Highlight over the static in MFC

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I have a rectangle on dialog box where I have some text. It is CBCGPStatic.
I have a method OnMouseMove(UINT nFlags, CPoint point) which I want to use to highlight the area of this static.

Is any way to do it?

What I have tried:

C++

<pre lang="c++">

void CStartPage::OnMouseMove(UINT nFlags, CPoint point)
{   .....
 if()
{
<pre><pre>pDC->FillSolidRect(rect, clrTabSelected);

}

I create my own class where I derrived CBCGPStatic and write method code BOOL StaticStartpage::OnEraseBkgnd(CDC * pDC) { ASSERT_VALID(pDC); CRect rectClient; GetClientRect(rectClient); //pDC->FillRect(rectClient, clrTabSelected); CBrush brush(clrTabSelected); CBrush *pbrush = pDC->SelectObject(&brush); if (m_bHighlighted) { //pDC->FillSolidRect(rectClient, clrTabSelected); pDC->FillRect(rectClient, &brush); } return TRUE; } code , but it didn't help..

//UpdateWindow();
CBCGPDialog::OnMouseMove(nFlags, point);
}

Posted 17-Jan-18 22:54pm

Member 13495762

Updated 17-Jan-18 23:52pm

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Jochen Arndt · Answer 1 · 2018-01-17T23:31:00

I have not used the BCGSuite for MFC so far. So this might not help.

But what you want to achieve is called hovering and is usually handled by the control and not by the dialog. So you have to derive a class from CBCGPStatic and implement it there.

Call the TrackMouseEvent function (Windows)[^] to get notification messages and handle them. For highlighting it should be sufficient to change the text and optionally the background colour according to the hover state and invalidate to force a redraw.

There is a (rather old) article here at CodeProject that explains it: Adding mouse functionality to any control[^] that explains how to do it.