Examples with Kernel32 com.sun.jna.platform.win32.Kernel32 used on opensource projects

Example 56 with Kernel32

use of com.sun.jna.platform.win32.Kernel32 in project jna by java-native-access.

the class Kernel32Test method testModule32FirstW.

public void testModule32FirstW() {
    HANDLE snapshot = Kernel32.INSTANCE.CreateToolhelp32Snapshot(Tlhelp32.TH32CS_SNAPMODULE, new DWORD(Kernel32.INSTANCE.GetCurrentProcessId()));
    if (snapshot == null) {
        throw new Win32Exception(Kernel32.INSTANCE.GetLastError());
    }
    Win32Exception we = null;
    Tlhelp32.MODULEENTRY32W first = new Tlhelp32.MODULEENTRY32W();
    try {
        if (!Kernel32.INSTANCE.Module32FirstW(snapshot, first)) {
            throw new Win32Exception(Kernel32.INSTANCE.GetLastError());
        }
        // not sure if this will be run against java.exe or javaw.exe but this
        // check tests both
        assertTrue("The first module in the current process should be java.exe or javaw.exe", first.szModule().startsWith("java"));
        assertEquals("The process ID of the module ID should be our process ID", Kernel32.INSTANCE.GetCurrentProcessId(), first.th32ProcessID.intValue());
    } catch (Win32Exception e) {
        we = e;
        // re-throw so finally block is executed
        throw we;
    } finally {
        try {
            Kernel32Util.closeHandle(snapshot);
        } catch (Win32Exception e) {
            if (we == null) {
                we = e;
            } else {
                we.addSuppressed(e);
            }
        }
        if (we != null) {
            throw we;
        }
    }
}

Example 57 with Kernel32

use of com.sun.jna.platform.win32.Kernel32 in project jna by java-native-access.

the class Kernel32Test method testGetPrivateProfileSectionNames.

public final void testGetPrivateProfileSectionNames() throws IOException {
    final File tmp = File.createTempFile("testGetPrivateProfileSectionNames", ".ini");
    tmp.deleteOnExit();
    final PrintWriter writer = new PrintWriter(new BufferedWriter(new FileWriter(tmp)));
    try {
        writer.println("[S1]");
        writer.println("[S2]");
    } finally {
        writer.close();
    }
    final char[] buffer = new char[7];
    final DWORD len = Kernel32.INSTANCE.GetPrivateProfileSectionNames(buffer, new DWORD(buffer.length), tmp.getCanonicalPath());
    assertEquals(len.intValue(), 5);
    assertEquals(new String(buffer), "S1\0S2\0\0");
}

Example 58 with Kernel32

use of com.sun.jna.platform.win32.Kernel32 in project jna by java-native-access.

the class Kernel32Test method testGetVersion.

public void testGetVersion() {
    DWORD version = Kernel32.INSTANCE.GetVersion();
    assertTrue("Version high should be non-zero: 0x" + Integer.toHexString(version.getHigh().intValue()), version.getHigh().intValue() != 0);
    assertTrue("Version low should be >= 0: 0x" + Integer.toHexString(version.getLow().intValue()), version.getLow().intValue() >= 0);
}

Example 59 with Kernel32

use of com.sun.jna.platform.win32.Kernel32 in project jna by java-native-access.

the class Kernel32Test method testGetPrivateProfileString.

public final void testGetPrivateProfileString() throws IOException {
    final File tmp = File.createTempFile("testGetPrivateProfileString", ".ini");
    tmp.deleteOnExit();
    final PrintWriter writer = new PrintWriter(new BufferedWriter(new FileWriter(tmp)));
    writer.println("[Section]");
    writer.println("existingKey = ABC");
    writer.close();
    final char[] buffer = new char[8];
    DWORD len = Kernel32.INSTANCE.GetPrivateProfileString("Section", "existingKey", "DEF", buffer, new DWORD(buffer.length), tmp.getCanonicalPath());
    assertEquals(3, len.intValue());
    assertEquals("ABC", Native.toString(buffer));
    len = Kernel32.INSTANCE.GetPrivateProfileString("Section", "missingKey", "DEF", buffer, new DWORD(buffer.length), tmp.getCanonicalPath());
    assertEquals(3, len.intValue());
    assertEquals("DEF", Native.toString(buffer));
}

Example 60 with Kernel32

use of com.sun.jna.platform.win32.Kernel32 in project jna by java-native-access.

the class HybdridCOMInvocationTest method testOfficeInvocationDemonstration.

public void testOfficeInvocationDemonstration() {
    // THIS IS NOT A TEST
    //
    // This reproduces the problem by using the dispatch directly.
    PointerByReference pDispatch = new PointerByReference();
    HRESULT hr = Ole32.INSTANCE.CoCreateInstance(CLSID_WORD, null, WTypes.CLSCTX_SERVER, IID_APPLICATION, pDispatch);
    if (!COMUtils.SUCCEEDED(hr)) {
        LOG.log(Level.INFO, "HybdridCOMInvocationTest test was not run, MS Word object could not be instantiated.");
        return;
    }
    Dispatch dp = new Dispatch(pDispatch.getValue());
    // DispID of InchesToPoints
    DISPID dispId = new OaIdl.DISPID(0x00000172);
    // Interface _Application of MS Word type library
    WinDef.LCID LOCALE_SYSTEM_DEFAULT = Kernel32.INSTANCE.GetSystemDefaultLCID();
    Variant.VARIANT.ByReference result = new Variant.VARIANT.ByReference();
    OaIdl.EXCEPINFO.ByReference pExcepInfo = new OaIdl.EXCEPINFO.ByReference();
    IntByReference puArgErr = new IntByReference();
    WORD wFlagsMethod = new WinDef.WORD(OleAuto.DISPATCH_METHOD);
    WORD wFlagsGet = new WinDef.WORD(OleAuto.DISPATCH_PROPERTYGET);
    WORD wFlagsCombined = new WinDef.WORD(OleAuto.DISPATCH_METHOD | OleAuto.DISPATCH_PROPERTYGET);
    OleAuto.DISPPARAMS.ByReference pDispParams = new OleAuto.DISPPARAMS.ByReference();
    VARIANT[] params = new VARIANT[] { new VARIANT(1f) };
    pDispParams.setArgs(params);
    // Call InchesToPoints as a method
    hr = dp.Invoke(dispId, new REFIID(Guid.IID_NULL), LOCALE_SYSTEM_DEFAULT, wFlagsMethod, pDispParams, result, pExcepInfo, puArgErr);
    assertTrue(COMUtils.FAILED(hr));
    // Call InchesToPoints as a property getter
    hr = dp.Invoke(dispId, new REFIID(Guid.IID_NULL), LOCALE_SYSTEM_DEFAULT, wFlagsGet, pDispParams, result, pExcepInfo, puArgErr);
    assertTrue(COMUtils.FAILED(hr));
    // Call InchesToPoints as a hybrid
    hr = dp.Invoke(dispId, new REFIID(Guid.IID_NULL), LOCALE_SYSTEM_DEFAULT, wFlagsCombined, pDispParams, result, pExcepInfo, puArgErr);
    assertTrue(COMUtils.SUCCEEDED(hr));
    assertEquals(72.0f, result.floatValue());
}