Question

modless dialog box

Asked by: jhav1594

Hi all.
I have a modeless dialogbox which has a minimize, maximize, cancel button. It also display's the Icon on the top left hand side corner and the window can be resized by selcting the bottom right handside corner and dragging the box.

I was to retain the Cancel button and the ability to resize the dialog box by selecting the bottom right hand corner with the mouse and draging it.

i am using VC++ .NET and these properties can be set from the property table, but for some reason, i cannot obtain the exact configuration that i have mentioned above.

Any Ideas

Thanks...

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Asked On
2006-10-11 at 12:03:22ID22021056
Tags

modless

,

dialog

Topic

Windows MFC Programming

Participating Experts
3
Points
500
Comments
11

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Answers

 

by: waysidePosted on 2006-10-11 at 12:35:48ID: 17709977

Border=Resizing
MaximizeBox=False
MinimizeBox=False
Style=Popup
SystemMenu=True
TitleBar=True

I don't know of a way to show the X button and not have the icon, they both seem to be controlled by the SystemMenu property.

 

by: jhav1594Posted on 2006-10-11 at 12:41:32ID: 17710020



that was the same problem i am going though.
I have seen some modal dialogboxes which have the X button and not have the icon.
wonder if i need to write some code to override some method.

 

by: waysidePosted on 2006-10-11 at 13:21:49ID: 17710363

A check with Spy++ shows that the icon in the title bar is not a separate window, which means you can't hide it or anything.

The only thing I can think to do would be to owner-draw the title bar. then you can just display the title and the [X]. You will have to handle the mouse-click and figure out if it is on the [X] and take appropriate action yourself.

Or you could create a new icon with nothing in it; it will appear as if it isn't there, although if the user clicks there they will see the menu.

 

by: jhav1594Posted on 2006-10-11 at 13:26:53ID: 17710418

There has to be a manual way to change the properties insted of just checking things on and off in the property page.
Do you know if there is a way to view the property page in code format

 

by: waysidePosted on 2006-10-11 at 13:54:50ID: 17710657

Those things on the property page map directly to the resource in the .rc file. For example, my resource has this line in it:

STYLE DS_SETFONT | DS_FIXEDSYS | WS_POPUP | WS_VISIBLE |
    WS_CAPTION | WS_SYSMENU | WS_THICKFRAME

You can override the PreCreateWindow() function if you want to programatically mess around with the styles, see the MSDN for an example. I'm not sure this will get you anywhere though, because the display of the [X] button seems to be tied to the existence of the "Close" entry on the system menu - no menu means no Close entry, no close entry means no [X].

I think ownerdraw may be your best hope.

 

by: GavinThorntonPosted on 2006-10-12 at 03:50:43ID: 17714063


To change the minimize/maximize/etc button properties in your app, add the following in you OnInitDialog function:

// Dialog with minimize box and system menu.
ModifyStyle(0,WS_MINIMIZEBOX | WS_SYSMENU );     // Try WS_SIZEBOX,  WS_MAXIMIZEBOX, etc

// To add the items to your apps context menu (right click on apps taskbar icon) you need to do the following:
GetSystemMenu(FALSE)->InsertMenu(1,MF_BYPOSITION,SC_MINIMIZE, _T("Mi&nimize"));   // add the Minimize entry
GetSystemMenu(FALSE)->InsertMenu(0,MF_BYPOSITION,SC_RESTORE, _T("&Restore"));    // add a restore endtry
GetSystemMenu(FALSE)->InsertMenu(3,MF_BYPOSITION | MF_SEPARATOR);                     // insert a seperator line

Hope that helps.

 

by: jhav1594Posted on 2006-10-12 at 07:12:50ID: 17715463

Hi Gavin
when i do this

ModifyStyle(WS_MINIMIZEBOX| WS_MAXIMIZEBOX, 0) i dont see the minimize and maximize which is good,
but when i also include WS_SYSMENU i dont see anything,

what i want is the Icon on the left handside to dissapear but retain the X on the right hand side

how should i do this,

 

by: jhav1594Posted on 2006-10-12 at 07:18:13ID: 17715508

i.e i dont want to the context menu but want to retain the Cancel 'X' button on the top right handside of the Dialogbox

 

by: mahesh1402Posted on 2006-10-12 at 07:24:02ID: 17715563

>>what i want is the Icon on the left handside to dissapear but retain the X on the right hand side

I think you need you dialogbox as 'tool window' for that  you need to set Extended style as WS_EX_TOOLWINDOW

You may use 'ModifyStyleEx' to set extended style...

ModifyStyle(WS_MINIMIZEBOX| WS_MAXIMIZEBOX, 0); //remove max min buttons
ModifyStyleEx(0,WS_EX_TOOLWINDOW); // add WS_EX_TOOLWINDOW

ie. remove max, min buttons, set WS_SYSMENU as is and add WS_EX_TOOLWINDOW

-MAHESH

 

by: mahesh1402Posted on 2006-10-12 at 07:29:49ID: 17715623

with above WS_EX_TOOLWINDOW style you will get your dialog with just [X] button but no icon n no system menu....

-MAHESH

 

by: jhav1594Posted on 2006-10-12 at 07:29:54ID: 17715624

Thanks a lot mahesh. it worked great....
i am going to split the points between you and Gavin since helped me with the first two things.
Thanks..

20120131-EE-VQP-002

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