c++ - Load a png resource into a CBitMap

Question

How do I load a png resource into a CBitMap? When I try this it doesn't seem to work:

CImage image;
image.LoadFromResource(AfxGetInstanceHandle(), IDB_PNG1);
bitmap.Attach(image.Detach());

It gives me an error resource type not found. Is there any other way to load a PNG resource?

Answer 1

If you are using VS2008 or newer (MFC Feature Pack) you can use CPngImage which derives from CBitmap and is contained in <afxtoolbarimages.h>. CPngImage is an internal class:

The following classes are used internally in MFC. For completeness, this section describes these internal classes, but they are not intended to be used directly in your code.

If you want to use CPngImage you need to use the resource type "PNG":

#define AFX_PNG_RESOURCE_TYPE  _T("PNG")

Example usage

CPngImage image;
image.Load(IDB_PNG1, nullptr);
bitmap.Attach(image.Detach());