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

Example 1 with DdeCallback

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

the class DdemlTest method testInitialization.

@Test
public void testInitialization() {
    DdeCallback callback = new Ddeml.DdeCallback() {

        public WinDef.PVOID ddeCallback(int wType, int wFmt, Ddeml.HCONV hConv, Ddeml.HSZ hsz1, Ddeml.HSZ hsz2, Ddeml.HDDEDATA hData, BaseTSD.ULONG_PTR lData1, BaseTSD.ULONG_PTR lData2) {
            return new PVOID();
        }
    };
    DWORDByReference pidInst = new DWORDByReference();
    int initResult = Ddeml.INSTANCE.DdeInitialize(pidInst, callback, Ddeml.APPCMD_CLIENTONLY, 0);
    assertEquals(Ddeml.DMLERR_NO_ERROR, initResult);
    boolean uninitResult = Ddeml.INSTANCE.DdeUninitialize(pidInst.getValue().intValue());
    assertTrue(uninitResult);
}

Example 2 with DdeCallback

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

the class DdemlTest method testStringHandling.

@Test
public void testStringHandling() {
    DdeCallback callback = new Ddeml.DdeCallback() {

        public WinDef.PVOID ddeCallback(int wType, int wFmt, Ddeml.HCONV hConv, Ddeml.HSZ hsz1, Ddeml.HSZ hsz2, Ddeml.HDDEDATA hData, BaseTSD.ULONG_PTR lData1, BaseTSD.ULONG_PTR lData2) {
            return new PVOID();
        }
    };
    DWORDByReference pidInst = new DWORDByReference();
    int initResult = Ddeml.INSTANCE.DdeInitialize(pidInst, callback, Ddeml.APPCMD_CLIENTONLY, 0);
    assertEquals(Ddeml.DMLERR_NO_ERROR, initResult);
    HSZ handle = Ddeml.INSTANCE.DdeCreateStringHandle(pidInst.getValue().intValue(), "Test", Ddeml.CP_WINUNICODE);
    assertNotNull(handle);
    // String in DDE can not exceed 255 Chars
    Memory mem = new Memory(256 * 2);
    Ddeml.INSTANCE.DdeQueryString(pidInst.getValue().intValue(), handle, mem, 256, Ddeml.CP_WINUNICODE);
    assertEquals("Test", mem.getWideString(0));
    synchronized (mem) {
    }
    assertTrue(Ddeml.INSTANCE.DdeFreeStringHandle(pidInst.getValue().intValue(), handle));
    // Test overlong creation -- according to documentation this must fail
    StringBuilder testString = new StringBuilder();
    for (int i = 0; i < 30; i++) {
        testString.append("0123456789");
    }
    HSZ handle2 = Ddeml.INSTANCE.DdeCreateStringHandle(pidInst.getValue().intValue(), testString.toString(), Ddeml.CP_WINUNICODE);
    assertNull(handle2);
    boolean uninitResult = Ddeml.INSTANCE.DdeUninitialize(pidInst.getValue().intValue());
    assertTrue(uninitResult);
}

Example 3 with DdeCallback

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

the class DdemlTest method testMemoryHandling.

@Test
public void testMemoryHandling() {
    DdeCallback callback = new Ddeml.DdeCallback() {

        public WinDef.PVOID ddeCallback(int wType, int wFmt, Ddeml.HCONV hConv, Ddeml.HSZ hsz1, Ddeml.HSZ hsz2, Ddeml.HDDEDATA hData, BaseTSD.ULONG_PTR lData1, BaseTSD.ULONG_PTR lData2) {
            return new PVOID();
        }
    };
    DWORDByReference pidInst = new DWORDByReference();
    int initResult = Ddeml.INSTANCE.DdeInitialize(pidInst, callback, Ddeml.APPCMD_CLIENTONLY, 0);
    assertEquals(Ddeml.DMLERR_NO_ERROR, initResult);
    // Acquire dummy handle
    HSZ hsz = Ddeml.INSTANCE.DdeCreateStringHandle(pidInst.getValue().intValue(), "Dummy", Ddeml.CP_WINUNICODE);
    String testStringPart1 = "Hallo ";
    String testStringPart2 = "Welt";
    // Create Handle
    // String in DDE can not exceed 255 Chars
    Memory mem = new Memory(256 * 2);
    mem.setWideString(0, testStringPart1);
    HDDEDATA data = Ddeml.INSTANCE.DdeCreateDataHandle(pidInst.getValue().intValue(), mem, testStringPart1.length() * 2, 0, hsz, WinUser.CF_UNICODETEXT, Ddeml.HDATA_APPOWNED);
    mem.setWideString(0, testStringPart2);
    Ddeml.INSTANCE.DdeAddData(data, mem, (testStringPart2.length() + 1) * 2, testStringPart1.length() * 2);
    DWORDByReference dataSize = new DWORDByReference();
    Pointer resultPointer = Ddeml.INSTANCE.DdeAccessData(data, dataSize);
    assertEquals((testStringPart1.length() + testStringPart2.length() + 1) * 2, dataSize.getValue().intValue());
    assertEquals(testStringPart1 + testStringPart2, resultPointer.getWideString(0));
    boolean result = Ddeml.INSTANCE.DdeUnaccessData(data);
    int readSize = Ddeml.INSTANCE.DdeGetData(data, mem, (int) mem.size(), 0);
    assertEquals((testStringPart1.length() + testStringPart2.length() + 1) * 2, readSize);
    assertEquals(testStringPart1 + testStringPart2, mem.getWideString(0));
    assertTrue(result);
    result = Ddeml.INSTANCE.DdeFreeDataHandle(data);
    assertTrue(result);
    synchronized (mem) {
    }
    result = Ddeml.INSTANCE.DdeUninitialize(pidInst.getValue().intValue());
    assertTrue(result);
}