I want to show a bit of data on a form as a tool tip text,
to avoid cluttering up the form. I am using SetToolTip
for a text box.
tipNotesMoved.SetToolTip(ShowPatient.txtNotesTrack ing,
strNotesMoved)
I want the data to change from patient to patient, and
according to MSDN, SetToolTip will allow this. To quote
MSDN:
Calling the SetToolTip method more than once
for a given control does not specify multiple ToolTip text
to display for a control but instead changes the current
ToolTip text for the control.
But what actually happens is that it shows correctly for
the first patient but then adds another tooltip for the
second. The data for the first patient pops up followed
by the data for the second patient.
Does anyone know how to clear a tool tip? I have used the
RemoveAll method but it does nothing. You still get
multiple tips appearing.
Thanks,
Helen 13 1623
Helen,
"Helen Trim" <he**************@porthosp.nhs.uk> schrieb: I want to show a bit of data on a form as a tool tip text, to avoid cluttering up the form. I am using SetToolTip for a text box.
tipNotesMoved.SetToolTip(ShowPatient.txtNotesTrack ing, strNotesMoved)
I want the data to change from patient to patient, and according to MSDN, SetToolTip will allow this. To quote MSDN: Calling the SetToolTip method more than once for a given control does not specify multiple ToolTip text to display for a control but instead changes the current ToolTip text for the control.
But what actually happens is that it shows correctly for the first patient but then adds another tooltip for the second. The data for the first patient pops up followed by the data for the second patient.
I am not able to reproduce this behavior (.NET 1.1 SP1, Windows XP
Professional SP2).
Does anyone know how to clear a tool tip? I have used the RemoveAll method but it does nothing. You still get multiple tips appearing.
You can remove a control's tooltip by setting it to an empty string:
\\\
Me.ToolTip1.SetToolTip(Me.TextBox1, "")
///
--
M S Herfried K. Wagner
M V P <URL:http://dotnet.mvps.org/>
V B <URL:http://dotnet.mvps.org/dotnet/faqs/>
Thanks, but I had already tried that. Whatever I do, it
still adds more tooltips and won't clear them.
Oh well, back to the drawing board.
Thanks,
Helen
Helen,
"Helen Trim" <an*******@discussions.microsoft.com> schrieb: Thanks, but I had already tried that. Whatever I do, it still adds more tooltips and won't clear them.
What Windows/.NET version are you using?
--
M S Herfried K. Wagner
M V P <URL:http://dotnet.mvps.org/>
V B <URL:http://dotnet.mvps.org/dotnet/faqs/> What Windows/.NET version are you using?
Windows 2000 & Windows 2003 ( both give same effect )
and .NET 1.1
Any ideas?
Helen What Windows/.NET version are you using?
Windows 2000 & Windows 2003 ( both give same effect )
and .NET 1.1
Any ideas?
Helen What Windows/.NET version are you using?
Windows 2000 & Windows 2003 ( both give same effect )
and .NET 1.1
Any ideas?
Helen
Helen,
"Helen Trim" <an*******@discussions.microsoft.com> schrieb: What Windows/.NET version are you using?
Windows 2000 & Windows 2003 ( both give same effect ) and .NET 1.1
Any ideas?
I feel sorry, I don't have any other ideas.
What you can do is trying to build a short but complete program that can be
used to reproduce the problem, upload it somewhere in a ZIP file and post a
link to it here. This would allow others to check if they can repro the
problem. I am curious if you are able reproduce the problem in a new
project with only a button control, a tooltip component and the code that is
necessary to change the tooltip's text.
--
M S Herfried K. Wagner
M V P <URL:http://dotnet.mvps.org/>
V B <URL:http://dotnet.mvps.org/dotnet/faqs/>
Helen,
I find this a good idea from Herfried, however the best thing is to show
that sample project he tells about.
Than it is probably not even needed to make a zip file. When there is not so
much code than is only pasting in the added code (first in a notebook and
than back in the message) probably enough.
