Solved

Click Event For ToolStrip Drop Down Button

Posted on 2010-08-28
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Last Modified: 2012-06-21
I have a form with a StatusStrip that includes a drop down that is dynamically populated at run time.   My problem is that I can't access the click event for the dynamically populated items at run time.  If I manually populate the items at design time VB creates a click event for each item in the drop list.  How can I create a routing that catches clicks on any drop item so that I can do processing at run time?  I also need to know which item was cliicked - i.e. the text that is displayed in the drop menu.


toolstripdrop.gif
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Question by:DRRobinson
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Expert Comment

by:John (Yiannis) Toutountzoglou
ID: 33549885
"You need to handle a click event using AddHandler.  There are two ways
to do this.

You can add a handler for the Click event of each item you add to the
ToolStrip, or you can add a handler for the ToolStrip's ItemClicked
event.

In either case you can use a single handler routine, and use the
sender and event arguments to determine what was clicked."
http://www.eggheadcafe.com/software/aspnet/31732850/you-need-to-handle-a-click-event-using-addhandler.aspx
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Author Comment

by:DRRobinson
ID: 33550111
OK.. I got the general idea of it, but not sure of the syntax, I want a single handler to handle all click events on the drop down items, I'm not sure of the addhandler syntax to capture clicks on drop down items, and not the parent statusstrip items:

[code]
        SQLConn.Open()
        SQLcmd = New SqlCommand("select * from tblpermits where [enddate] >= '" & DateSerial(TodaysDate.Year, (TodaysDate.Month), TodaysDate.Day) & "' order by permitno", SQLConn)
        SQLrdr = SQLcmd.ExecuteReader
        While SQLrdr.Read
            Me.StatusBarDrop.DropDownItems.Add(SQLrdr("permitno") & " -  " & SQLrdr("name"))
            If TotalActivePermits > 15 Then Me.StatusBarDrop.AutoSize = False
        End While
        AddHandler ToolStripMenuItem_Click, AddressOf StatusDropDownClick
'This doesn't work
        SQLrdr.Close()
        SQLcmd.Dispose()
[/code]

When I manually create a drop down item in design mode, VB adds the click event based on the name of the item added:

[code]
    Private Sub ToolItemToolStripMenuItem_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles ToolItemToolStripMenuItem.Click

    End Sub
[/code]
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Accepted Solution

by:
DRRobinson earned 0 total points
ID: 33550763
FIgured it out... just need to use the existing event:

StatusBarDrop_DropDownItemClicked
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