我正在尝试将 Delphi 任务对话框使用的图标加载到TImage
控制。
据我所知here https://stackoverflow.com/a/36764762/4528159, 我在用着LoadImage https://learn.microsoft.com/it-it/windows/desktop/api/winuser/nf-winuser-loadimagea功能,但图标与所使用的图标略有不同MessageDlg http://docs.embarcadero.com/products/rad_studio/delphiAndcpp2009/HelpUpdate2/EN/html/delphivclwin32/Dialogs_MessageDlg@string@TMsgDlgType@TMsgDlgButtons@Longint.html功能。
unit Unit1;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, StdCtrls, ExtCtrls;
type
TForm1 = class(TForm)
Button1: TButton;
Image1: TImage;
procedure Button1Click(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end;
var
Form1: TForm1;
implementation
{$R *.dfm}
procedure TForm1.Button1Click(Sender: TObject);
begin
Image1.Picture.Icon.Handle := LoadImage( 0, IDI_WARNING, IMAGE_ICON, 0, 0, LR_DEFAULTSIZE or LR_SHARED );
MessageDlg('mtWarning', mtWarning, [mbOk], 0);
Image1.Picture.Icon.Handle := LoadImage( 0, IDI_ERROR, IMAGE_ICON, 0, 0, LR_DEFAULTSIZE or LR_SHARED );
MessageDlg('mtError', mtError, [mbOk], 0);
Image1.Picture.Icon.Handle := LoadImage( 0, IDI_INFORMATION, IMAGE_ICON, 0, 0, LR_DEFAULTSIZE or LR_SHARED );
MessageDlg('mtInformation', mtInformation, [mbOk], 0);
Image1.Picture.Icon.Handle := LoadImage( 0, IDI_QUESTION, IMAGE_ICON, 0, 0, LR_DEFAULTSIZE or LR_SHARED );
MessageDlg('mtConfirmation', mtConfirmation, [mbOk], 0);
end;
end.
正如你所看到的,图标中TImage
与所使用的相应图标不同MessageDlg
功能。
进一步测试:
我发现MessageDlg
功能使用相同的图标获得LoadImage
当。。。的时候启用运行时主题标志已停用(在项目选项).
The MessageDlg
函数似乎使用了一些定义在CommCtrl
单元:
{ 任务对话框常用图标 }
{$EXTERNALSYM TD_WARNING_ICON}
TD_WARNING_ICON = MAKEINTRESOURCEW(Word(-1));
{$EXTERNALSYM TD_ERROR_ICON}
TD_ERROR_ICON = MAKEINTRESOURCEW(Word(-2));
{$EXTERNALSYM TD_INFORMATION_ICON} TD_INFORMATION_ICON = MAKEINTRESOURCEW(Word(-3));
{$EXTERNALSYM TD_SHIELD_ICON}
TD_SHIELD_ICON = MAKEINTRESOURCEW(Word(-4));
如何获得任务对话框使用的相同图标?