PDF XChange Forum

Posted: **Mon Sep 24, 2018 12:41 pm**

How could I go about using my own dialog boxes instead of the pdfxchange dialogs.

For now I really like to replace the dialog that pops up when you press delete on a bookmark.

Do I need to write a custom command handler?

See attached image.

Posted: **Tue Sep 25, 2018 12:12 pm**

Hello jusWest,

I've asked a colleague in the dev team for his assistance with this. Please note that it might not be possible at all to replace the default dialogues, but I will know more once I get my colleague's reply!
I will post here as soon as I have any further info.

Regards,
Stefan

Posted: **Tue Sep 25, 2018 8:07 pm**

Hi jusWest.

Yes, you would be able to replace this (and any other dlg) using the following:

Code: Select all

public partial class MyEventMon : PDFXEdit.IUIX_EventMonitor
{
    public void OnEventMonitor(PDFXEdit.IUIX_Obj pTarget, PDFXEdit.IUIX_Event pEvent)
    {
        if ((pEvent.Code == (int)PDFXEdit.UIX_EventCodes.e_BeginModal)
        {
            PDFXEdit.IUIX_Inst uiInst = pTarget.ThreadCtx.Inst;
            if (pTarget.get_ID() == uiInst.Str2ID("std:MsgBox")) // filter to override msgboxes only
            {
                IntPtr outPtr;
                obj.QueryImpl(typeof(PDFXEdit.IUIX_Dialog).GUID, null, out outPtr);
                PDFXEdit.IUIX_Dialog pDlg = (PDFXEdit.IUIX_Dialog)System.Runtime.InteropServices.Marshal.GetObjectForIUnknown(outPtr);
                if (pDlg != null)
                {
                    PDFXEdit.IUIX_Obj labelObj = pDlg.GetItem("msg:text");
                    string msgText = label.Text;

                    // make event handled to skip the original msgbox
                    pEvent.Handled = true; pEvent.Result = 1;

                    // show my own msgbox
                    if (ShowMyMsgBox(msgText))
                        pEvent.Param1 = PDFXEdit.UIX_MsgBoxResult.UIX_Yes;
                    else
                        pEvent.Param1 = PDFXEdit.UIX_MsgBoxResult.UIX_No;
                }
            }
        }
    }
}

...

// register once, on start app 
em = new MyEventMon();
uiInst.CurrentThreadCtx.RegisterEventMonitor(em);

...

// and unregister on app exit

But unfortunately, if we are talking about overriding the editor's msg-boxes - there is no simple way to distinguish one msgbox from others. This could be a real problem for you, because you may not want to override all existing msgboxes in Editor. Also many of them are too complex(containing lots of buttons and other controls). Currently I can suggest that you try and check the msg text, by some keywords, I guess..

HTH.

Posted: **Wed Sep 26, 2018 8:33 am**

Thank you, I got it to work by identifying the text pattern in the dialog box

Posted: **Wed Sep 26, 2018 9:23 am**

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