Mouse over tooltip

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  • Nikolay Petrov
    #1

    Mouse over tooltip

    I have a ListBox, which is binded to a DataTable.
    I would like to display a tooltip when the mouse cursor hovers over the
    items in the ListBox.
    I don't know how to find the index if ListBox item, on which mouse
    cursor is over and how to display the tooltip.
    Any suggestions?

    TIA

    Tags: None
    • Dennis
      #2
      RE: Mouse over tooltip

      In the ListBox's "MouseMove" event, you can track the mouse location and set
      form level variables to it's X,Y location. Then in the MouseHover Event, you
      can get the ListBox Index that the mouse is over from the IndexFromPoint
      method and the X,Y form level variables. You can then assign ToolTip.Text
      equal to whatever you want depending on the index that the mouse is hovering
      over. Unfortunately, I haven't found a way to get the tooltip to redisplay
      unless the mouse is moved out of the control then back over the control.

      --
      Dennis in Houston


      "Nikolay Petrov" wrote:
      [color=blue]
      > I have a ListBox, which is binded to a DataTable.
      > I would like to display a tooltip when the mouse cursor hovers over the
      > items in the ListBox.
      > I don't know how to find the index if ListBox item, on which mouse
      > cursor is over and how to display the tooltip.
      > Any suggestions?
      >
      > TIA
      >
      >[/color]

        Comment

        • Dennis
          #3
          RE: Mouse over tooltip

          In the ListBox's "MouseMove" event, you can track the mouse location and set
          form level variables to it's X,Y location. Then in the MouseHover Event, you
          can get the ListBox Index that the mouse is over from the IndexFromPoint
          method and the X,Y form level variables. You can then assign ToolTip.Text
          equal to whatever you want depending on the index that the mouse is hovering
          over. Unfortunately, I haven't found a way to get the tooltip to redisplay
          unless the mouse is moved out of the control then back over the control.

          --
          Dennis in Houston


          "Nikolay Petrov" wrote:
          [color=blue]
          > I have a ListBox, which is binded to a DataTable.
          > I would like to display a tooltip when the mouse cursor hovers over the
          > items in the ListBox.
          > I don't know how to find the index if ListBox item, on which mouse
          > cursor is over and how to display the tooltip.
          > Any suggestions?
          >
          > TIA
          >
          >[/color]

            Comment

            • Ken Tucker [MVP]
              #4
              Re: Mouse over tooltip

              Hi,

              When I use this code the tooltip is always displayed when the mouse
              is over the listbox.

              Private Sub ListBox2_MouseM ove(ByVal sender As Object, ByVal e As
              System.Windows. Forms.MouseEven tArgs) Handles ListBox2.MouseM ove
              Dim i As Integer = ListBox2.IndexF romPoint(e.X, e.Y)

              If i >= 0 Then ToolTip1.SetToo lTip(ListBox2,
              ListBox2.Items. Item(i).ToStrin g)

              End Sub

              Ken
              ---------------------------
              "Dennis" <Dennis@discuss ions.microsoft. com> wrote in message
              news:E164BA8B-E985-45CE-B362-F44AD175811C@mi crosoft.com...[color=blue]
              > In the ListBox's "MouseMove" event, you can track the mouse location and
              > set
              > form level variables to it's X,Y location. Then in the MouseHover Event,
              > you
              > can get the ListBox Index that the mouse is over from the IndexFromPoint
              > method and the X,Y form level variables. You can then assign ToolTip.Text
              > equal to whatever you want depending on the index that the mouse is
              > hovering
              > over. Unfortunately, I haven't found a way to get the tooltip to
              > redisplay
              > unless the mouse is moved out of the control then back over the control.
              >
              > --
              > Dennis in Houston
              >
              >
              > "Nikolay Petrov" wrote:
              >[color=green]
              >> I have a ListBox, which is binded to a DataTable.
              >> I would like to display a tooltip when the mouse cursor hovers over the
              >> items in the ListBox.
              >> I don't know how to find the index if ListBox item, on which mouse
              >> cursor is over and how to display the tooltip.
              >> Any suggestions?
              >>
              >> TIA
              >>
              >>[/color][/color]


                Comment

                • Ken Tucker [MVP]
                  #5
                  Re: Mouse over tooltip

                  Hi,

                  When I use this code the tooltip is always displayed when the mouse
                  is over the listbox.

                  Private Sub ListBox2_MouseM ove(ByVal sender As Object, ByVal e As
                  System.Windows. Forms.MouseEven tArgs) Handles ListBox2.MouseM ove
                  Dim i As Integer = ListBox2.IndexF romPoint(e.X, e.Y)

                  If i >= 0 Then ToolTip1.SetToo lTip(ListBox2,
                  ListBox2.Items. Item(i).ToStrin g)

                  End Sub

                  Ken
                  ---------------------------
                  "Dennis" <Dennis@discuss ions.microsoft. com> wrote in message
                  news:E164BA8B-E985-45CE-B362-F44AD175811C@mi crosoft.com...[color=blue]
                  > In the ListBox's "MouseMove" event, you can track the mouse location and
                  > set
                  > form level variables to it's X,Y location. Then in the MouseHover Event,
                  > you
                  > can get the ListBox Index that the mouse is over from the IndexFromPoint
                  > method and the X,Y form level variables. You can then assign ToolTip.Text
                  > equal to whatever you want depending on the index that the mouse is
                  > hovering
                  > over. Unfortunately, I haven't found a way to get the tooltip to
                  > redisplay
                  > unless the mouse is moved out of the control then back over the control.
                  >
                  > --
                  > Dennis in Houston
                  >
                  >
                  > "Nikolay Petrov" wrote:
                  >[color=green]
                  >> I have a ListBox, which is binded to a DataTable.
                  >> I would like to display a tooltip when the mouse cursor hovers over the
                  >> items in the ListBox.
                  >> I don't know how to find the index if ListBox item, on which mouse
                  >> cursor is over and how to display the tooltip.
                  >> Any suggestions?
                  >>
                  >> TIA
                  >>
                  >>[/color][/color]


                    Comment

                    • Nikolay Petrov
                      #6
                      Re: Mouse over tooltip

                      Thanks Ken

                        Comment

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