Use GDI + to create buttons that support more picture formats

Derive a Cbuttonex class
Heavy OnCreate using GDI + map to button

int cbuttonex::oncreate (lpcreatestruct lpcreatestruct) { if (cbutton::oncreate (lpcreatestruct) = =-1) RET  Urn -1;  CRect RC;  GetClientRect (&RC);  CDC DC; using namespace  gdiplus;//setting Graphics graph (GetDC ()->M_HDC) that must be used before GDI + is applied;  Image Image (l "e:\\ picture related \ \ My works \\gdi+button.png"); Graph.  DrawImage (&image,0,0,rc.right-rc.left,rc.bottom-rc.top);  return 0; }

Handle MouseMove and MouseLeave for a better effect

voidCbuttonex::onmousemove (UINTnflags, CPoint point) {CRect rc;  GetClientRect (&RC); CDC DC;usingnamespacegdiplus;//setting Graphics graph (GetDC ()->M_HDC) that must be used before GDI + is applied;  Image Image (l "e:\\ picture related \ \ My works \\gdi+button2.png"); Graph.  DrawImage (&image,0,0,rc.right-rc.left,rc.bottom-rc.top);  TrackMouseEvent event; Event.cbsize =sizeof(event);  Event.dwflags = Tme_leave;  Event.dwhovertime = 0;  Event.hwndtrack = GetSafeHwnd ();  VERIFY (_trackmouseevent (&event));  Cbutton::onmousemove (nflags, point); }intCbuttonex::oncreate (lpcreatestruct lpcreatestruct) {if(Cbutton::oncreate (lpcreatestruct) = =-1)return-1;  CRect RC;  GetClientRect (&RC); CDC DC;usingnamespacegdiplus;//setting Graphics graph (GetDC ()->M_HDC) that must be used before GDI + is applied;  Image Image (l "e:\\ picture related \ \ My works \\gdi+button.png"); Graph. DrawImage (&image,0,0,rc.right-rc.left,rc.bottom-rc.top);return0; }LRESULTCbuttonex::onmouseleave (WPARAMWParam,LPARAMLParam) {CRect rc;  GetClientRect (&RC); CDC DC;using namespacegdiplus;//setting Graphics graph (GetDC ()->M_HDC) that must be used before GDI + is applied;  Image Image (l "e:\\ picture related \ \ My works \\gdi+button.png"); Graph. DrawImage (&image,0,0,rc.right-rc.left,rc.bottom-rc.top);return1; }

Where the MouseLeave function is to add a message response manually

afx_msg LRESULT OnMouseLeave (WPARAM WPARAM, LPARAM LPARAM);

On_message (Wm_mouseleave, OnMouseLeave)

If the button that is added directly with VC is set to the owner drawing style

Dynamic Create to add Bs_ownerdraw type

Overloaded DrawItem functions

  Void cbuttonex::D rawitem (lpdrawitemstruct lpdrawitemstruct)   { // TODO:  Add your code to draw the specified item  CRect rc;  getclientrect (&RC);  CDC dc;  using namespace gdiplus;//the settings required before applying  gdi+  graphics graph (GetDC ()->m_hDC);    USES_CONVERSION;  //  very complex definition    header file added #include  "atlbase.h"     WCHAR_T* TEMPBOARDPATH=A2W (M_resoucepath);//cstring  turn  wchar_t  if (M_ResoucePath.IsEmpty ())  {  image image (l "e:\\ picture related \ \ My works \\gdi+button  Crystal 1.png");   graph. DrawImage (&image,0,0,rc.right-rc.left,rc.bottom-rc.top);    else  {     image image (tempboardpath);       graph. DrawImage (&image,0,0,rc.right-rc.left,rc.bottom-rc.top);  }}

Add a function to receive the externally transmitted resource void Cbuttonex::setresoucepath (CString path) {M_resoucepath=path;}

In the Dlg class initialization section

With M_btnex.  Setresoucepath ("e:\\ picture related \ \ My works \\Recycle_bin_blue2.ico"); M_btnex2. Setresoucepath ("e:\\ picture related \ \ My works \\Recycle_bin_full.ico"); M_btnex. Create ("", bs_ownerdraw| ws_visible |  Ws_child, CRect (0,0,50,50),this, 11111); M_btnex2. Create ("", bs_ownerdraw| ws_visible | Ws_child, CRect (0,50,50,100),this, 11112);

OK, quick, create a try.

The upper-left corner is created dynamically in the initialization

In the middle is the control added with VC

Effect Figure 1

After hovering the mouse, you switch to a picture display.