C / C++ / MFC

FlashWindow(<br />
    HWND hWnd,<br />
#if(WINVER >= 0x0500)<br />
    DWORD dwFlags);<br />
#else<br />
    BOOL bInvert);<br />
#endif<br />
<br />
#if(WINVER >= 0x0500)<br />
#define FLASHW_STOP         0<br />
#define FLASHW_CAPTION      0x00000001<br />
#define FLASHW_TRAY         0x00000002<br />
#define FLASHW_ALL          (FLASHW_CAPTION | FLASHW_TRAY)<br />
#define FLASHW_TIMER        0x00000004<br />
#define FLASHW_TIMERNOFG    0x0000000C<br />
#endif /* WINVER >= 0x0500 */

/* Taken from the MSDN website*/
typedef struct {
    UINT  cbSize;
    HWND  hwnd;
    DWORD dwFlags;
    UINT  uCount;
    DWORD dwTimeout;
} FLASHEXINFO, *PFLASHEXINFO;
	
#define FLASHW_STOP         0
#define FLASHW_CAPTION      0x00000001
#define FLASHW_TRAY         0x00000002
#define FLASHW_ALL          (FLASHW_CAPTION | FLASHW_TRAY)
#define FLASHW_TIMER        0x00000004
#define FLASHW_TIMERNOFG    0x0000000C
	
typedef BOOL (WINAPI *PSFLEX)(PFLASHEXINFO);
	
	
static PSFLEX pFlashWindowEx = NULL; // Pointer to actual function
static BOOL initFlash = FALSE; // Loaded status
	
BOOL uiFlashWindowEx( HWND hWnd, UINT uCount /* Flash Count */, DWORD dwFlags /* check SDK */ )
{
	if ( ! initFlash )
	{ // Not loaded yet
		HMODULE hDLL = NULL;
		hDLL = LoadLibrary( TEXT( "user32.dll" ) );
		if( hDLL )
		{
			pFlashWindowEx  = ( PSFLEX ) GetProcAddress( hDLL, "FlashWindowEx" );
			initFlash = TRUE; // Loaded OK
		}
	}
	
	if ( pFlashWindowEx == NULL ) 
		return FALSE; // Not Supported
	
	FLASHEXINFO fwi;
	ZeroMemory( & fwi, sizeof( FLASHEXINFO ) );
	fwi.cbSize = sizeof( FLASHEXINFO );
	fwi.dwFlags = dwFlags;
	fwi.hwnd = hWnd;
	fwi.uCount = uCount;
	fwi.dwTimeout = 0L;
	return pFlashWindowEx ( & fwi );
}

char *reply;
DWORD dwBytesTransferred;
DWORD dwCommModemStatus;

// Specify a set of events to be monitored for the port.
SetCommMask (hCom, EV_RXCHAR | EV_CTS | EV_DSR | EV_RLSD | EV_RING);

while (hCom != INVALID_HANDLE_VALUE) 
{
// Wait for an event to occur for the port.
// WaitCommEvent (hCom, &dwCommModemStatus, 0);

// Re-specify the set of events to be monitored for the port.
SetCommMask (hCom, EV_RXCHAR | EV_CTS | EV_DSR | EV_RING);

//if (dwCommModemStatus & EV_RXCHAR) 
//{
// Loop for waiting for the data.
do 
{
// Read the data from the serial port.
res = ReadFile(hCom, reply, 81, &dwBytesTransferred, 0);//ReadFile (hCom, &Byte, 1, &dwBytesTransferred, 0);

// Display the data read.
if (dwBytesTransferred > 0)
printf (reply);

} while (dwBytesTransferred == 1);
//}
}

while (dwBytesTransferred > 0);

krmed wrote:

char* reply is only a pointer to a single character...

rajan4008 wrote:

And i added UI Command handler to the target ToolBar Button. In that handler i called CToolBar::SetButtonInfo() to change the button image into new one which i drawn.

rajan4008 wrote:

After this step i saw my target ToolButton image is blinking

Jesus Loves You and Me

ON_NOTIFY_REFLECT(TVN_SELCHANGED, OnNotifySelChange)

in .h file

afx_msg void OnNotifySelChange(NMHDR* pNm, LRESULT *pRes);

in .cpp file

void CYouparentClass::OnNotifySelChange(NMHDR* pNm , LRESULT *pRes)
{
   LPNMTREEVIEW pNMTreeView = reinterpret_cast<LPNMTREEVIEW>(pNMHDR);
   //this will be the event handler for selection changes of the treectrl
   //you can use SetButtonInfo here
}

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