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Dismiss ToolTip Window?

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Is there a way to make the tool tip window go away once the Comb Box has been opened?





A reusable method like sketched out below could handle each Combo Box's DropDown and DropDownClosed event:

    private ComboBox ComboBox1, ComboBox2, ComboBox3;
    private const String CBO1_TOOLTIP = "Shape type\nClick to open list\nShortcut keys: A (next shape), Shift+A (previous shape)";
    private const String CBO2_TOOLTIP = "Text for ComboBox2";
    private const String CBO3_TOOLTIP = "Text for ComboBox3";

    private void InitializeComponent_Example()
        // ComboBox1:
        ComboBox1.DropDown += new EventHandler(DropDown_Dropping);
        ComboBox1.DropDownClosed += new EventHandler(DropDown_Close);
        ComboBox1.Tag = CBO1_TOOLTIP;
        toolTip1.SetToolTip(ComboBox1, CBO1_TOOLTIP);
        // ComboBox2:
        ComboBox2.DropDown += new EventHandler(DropDown_Dropping);
        ComboBox2.DropDownClosed += new EventHandler(DropDown_Close);
        ComboBox2.Tag = CBO2_TOOLTIP;
        toolTip1.SetToolTip(ComboBox2, CBO2_TOOLTIP);
        // ComboBox3:
        ComboBox3.DropDown += new EventHandler(DropDown_Dropping);
        ComboBox3.DropDownClosed += new EventHandler(DropDown_Close);
        ComboBox3.Tag = CBO3_TOOLTIP;
        toolTip1.SetToolTip(ComboBox3, CBO3_TOOLTIP);

    private void DropDown_Close(object sender, EventArgs e)
        var ctrl = sender as ComboBox;
        if (ctrl != null)
            toolTip1.SetToolTip(ctrl, String.Format("{0}", ctrl.Tag));

    private void DropDown_Dropping(object sender, EventArgs e)
        var ctrl = sender as ComboBox;
        if (ctrl != null)
            toolTip1.SetToolTip(ctrl, null);

If this is worth doing, my hope is that providing the code is helpful.


I don't know if this is still a .NET project or what language it is currently in.



Avoid Sears Home Improvement (click to read why)

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You could just move your mouse off the button. The tooltip goes away almost immediately.

No, Paint.NET is not spyware...but, installing it is an IQ test. ~BoltBait

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