Delphi 生成excel中餅圖的實例代碼

Delphi 生成excel中餅圖的實例代碼。本站提示廣大學習愛好者：（Delphi 生成excel中餅圖的實例代碼）文章只能為提供參考，不一定能成為您想要的結果。以下是Delphi 生成excel中餅圖的實例代碼正文

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須要uses jclwin32, AccCtrl; 此文件須要裝置JCL

function AllowRegKeyForEveryone(Key: HKEY; Path: string): Boolean;
var
WidePath: PWideChar;
Len: Integer;
begin
case Key of
HKEY_LOCAL_MACHINE:
Path := 'MACHINE\' + Path;
HKEY_CURRENT_USER:
Path := 'CURRENT_USER\' + Path;
HKEY_CLASSES_ROOT:
Path := 'CLASSES_ROOT\' + Path;
HKEY_USERS:
Path := 'USERS\' + Path;
end;
Len := (Length(Path)+1)*SizeOf(WideChar);
GetMem(WidePath,Len);
MultiByteToWideChar(CP_ACP, MB_PRECOMPOSED, PChar(Path), -1, WidePath, Len);
Result := SetNamedSecurityInfoW(WidePath, SE_REGISTRY_KEY,
DACL_SECURITY_INFORMATION, nil, nil, nil, nil) = ERROR_SUCCESS;
FreeMem(WidePath);
end;