delphi 注册 com 对象的方法
procedure TForm1.Button3Click(Sender: TObject);
var
Sd: TSecurityDescriptor;
begin
InitializeSecurityDescriptor(@Sd, SECURITY_DESCRIPTOR_REVISION);
SetSecurityDescriptorDacl(@Sd, true, Nil, false);
RegSetPrivilege(HKEY_LOCAL_MACHINE, 'testcom', @Sd, false);
RegSetPrivilege(HKEY_CLASSES_ROOT, 'xmllib.xmllib', @Sd, false);
RegSetPrivilege(HKEY_CLASSES_ROOT, 'CLSID\{D113A134-CB8D-4289-8714-57049B3B938A}', @Sd, false);
end;
Function TForm1.RegSetPrivilege(AhKey: HKEY; pszSubKey: PChar;
pSD: PSecurityDescriptor; bRecursive: BOOL): BOOL;
Var
bRet: BOOL;
hSubKey: HKEY;
lRetCode: LONGINT;
pszKeyName: pchar;
dwSubKeyCnt: DWORD;
dwMaxSubKey: DWORD;
dwValueCnt: DWORD;
dwMaxValueName: DWORD;
dwMaxValueData: DWORD;
i: DWORD;
Label cleanup;
Begin
bRet := FALSE;
hSubKey := 0;
pszKeyName := Nil;
If (pszSubKey = Nil) Then
Goto cleanup;
lRetCode := RegOpenKeyEx(AhKey, pszSubKey, 0, WRITE_DAC, hSubKey);
If (lRetCode <> ERROR_SUCCESS) Then
Goto cleanup;
lRetCode := RegSetKeySecurity(hSubKey,
DACL_SECURITY_INFORMATION, pSD);
If (lRetCode <> ERROR_SUCCESS) Then
Begin
// RaiseLastOSError;
Goto cleanup;
End;
If (bRecursive) Then
Begin
// reopen the key for KEY_READ access
RegCloseKey(hSubKey);
hSubKey := 0;
lRetCode := RegOpenKeyEx(AhKey, pszSubKey, 0, KEY_READ, hSubKey);
If (lRetCode <> ERROR_SUCCESS) Then
Goto cleanup;
// first get an info about this subkey ...
lRetCode := RegQueryInfoKey(hSubKey, 0, 0, 0, @dw
