Examples with PRINTER_INFO_2 com.sun.jna.platform.win32.Winspool.PRINTER_INFO_2 used on opensource projects

Example 1 with PRINTER_INFO_2

use of com.sun.jna.platform.win32.Winspool.PRINTER_INFO_2 in project jna by java-native-access.

the class WinspoolTest method testEnumPrinters_2.

public void testEnumPrinters_2() {
    IntByReference pcbNeeded = new IntByReference();
    IntByReference pcReturned = new IntByReference();
    // if there are no printers installed, EnumPrinters will succeed with zero items returned 
    Winspool.INSTANCE.EnumPrinters(Winspool.PRINTER_ENUM_LOCAL, null, 2, null, 0, pcbNeeded, pcReturned);
    assertTrue(pcReturned.getValue() == 0);
    if (pcbNeeded.getValue() > 0) {
        PRINTER_INFO_2 pPrinterEnum = new PRINTER_INFO_2(pcbNeeded.getValue());
        assertTrue(Winspool.INSTANCE.EnumPrinters(Winspool.PRINTER_ENUM_LOCAL, null, 2, pPrinterEnum.getPointer(), pcbNeeded.getValue(), pcbNeeded, pcReturned));
        assertTrue(pcReturned.getValue() >= 0);
        PRINTER_INFO_2[] printerInfo = (PRINTER_INFO_2[]) pPrinterEnum.toArray(pcReturned.getValue());
        for (PRINTER_INFO_2 pi : printerInfo) {
            assertTrue(pi.pPrinterName == null || pi.pPrinterName.length() >= 0);
        }
    }
}

Example 2 with PRINTER_INFO_2

use of com.sun.jna.platform.win32.Winspool.PRINTER_INFO_2 in project jna by java-native-access.

the class WinspoolUtil method getPrinterInfo2.

private static PRINTER_INFO_2[] getPrinterInfo2(int flags) {
    IntByReference pcbNeeded = new IntByReference();
    IntByReference pcReturned = new IntByReference();
    Winspool.INSTANCE.EnumPrinters(flags, null, 2, null, 0, pcbNeeded, pcReturned);
    if (pcbNeeded.getValue() <= 0)
        return new PRINTER_INFO_2[0];
    PRINTER_INFO_2 pPrinterEnum = new PRINTER_INFO_2(pcbNeeded.getValue());
    if (!Winspool.INSTANCE.EnumPrinters(flags, null, 2, pPrinterEnum.getPointer(), pcbNeeded.getValue(), pcbNeeded, pcReturned))
        throw new Win32Exception(Kernel32.INSTANCE.GetLastError());
    pPrinterEnum.read();
    return (PRINTER_INFO_2[]) pPrinterEnum.toArray(pcReturned.getValue());
}

Example 3 with PRINTER_INFO_2

use of com.sun.jna.platform.win32.Winspool.PRINTER_INFO_2 in project jna by java-native-access.

the class WinspoolUtil method getPrinterInfo2.

public static PRINTER_INFO_2 getPrinterInfo2(String printerName) {
    IntByReference pcbNeeded = new IntByReference();
    IntByReference pcReturned = new IntByReference();
    HANDLEByReference pHandle = new HANDLEByReference();
    if (!Winspool.INSTANCE.OpenPrinter(printerName, pHandle, null))
        throw new Win32Exception(Kernel32.INSTANCE.GetLastError());
    Win32Exception we = null;
    PRINTER_INFO_2 pinfo2 = null;
    try {
        Winspool.INSTANCE.GetPrinter(pHandle.getValue(), 2, null, 0, pcbNeeded);
        if (pcbNeeded.getValue() <= 0)
            return new PRINTER_INFO_2();
        pinfo2 = new PRINTER_INFO_2(pcbNeeded.getValue());
        if (!Winspool.INSTANCE.GetPrinter(pHandle.getValue(), 2, pinfo2.getPointer(), pcbNeeded.getValue(), pcReturned))
            throw new Win32Exception(Kernel32.INSTANCE.GetLastError());
        pinfo2.read();
    } catch (Win32Exception e) {
        we = e;
    } finally {
        if (!Winspool.INSTANCE.ClosePrinter(pHandle.getValue())) {
            Win32Exception ex = new Win32Exception(Kernel32.INSTANCE.GetLastError());
            if (we != null) {
                ex.addSuppressed(we);
            }
        }
    }
    if (we != null) {
        throw we;
    }
    return pinfo2;
}