Change CListCtrl Item's height without Owner Draw

Question

4.00/5 (1 vote)

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Hi all,

I want to put icons in CListCtrl's item with space around the icons. To do it I need set CListCtrl's rows' height greater than icons' height, but I can not find any function like that in CListCtrl.
Using MeasureItem with owner-draw seem to be a overkill since i dont want to draw items by myself.

How can i do it without involving owner-draw?

Thanks in Advance.
Quy

Posted 23-Jun-11 16:52pm

quyps

Updated 23-Jun-11 19:02pm

Ramalinga Koushik

v3

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5 solutions

Solution 4

The easiest way to do that that I've used several times is to change the imagelist height.

You have to assign an invisible image to it and make it the height you need.

All done.

Hope this helps!

changes from here: I've not seen that you wanted to have the height bigger than the images inside... Apart of cheating making images bigger and transparent my solution won't help...

Posted 26-Jun-11 5:30am

Joan M

Updated 26-Jun-11 10:40am

v2

Comments

quyps 26-Jun-11 21:21pm

You suggestion is not exactly the solution, but it do give a hint. Items' height can be changed by size of imagelist which contains a fake image. Actual images should be drawn in postpaint draw stage of the control. I'm making a test. Very thanks.

Joan M 27-Jun-11 3:36am

Glad to be helpful...

Solution 5

A variant of Joan Murt's solution is to pad your icons with a thick border around them, the same color as the list view background.

Posted 26-Jun-11 20:12pm

YDaoust

Comments

quyps 27-Jun-11 2:48am

yes, you're right. Your solution work for what i need according to the question. However, my listctrl's item have different bg colors, and they are also not rectangular shape. If i padding space around icon i need to create icons for different backgrounds.

YDaoust 27-Jun-11 3:56am

Transparent border ?

Solution 1

Quy, I have no experience with this feature, but it seems that CListCtrl::SetWorkAreas might help you.

Posted 24-Jun-11 22:57pm

YDaoust

Comments

quyps 25-Jun-11 10:25am

thanks, i made a test. SetWorkAreas just change the list's area in which all icons are displayed, and it is applied only for: icon layout and small icon layout.

Solution 2

What about SetItemPosition then ?

Posted 25-Jun-11 23:45pm

YDaoust

Comments

quyps 26-Jun-11 21:12pm

Thanks, I did take a look. It's said in document that "The control must be in icon or small icon view.". My listctrl is set in detail view. I didnt try but i think this function is used to arrange item of CListCtrl in icon and small icon mode.

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quyps · Accepted Answer · 2011-06-26T20:47:00

Solution 6

Thank all for help,

I have found a solution based on JoanMurt and YDaoust's suggestion.

1-Make a dump imagelist (without any real image) with desired size. It acts as placeholders in each list item.
2-Keep reference of really image list in listctrl object.
3-In Postpaint stage, draw images on placeholder's areas.

Quy

Posted 26-Jun-11 20:47pm

quyps

Updated 27-Jun-11 1:18am

v2

Comments

YDaoust 27-Jun-11 3:57am

Well done