Examples with HKEYByReference com.sun.jna.platform.win32.WinReg.HKEYByReference used on opensource projects

Example 26 with HKEYByReference

use of com.sun.jna.platform.win32.WinReg.HKEYByReference in project jna by java-native-access.

the class Advapi32Test method testRegEnumValue.

public void testRegEnumValue() {
    HKEYByReference phKey = new HKEYByReference();
    assertEquals(W32Errors.ERROR_SUCCESS, Advapi32.INSTANCE.RegOpenKeyEx(WinReg.HKEY_CURRENT_USER, "Software\\Microsoft\\Windows\\CurrentVersion\\Internet Settings", 0, WinNT.KEY_READ, phKey));
    IntByReference lpcValues = new IntByReference();
    IntByReference lpcMaxValueNameLen = new IntByReference();
    assertEquals(W32Errors.ERROR_SUCCESS, Advapi32.INSTANCE.RegQueryInfoKey(phKey.getValue(), null, null, null, null, null, null, lpcValues, lpcMaxValueNameLen, null, null, null));
    char[] name = new char[lpcMaxValueNameLen.getValue() + 1];
    for (int i = 0; i < lpcValues.getValue(); i++) {
        IntByReference lpcchValueName = new IntByReference(lpcMaxValueNameLen.getValue() + 1);
        IntByReference lpType = new IntByReference();
        assertEquals(W32Errors.ERROR_SUCCESS, Advapi32.INSTANCE.RegEnumValue(phKey.getValue(), i, name, lpcchValueName, null, lpType, null, null));
        assertEquals(Native.toString(name).length(), lpcchValueName.getValue());
    }
    assertEquals(W32Errors.ERROR_SUCCESS, Advapi32.INSTANCE.RegCloseKey(phKey.getValue()));
}

Example 27 with HKEYByReference

use of com.sun.jna.platform.win32.WinReg.HKEYByReference in project jna by java-native-access.

the class Advapi32Test method testRegOpenKeyEx.

public void testRegOpenKeyEx() {
    HKEYByReference phKey = new HKEYByReference();
    assertEquals(W32Errors.ERROR_SUCCESS, Advapi32.INSTANCE.RegOpenKeyEx(WinReg.HKEY_LOCAL_MACHINE, "SOFTWARE\\Microsoft", 0, WinNT.KEY_READ, phKey));
    assertTrue(WinBase.INVALID_HANDLE_VALUE != phKey.getValue());
    assertEquals(W32Errors.ERROR_SUCCESS, Advapi32.INSTANCE.RegCloseKey(phKey.getValue()));
}

Example 28 with HKEYByReference

use of com.sun.jna.platform.win32.WinReg.HKEYByReference in project jna by java-native-access.

the class NtDllTest method testZwQueryKey.

public void testZwQueryKey() {
    // open a key
    HKEYByReference phKey = new HKEYByReference();
    assertEquals(W32Errors.ERROR_SUCCESS, Advapi32.INSTANCE.RegOpenKeyEx(WinReg.HKEY_CURRENT_USER, "Software", 0, WinNT.KEY_WRITE | WinNT.KEY_READ, phKey));
    // query key info
    IntByReference resultLength = new IntByReference();
    assertEquals(NTStatus.STATUS_BUFFER_TOO_SMALL, NtDll.INSTANCE.ZwQueryKey(phKey.getValue(), KEY_INFORMATION_CLASS.KeyBasicInformation, null, 0, resultLength));
    assertTrue(resultLength.getValue() > 0);
    KEY_BASIC_INFORMATION keyInformation = new KEY_BASIC_INFORMATION(resultLength.getValue());
    assertEquals(NTStatus.STATUS_SUCCESS, NtDll.INSTANCE.ZwQueryKey(phKey.getValue(), Wdm.KEY_INFORMATION_CLASS.KeyBasicInformation, keyInformation, resultLength.getValue(), resultLength));
    // show
    // Keys are case insensitive (https://msdn.microsoft.com/de-de/library/windows/desktop/ms724946(v=vs.85).aspx)
    assertEquals("software", keyInformation.getName().toLowerCase());
    // close key
    assertEquals(W32Errors.ERROR_SUCCESS, Advapi32.INSTANCE.RegCloseKey(phKey.getValue()));
}

Example 29 with HKEYByReference

use of com.sun.jna.platform.win32.WinReg.HKEYByReference in project processing by processing.

the class WindowsRegistry method openKey.

/**
   * Opens a key.
   *
   * @param rootKey root key
   * @param subKeyName name of the key
   * @param access access mode
   * @return handle to the key or 0
   */
private static HKEY openKey(REGISTRY_ROOT_KEY rootKey, String subKeyName, int access) {
    //Advapi32 advapi32;
    //IntByReference pHandle;
    //int rootKeyHandle;
    Advapi32 advapi32 = Advapi32.INSTANCE;
    HKEY rootKeyHandle = getRegistryRootKey(rootKey);
    //pHandle = new IntByReference();
    HKEYByReference pHandle = new HKEYByReference();
    if (advapi32.RegOpenKeyEx(rootKeyHandle, subKeyName, 0, access, pHandle) == WinError.ERROR_SUCCESS) {
        return pHandle.getValue();
    } else {
        return null;
    }
}

Example 30 with HKEYByReference

use of com.sun.jna.platform.win32.WinReg.HKEYByReference in project processing by processing.

the class WindowsRegistry method getRegistryRootKey.

/**
   * Gets one of the root keys.
   *
   * @param key key type
   * @return root key
   */
private static HKEY getRegistryRootKey(REGISTRY_ROOT_KEY key) {
    //Advapi32 advapi32;
    //IntByReference pHandle;
    //int handle = 0;
    Advapi32 advapi32 = Advapi32.INSTANCE;
    //    pHandle = new IntByReference();
    HKEYByReference pHandle = new WinReg.HKEYByReference();
    HKEY handle = null;
    if (advapi32.RegOpenKeyEx(rootKeyMap.get(key), null, 0, 0, pHandle) == WinError.ERROR_SUCCESS) {
        handle = pHandle.getValue();
    }
    return handle;
}