/// <summary>
/// Add property page for this object
/// </summary>
/// <param name="lpfnAddPage"></param>
/// <param name="lParam"></param>
/// <returns></returns>
int IShellPropSheetExt.AddPages(LPFNSVADDPROPSHEETPAGE pfnAddPage, IntPtr lParam)
{
try
{
// ADD PAGES HERE
SheetControl samplePage;
PROPSHEETPAGE psp;
IntPtr hPage;
// create new inherited property page(s) and pass dobj to it
samplePage = new DokanNFCSheet();
psp = samplePage.GetPSP(250, 230);
hPage = ShellAPIWrapper.CreatePropertySheetPage(ref psp);
bool result = pfnAddPage(hPage, lParam);
if (!result)
{
ShellAPIWrapper.DestroyPropertySheetPage(hPage);
}
// We'll add reference manualy only if there is no exceptions
samplePage.KeepAlive();
}
catch (Exception ex)
{
System.Windows.Forms.MessageBox.Show(ex.ToString());
}
return(0);
}
public static IntPtr CreatePropertySheetPage(ref PROPSHEETPAGE psp)
{
IntPtr hPage = ShellAPIWrapper.CreatePropertySheetPage_(ref psp);
if (hPage == IntPtr.Zero)
{
throw new Exception("CreatePropertySheetPage failed");
}
return(hPage);
}
/// <summary>
/// Handle all messages coming sent to the property page
/// </summary>
/// <param name="hwndDlg"></param>
/// <param name="msg"></param>
/// <param name="wParam"></param>
/// <param name="lParam"></param>
/// <returns></returns>
public bool PropPageDialogProc(IntPtr hwndDlg, uint msg, IntPtr wParam, IntPtr lParam)
{
switch ((WM)msg)
{
case WM.INITDIALOG:
// Set up our parent managed control first
// Warning: this is NOT supported feature in Windows Forms,
// The only supported unmanaged container for managed controls is IE
this.hWin32Dlg = hwndDlg;
ShellAPIWrapper.SetParent(this.Handle, this.hWin32Dlg);
break;
case WM.PAINT:
// MS sample used to have a Refresh() here. (Then you can return true?).
// If you don't return false ,you keep on getting paint messages!
return(false);
case WM.NOTIFY:
// Most notifications are sent in the form of a WM_NOTIFY message.
// To set the return value that some of the notifications require, the
// dialog box procedure must call SetWindowLong function and return TRUE.
// Do not kill,add,remove pages/dialogs during most notification handling
int pResult;
if (OnNotify(wParam, lParam, out pResult))
{
ShellAPIWrapper.SetWindowLong(hWin32Dlg, (int)DWL.MSGRESULT, pResult);
}
// if we dont send, should we still send return true?
break;
// case WM.DESTROY: ? If an application processes this message, it should return zero!
default:
// We'll let the default windows (dialog procedure) message
// handler handle the rest of the messages
return(false);
// WM.COMMAND,WM.GETDLGCODE,WM.KILLFOCUS,WM.SETFOCUS,WM.CHAR never arrive
}
return(true);
}
/// <summary>
/// Page handler function
/// </summary>
/// <param name="wParam"></param>
/// <param name="lParam"></param>
/// <param name="pResult"></param>
/// <returns></returns>
protected virtual bool OnNotify(IntPtr wParam, IntPtr lParam, out int pResult)
{
NMHDR nmhdr = (NMHDR)Marshal.PtrToStructure(lParam, typeof(NMHDR));
pResult = 0;
// don't handle messages not from the page/sheet itself?
if (nmhdr.hwndFrom != hWin32Dlg && nmhdr.hwndFrom != ShellAPIWrapper.GetParent(hWin32Dlg))
{
return(false);
}
switch ((PSN)nmhdr.code)
{
case PSN.SETACTIVE:
// Notifies a page that it is about to be activated.
// Returns zero to accept the activation, or -1 to activate the next or
// the previous page (depending on whether the user clicked Next or Back).
pResult = 0;
break;
case PSN.KILLACTIVE:
// Notifies a page that it is about to lose activation either because another page
// is being activated or the user has clicked the OK button.
// We always return true for this because we validate on control already
pResult = 0;
break;
case PSN.APPLY:
// Sometimes the Apply button causes a page to make a change to a property sheet,
// and the change cannot be undone. When this happens, the page must send the
// PSM_CANCELTOCLOSE message to the property sheet. --> doesn't work
// After making such a change, a page can send either the PSM_RESTARTWINDOWS or
// PSM_REBOOTSYSTEM message to the property sheet. to restart the system!!
if (modified)
{
OnApply();
modified = false;
}
pResult = (int)PSNRET.NOERROR;
break;
case PSN.RESET:
// Notifies a page that the property sheet is about to be destroyed.
// I think this means cancel, we don't care ... MFC: OnReset();
break;
case PSN.QUERYCANCEL:
break;
/////////////////////////////////////////////////////////////////////////
// Wizard messages
case PSN.WIZNEXT:
//WINBUG: Win32 will send a PSN_WIZBACK even if the button is disabled.
break;
case PSN.WIZBACK:
//WINBUG: Win32 will send a PSN_WIZBACK even if the button is disabled.
break;
case PSN.WIZFINISH:
break;
//////////////////////////////////////////////////////////////////////////////////
case PSN.HELP:
// -- For help, we can use tool tips instead. cool.
// SendMessage(WM_COMMAND, ID_HELP);
break;
case PSN.QUERYINITIALFOCUS:
pResult = 0;
// An application must not call the SetFocus function while
// handling this notification. Return the handle of the control
// that should receive focus.
break;
case PSN.TRANSLATEACCELERATOR:
// Accelerator keys messages.
// We handle this message to handle TAB and SHIFT TAB buttons.
// Hot keys must be handled here too. Weired: these already work in hyenet!
// Note: tried overriding ProcessTabKey(),ProcessDialogKey(),WndProc(),_KeyPress(),_KeyDown().
// Also try passing message to usercontrol() with out much success (for the TAB problem).
// Also tried changing our base type to Form instead of UserControl, but didn't work.
PSHNOTIFY pshn = (PSHNOTIFY)Marshal.PtrToStructure(lParam, typeof(PSHNOTIFY));
MSG iMsg = (MSG)Marshal.PtrToStructure(pshn.lParam, typeof(MSG));
pResult = (int)PSNRET.NOERROR;
// shift key
if ((int)iMsg.wParam == 16)
{
if (iMsg.message == (uint)WM.KEYDOWN)
{
shift = true;
}
else if (iMsg.message == (uint)WM.KEYUP)
{
shift = false;
}
}
// tab key
if ((int)iMsg.wParam == 9 && iMsg.message == (uint)WM.KEYDOWN)
{
ProcessTabKey(!shift);
// 1- visual selection (khattaye doresh) of TAB doesn't work on DW server console.
// 2- If control at end / start send WM.NEXTDLGCTL to property sheet to WRAP.
pResult = (int)PSNRET.MESSAGEHANDLED;
// no more processing needed (remove windows tab, with it's wrong order)
}
break;
default:
return(false); //Not handled
}
return(true); //Handled
}