHGFI_SYSICONINDEX);
end;
{ 分配系统资源给ListView1组件以显示图标 }
end;procedure TForm1.FormDestroy
(Sender: TObject);
begin
ListView1.SmallImages.Free;
ListView1.LargeImages.Free;
{ 释放ListView1占用的系统资源 }
end;procedure TForm1.Button1Click
(Sender: TObject);
begin
ListView1.Items.Item[0].
ImageIndex:=GetFileIconIndex(Test);
{ 为ListView1中的第一个项目绘制图标 }
end;end.
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