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Checking menu item in context menu

Posted on 1998-08-13
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Last Modified: 2013-11-20
Hi guys,

in my program I create a context menu containing two sub menus. When I select a menu item from one of the sub menus I want it to be checked. So I used the OnUpdate... function to check the item with  pCmdUI->SetCheck(1);  When debugging the program the function is called, the ID is correct and everything seems to be fine. But when I want to select the item again, it isn´t checked. Can somebody help me ??

Thanks in advance

Nick
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Question by:nl1545
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Expert Comment

by:t004024
ID: 1320724
When handling the WM_CONTEXTMENU how are U displaying the context menu? If U are loading/creating the menu everytime, then U have to do the explicitly setting of check depending on whether U had it previously selected or not.

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Answers2000 earned 50 total points
ID: 1320725
I suspect you are reloading the menu from the resource file each time ?

EITHER
Save the state in a variable (e.g. add a boolean to the class), and then whenever you setup the menu, set the initial checked/unchecked state depending on the value in this variable.

OR
Load the menu once (e.g. in your constructor) and simply redisplay it each time.

Personally I prefer the first solution, as you can write one function ("PrepareMenu") and keep all the menu state logic in once place.  This is useful if you later add more check options, default options or radio options to the menu.

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Author Comment

by:nl1545
ID: 1320726
Thank you,

I thought the COMMAND_UPDATE_UI handler would be called BEFORE the menu is displayed for the first time (as it is with normal items)
But your hint does solve my problem, too

Nick
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