Just my thoughts,
Cor
Hello Cor and Herfried
Thanks for your help. You can recreate the problem by
starting a new windows application and adding a textbox,
label and button. Add this code to the button's click
event. Run it and type different things into the text box
and click the button. The label shows the tooltips
building up ona after the other.
Private Sub Button1_Click(ByVal sender As System.Object,
ByVal e As System.EventArgs) Handles Button1.Click
Dim tipButton As New System.Windows.Forms.ToolTip
tipButton.RemoveAll()
tipButton.SetToolTip(Me.Label1, "")
tipButton.SetToolTip(Me.Label1, TextBox1.Text)
End Sub
Can you think of a way to solve this?
Thanks,
Helen
Hi Helen
The problem is that each time you enter the click event you create a new
tooltip. You then remove all from this new tooltip, which has no effect on
the tooltip you created the last time you entered the event. I would either
make it static and only create a new one if it is Nothing, or move the
declaration to module level.
HTH
Charles
"Helen Trim" <an*******@discussions.microsoft.com> wrote in message
news:07****************************@phx.gbl... Hello Cor and Herfried
Thanks for your help. You can recreate the problem by starting a new windows application and adding a textbox, label and button. Add this code to the button's click event. Run it and type different things into the text box and click the button. The label shows the tooltips building up ona after the other.
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click Dim tipButton As New System.Windows.Forms.ToolTip
tipButton.RemoveAll() tipButton.SetToolTip(Me.Label1, "") tipButton.SetToolTip(Me.Label1, TextBox1.Text)
End Sub
Can you think of a way to solve this?
Thanks, Helen
So simple! Thanks, it works now.
Helen -----Original Message----- Hi Helen
The problem is that each time you enter the click event
you create a newtooltip. You then remove all from this new tooltip, which
has no effect onthe tooltip you created the last time you entered the
event. I would eithermake it static and only create a new one if it is
Nothing, or move thedeclaration to module level.
HTH
Charles
"Helen Trim" <an*******@discussions.microsoft.com> wrote
in messagenews:07****************************@phx.gbl... Hello Cor and Herfried
Thanks for your help. You can recreate the problem by starting a new windows application and adding a textbox, label and button. Add this code to the button's click event. Run it and type different things into the text
box and click the button. The label shows the tooltips building up ona after the other.
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click Dim tipButton As New System.Windows.Forms.ToolTip
tipButton.RemoveAll() tipButton.SetToolTip(Me.Label1, "") tipButton.SetToolTip(Me.Label1, TextBox1.Text)
End Sub
Can you think of a way to solve this?
Thanks, Helen
.
Charles,
Your solution is right, however your explanation in my opinion not complete
(I tried it).
I have the idea that with *settooltip* every time there is an *add* of a
tooltipobject too a collection of tooltips and not *set* a reference to a
tooltip.
When showed it shows a video of all tooltips.
However I nowhere saw a *removetooltip*
Where the instruction should be *addTooltip* when what I saw is right.
Interesting.
:-)
Cor
Helen,
"Helen Trim" <an*******@discussions.microsoft.com> schrieb: Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click Dim tipButton As New System.Windows.Forms.ToolTip
tipButton.RemoveAll() tipButton.SetToolTip(Me.Label1, "") tipButton.SetToolTip(Me.Label1, TextBox1.Text)
End Sub
Can you think of a way to solve this?
Instead of creating a new instance of 'ToolTip' every time the button is
clicked, use always the /same/ instance. If you are using VS.NET, simply
place a tooltip component on your form at design time and use this component
throughout your code. Notice that it's not necessary to remove the tooltip
before setting it to a new text if you are using the same tooltip object.
The code
\\\
ToolTip1.SetToolTip(Me.Label1, TextBox1.Text)
///
should be sufficient.
--
M S Herfried K. Wagner
M V P <URL:http://dotnet.mvps.org/>
V B <URL:http://dotnet.mvps.org/dotnet/faqs/> This thread has been closed and replies have been disabled. Please start a new discussion. Similar topics
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