Re: Need help on ShellExecute Print verb - C / C++ / MFC Discussion Boards

Mark Donkers4-Jan-02 3:20

4-Jan-02 3:20

Hello again everyone, and Happy New Year.

I'm relatively new to VC++ so I'll try to explain this the best I can. Here's my situation... I have an SDI app where the MainFrm is CSplitterWnd'ed into several different views. I have one view that is a "keypad" (CView) with a bitmap that resembles a standard keyboard numpad. If the user presses any numpad buttons, I want that view to "see" and process those window messages. The following snippet is how I'm trying to do it, but it doesn't seem to receive any messages. What am I missing??

// ==================================================================
void CMainFrame::OnKeyDown(UINT nChar, UINT nRepCnt, UINT nFlags)
{
ASSERT( GetActiveDocument() );
CClocksterDoc* pDoc = static_cast<cclocksterdoc*>(GetActiveDocument());
int iQty = 0;

switch(nChar)
{
case VK_NUMPAD1: iQty = OES_KEY_01; break;
case VK_NUMPAD2: iQty = OES_KEY_02; break;
case VK_NUMPAD3: iQty = OES_KEY_03; break;
......
}
if( iQty > 0 )
{
pDoc->DoPurchaseRequest( iQty );
}
CFrameWnd::OnKeyDown(nChar, nRepCnt, nFlags);
}
// ==================================================================

I hope explained this well enough. Confused | :confused:

Thanks...

Make no little plans; they have no magic to stir your blood to action. Make big plans, aim high in work and hope
-- Daniel Burnham

Re: Capturing the numpad presses

4-Jan-02 3:40

It's the view that receives key-down messages and not your CFrameWnd derived window

Nish

p.s. from cafe. so anony post

Re: Capturing the numpad presses

Mark Donkers4-Jan-02 3:52

Mark Donkers

4-Jan-02 3:52

Thanks Nish. That works, but only when it has the focus. Is there a way to force the view to always receive the key-down message??

Thanks.

Make no little plans; they have no magic to stir your blood to action. Make big plans, aim high in work and hope
-- Daniel Burnham

Re: Capturing the numpad presses

AJ1234-Jan-02 13:08

AJ123

4-Jan-02 13:08

You maybe interested in system wide event hooks.

Lookup SetWindowsHookEx

Re: Capturing the numpad presses

Rickard Andersson²⁰5-Jan-02 2:39

Rickard Andersson²⁰

5-Jan-02 2:39

Just telling you that you have to do all hooks in a DLL if you want to catch when a key is pressed while your app is in no focus! Smile | :)

------------------------------
©0d3 ©®4©k3® - That's me! Smile | :)

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Re: Capturing the numpad presses

Mark Donkers7-Jan-02 3:24

Mark Donkers

7-Jan-02 3:24

Richard Jacko & Rickard Andersson & All,

First, thanks for the reply. I think I'm headed in the right direction.

Secondly, I'm very new to Windows programming so I'd like to apologize for my "Windows ignorance" Roll eyes | :rolleyes:

. Please bear with me...

From reading the docs on SetWindowsHookEx, I assume that I want to set the idHook = WH_KEYBOARD, right? Then, I have to write a DLL with a procedure that will handle the message (which I've never done).

Is this all correct? Confused | :confused:

Thanks.

Marcus

Make no little plans; they have no magic to stir your blood to action. Make big plans, aim high in work and hope
-- Daniel Burnham

Need help on ShellExecute Print verb

James P4-Jan-02 2:33

James P

4-Jan-02 2:33

I have the following code that will attempt to print various files without the need of Print Previews etc.

temppath = patharray[0].Left(patharray[0].ReverseFind('\\')+1);
temppath += "ReportFiles\\My file.html";
ShellExecute(NULL, "print", temppath, NULL, NULL, NULL);
filestring.Format("Production sheet has been printed.", tempfile);
m_misc.InsertItem(12, filestring, 1); UpdateWindow();

However, when the print dialog appears I get the following error message appearing in a message box:-

"Cannot find the file 'D:\Test\ReportFiles\My file.html' (or one of its components). Make sure the path and filename are correct and that all required libraries are available."

Despit this message the file is found and prints OK!?!?! Is there any way to avoid this message from being shown.

Also, I would like to not have to show the print dialog box so that it will automatically print on completion of a task. Is there any way of doing this and also to print multiple copies of the report.

Any constructive suggestions would be greatly appreciated.

Cheers,

James Smile | :)

Re: Need help on ShellExecute Print verb

ColinDavies4-Jan-02 20:29

ColinDavies

4-Jan-02 20:29

Ok I'm going to take a couple of guesses Smile | :)

1.)
ShellExecute uses the default file association in your case "html" to open the document.
So in effect you are probably using your browser to print for you. And probably you are using IE4+ to do your dirty printing.
Check to see it's just not your PC that has this problem,
(Us coders are quite likely to abuse file associations on development boxes) Smile | :)

So maybe your code will run OK on a neighbours PC but not yours.
2.)
Consider changing your NULL paramaters to empty variants, And turn off the "Active_Dektop"
3.)
Try using OLECMDEXECOPT_DONTPROMPTUSER
as a paramater, I think its the third one ?
4.)
Make sure your Browser can actually print without errors ocurring.

Regardz
Colin J Davies
Sonork ID 100.9197:ColinI live in Bob's HungOut now
A good example of "Fully Managed" coding

Database

Sonu Kapoor4-Jan-02 1:41

Sonu Kapoor

4-Jan-02 1:41

Hi Guys,

i want create a app which is able to connect to a database. This database is placed on the server. How should i connect to that database: ADO or ODBC or something else. Once i used ODBC to connect to a database but after i tryed to open 4-5 tables at the same time the computer becomes was very slow to show the data...I want to avoid this in future, HOW ??? Which database should i use ? The database must be able to guarentee access for more than one user.

Thanx

Sonu