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用 GDI 操作 EMF 文件[3]: GetEnhMetaFile

2008-06-04 16:55 211 查看
unit Unit1;

interface

uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, StdCtrls;

type
TForm1 = class(TForm)
Button1: TButton;
procedure Button1Click(Sender: TObject);
end;

var
Form1: TForm1;

implementation

{$R *.dfm}

procedure TForm1.Button1Click(Sender: TObject);
const
Path = 'C:\Temp\MyMetaFile.emf'; {假定这个文件还在}
var
HMetaFile: HENHMETAFILE; {EMF 文件句柄}
begin
HMetaFile := GetEnhMetaFile(PChar(Path));                      {打开}
PlayEnhMetaFile(Canvas.Handle, HMetaFile, Rect(10,10,100,60)); {重新绘制 EMF}
DeleteEnhMetaFile(HMetaFile);
end;

end.
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