How do I show Tool tip for Multiline Edit box?

I have Multiline edit box. i need to show tool tip for the edit box. How can i set the tool tip text?
LearningCppAsked:
Who is Participating?
 
LordOfPortsCommented:
...and regarding the multiline ability for that you will have to extend and customize the tool tip class, here is one article regarding this enhancement:

http://www.codeproject.com/KB/miscctrl/tooltipex.aspx
0
 
tchamtiehCommented:
0
 
LordOfPortsCommented:
Here is one possible solution:

1. Add a CToolTipCtrl http://msdn.microsoft.com/en-us/library/6b4cb3a5(VS.80).aspx member variable to you CDialog derived class:

CToolTipCtrl m_myToolTip;

2. Add the PreTranslateMessage method to your class:

afx_msg BOOL PreTranslateMessage(MSG * pMsg); // in the .h file

BOOL CMFCAppDlg::PreTranslateMessage(MSG * pMsg) // in the .cpp file
{
      m_myToolTip.RelayEvent(pMsg);

      return CDialog::PreTranslateMessage(pMsg);
}

3. Map you multi-line text box to a control variable and call it e.g. m_myMultiLineTextBox

4. Add the following code to the OnInit method of your class:

	if(m_myToolTip.Create(this)) {
		m_myToolTip.AddTool( &m_myMultiLineTextBox, _T("You are hovering over the text box!"));
		m_myToolTip.Activate(TRUE);
	}
	else {
		AfxMessageBox(_T("Unable to create the tool tip."));
	}

Open in new window

Output.png
0
Get expert help—faster!

Need expert help—fast? Use the Help Bell for personalized assistance getting answers to your important questions.

 
LearningCppAuthor Commented:
If multiline Edit box contains different strings on different line, then i want to display the contents of each line in tooltip.
Suppose Multiline edit box has:
Test1
Test2
Test3
Then i need to show all these data in tool tio and not the fixed string as you have shown.
0
 
LearningCppAuthor Commented:
I forgot to tell you that i have various controls on my UI. and i need to show tooltip for all the controls.
0
 
LordOfPortsCommented:
You can add the tooltip for each control, see the following line in the OnInitDialog method:

m_myToolTip.AddTool(&m_myControlVariable, _T("Tooltip for the control"));
You can call this method several times passing to it your control mapped variable and its tooltip text.
As far as a tooltip for individual lines within a CEdit control is concerned I am not aware of a technique to do so as individual lines are not objects and furthermore change if the CEdit control is resized so it seems it would be necessary to write an algorithm to calculate the position of the mouse within the CEdit control, determine the line and based upon that show a tooltip; this would be rather complex. Perhaps you could switch to a list control and implement the tooltips for its individual items.
0
 
LordOfPortsCommented:
Sorry, I might have misunderstood your question about dynamically setting the tooltip text, you can basically set the text value of the tooltip anytime like for example during an event such as on change then retrieve the value of your text box and set the tool tip to its text:

CString sToolTip;
m_TextBox.GetWindowTextW(sToolTip);
m_myToolTip.AddTool(&m_TextBox, sToolTip);
0
Question has a verified solution.

Are you are experiencing a similar issue? Get a personalized answer when you ask a related question.

Have a better answer? Share it in a comment.

All Courses

From novice to tech pro — start learning today.