我正在使用代碼獲取系統打印機圖標(我發現的唯一方法 - 就是使用IShellFolder),現在我想將它們與InstalledPrinters連接,但問題是 - 我無法找到找到真正的打印機名稱的方法(例如「\ ServerName \ PrinterName」),與顯示「設備和打印機」shell文件夾內容的名稱不同,並且只適用於PrinterSettings。如何從設備和打印機IShellFolder獲取打印機名稱?
的代碼我有使用以檢索打印機的圖標和打印機標題中的「設備和打印機」文件夾殼:
Shell32.IShellFolder iDesktopFolder = Shell32.GetDesktopFolder();
try
{
IntPtr pidlPrintersFolder;
if (Shell32.SHGetFolderLocation(_hwndOwner, (int)Shell32.CSIDL.CSIDL_PRINTERS, IntPtr.Zero, 0, out pidlPrintersFolder) == 0)
try
{
StringBuilder strDisplay = new StringBuilder(260);
Guid guidIShellFolder = Shell32.IID_IShellFolder;
IntPtr ptrPrintersShellFolder;
iDesktopFolder.BindToObject(pidlPrintersFolder, IntPtr.Zero, ref guidIShellFolder, out ptrPrintersShellFolder);
Object objPrintersShellFolder = Marshal.GetTypedObjectForIUnknown(ptrPrintersShellFolder, Shell32.ShellFolderType);
try
{
Shell32.IShellFolder printersShellFolder = (Shell32.IShellFolder)objPrintersShellFolder;
IntPtr ptrObjectsList;
printersShellFolder.EnumObjects(_hwndOwner, Shell32.ESHCONTF.SHCONTF_NONFOLDERS, out ptrObjectsList);
Object objEnumIDList = Marshal.GetTypedObjectForIUnknown(ptrObjectsList, Shell32.EnumIDListType);
try
{
Shell32.IEnumIDList iEnumIDList = (Shell32.IEnumIDList)objEnumIDList;
IntPtr[] rgelt = new IntPtr[1];
IntPtr pidlPrinter;
int pceltFetched;
Shell32.STRRET ptrString;
while (iEnumIDList.Next(1, rgelt, out pceltFetched) == 0 && pceltFetched == 1)
{
printersShellFolder.GetDisplayNameOf(rgelt[0],
Shell32.ESHGDN.SHGDN_NORMAL, out ptrString);
if (Shell32.StrRetToBuf(ref ptrString, rgelt[0], strDisplay,
(uint)strDisplay.Capacity) == 0)
{
pidlPrinter = Shell32.ILCombine(pidlPrintersFolder, rgelt[0]);
string printerDisplayName = strDisplay.ToString();
Shell32.SHFILEINFO shinfo = new Shell32.SHFILEINFO();
Shell32.SHGetFileInfo(this._pidl, 0, out shinfo, (uint)Marshal.SizeOf(shinfo), Shell32.SHGFI.PIDL | Shell32.SHGFI.AddOverlays | Shell32.SHGFI.Icon);
Icon printerIcon = (Icon)Icon.FromHandle(shinfo.hIcon).Clone();
Shell32.DestroyIcon(shinfo.hIcon);
// HOW TO GET PRINTER NAME (\\ServerName\printername) WITH IS DIFFERENT FROM A PRINTER NAME IN "DEVICES AND PRINTERS" SYSTEM FOLDER
}
}
}
finally
{
Marshal.ReleaseComObject(objEnumIDList);
}
}
finally
{
Marshal.ReleaseComObject(objPrintersShellFolder);
}
}
finally
{
Shell32.ILFree(pidlPrintersFolder);
}
}
finally
{
Marshal.ReleaseComObject(iDesktopFolder);
}
感謝您的幫助。
我很好奇你結束了什麼。我有同樣的需要。 – jnm2