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ToolStripMenuItem.visible always false

Posted on 2006-11-23
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Last Modified: 2008-07-09
Hello

I have a problem with the "visible" attribute of ToolStripMenuItem.

I have a form with a ToolStrip containing two ToolStripMenuItem buttons. I've been setting the visible attribute of these two buttons to false depending on the users permissions.
I'm now trying to re-size the ToolStrip according to how many of the buttons are visible. The problem occurs when I come to test the value of ToolStripMenuItem.visible.
It always seems to be false until the form has completeley finished drawing. So I can't count how many of the buttons are going to be visible.

How can I accurately test the visible attribute of a ToolStripMenuItem ?
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Question by:Rusty_Adams
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sumix earned 250 total points
ID: 18006116
It is true, visible property of ToolStripMenuItems is false until the form is loaded. You should handle Load event of the form and set there this property.

Note: ToolStripMenuItem can be part of a MenuStrip or a ContextMenuStrip control. If you use a ToolStrip containing ToolStripButtons you have ToolStrip.AutoSize property you can use, but again, visible property for ToolStripButtons should be set in Load event.
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by:Rusty_Adams
ID: 18006359
Thankyou

Using the load event of the form solved my problem.
Although I don't see how the ToolStrip.AutoSize is of any use. I still had to re-size the tool strip myself.
At what point is the AutoSize property supposed to take effect?

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Expert Comment

by:sumix
ID: 18006370
By default, ToolStrip has Dock property set to Top or Bottom. The resize can only take place if Dock is set to None, otherwise the size is linked with the size of the container.
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Author Comment

by:Rusty_Adams
ID: 18006438
That's strange. My toolstrip is not docked at all, and AutoSize is set to true. Yet it doesn't appear to perform any sort of auto re-size.
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Expert Comment

by:smegghead
ID: 21966266
It seems that the 'Available' property reflects whether the item has been set to visible or not.
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