Question

Hide a column in a CListCtrl

Asked by: yoavo

Hi,
I have a CListCtrl which I want to hide columns in it.
I set the width of the column to zero, but this is not good enough because can be easially break by dragging the splitter.

Does anyone have any idea of how to it right ??
An example would be graet...

thanks,
Yoav.

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Asked On
2002-07-25 at 04:12:13ID20327758
Tags

clistctrl

,

column

,

hide

Topic

Windows MFC Programming

Participating Experts
5
Points
50
Comments
13

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Answers

 

by: AndyAinscowPosted on 2002-07-25 at 04:47:13ID: 7176966

What about deleting the column from the list control when not required?

 

by: yoavoPosted on 2002-07-25 at 04:56:40ID: 7176989

no.
I need to hide or show it on demand

 

by: migelPosted on 2002-07-25 at 05:17:30ID: 7177032

Hi!
may be set column width  equal to 0 will help?

 

by: yoavoPosted on 2002-07-25 at 05:23:10ID: 7177044

Thats what I did !!!
read my question !!!

 

by: migelPosted on 2002-07-25 at 05:28:08ID: 7177063

hmm sorry
but you can catch WM_MOTIFY message from the header control
and restrict this situation:
HDN_BEGINTRACK
return TRUE to prevent divider tracking.
to do this you have to derive your own class from CListCtrl  

 

by: migelPosted on 2002-07-25 at 05:29:15ID: 7177065

hmm sorry
but you can catch WM_MOTIFY message from the header control
and restrict this situation:
HDN_BEGINTRACK
return TRUE to prevent divider tracking.
to do this you have to derive your own class from CListCtrl  

 

by: yoavoPosted on 2002-07-25 at 05:45:26ID: 7177101

I tried to do so, but I have the following problem:
Now I have 2 columns on the same devider (one with some width and the other with width = 0) and if a user trys to resize the column, he can to so only if the cursor position is from the left side of the devider !!!
if the cursor is from the right then the resize operation is blocked !

 

by: migelPosted on 2002-07-25 at 06:22:01ID: 7177222

ok
you can move column to the last position so none can resize  rightmost column :-)
see  HDM_SETORDERARRAY

 

by: zzynxPosted on 2002-07-25 at 23:13:38ID: 7179405

Hi,
I have an app where the user can determine which columns he wants to see (and in which order).
When the dialog in which he made his choice closes,
I delete all the existing columns [DeleteColumn()] and add again the ones he chose to see.
It works perfect.

Success.

 

by: zzynxPosted on 2002-07-25 at 23:15:27ID: 7179408

Of course you also have to repopulate your listcontrol afterwards.

 

by: AndyAinscowPosted on 2002-07-25 at 23:19:08ID: 7179417

Further to my first post.  Recreate the column again if required.

 

by: poohbear_68Posted on 2002-07-27 at 05:45:03ID: 7181912

I suggest you move it to the far left, set the width to zero, and then use migel's suggestion to prevent divider tracking.  Nobody will ever want to resize anything on the left hand size anyway....

 

by: exchnerdPosted on 2008-05-13 at 13:45:41ID: 21559127

Alternatively, you can set pResult = 1 and return if you are not deriving your class from CListCtrl

20120131-EE-VQP-002

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