taskbar.c

CVI教程,用于信号采集系统的多任务开发软件.学习简单,功能实用.

#include <windows.h>
#include <shellapi.h>

#include <utility.h>
#include <userint.h>
#include <ansi_c.h>

#include "taskbar.h"
static int panelHandle;
static NOTIFYICONDATA icon_data;
static HWND hwnd;

void CVICALLBACK TaskbarStatusAreaCallback (WinMsgWParam wParam, WinMsgLParam lParam, void *callbackData);
int main (int argc, char *argv[])
{
    int registeredWinMsgId;
    int registeredMsgNumber;
    HANDLE hIcon;
    
    // Remove Taskbar Button
    SetSystemAttribute(ATTR_TASKBAR_BUTTON_VISIBLE, 0);

    if (InitCVIRTE (0, argv, 0) == 0)    /* Initialize CVI libraries */
        return -1;    /* out of memory */
        
    SetSleepPolicy(VAL_SLEEP_MORE);        
    
    // Load CVI panel   
    if ((panelHandle = LoadPanel (0, "taskbar.uir", PANEL)) < 0)
        return -1;
    
    // Load icon image  
    if (!(hIcon = LoadImage( NULL, "cvi.ico", IMAGE_ICON, 0, 0, LR_DEFAULTSIZE | LR_LOADFROMFILE )))
    {
        MessagePopup("Error","Could not load image from icon file.");
    }
    
    // Register CVI Callback
    if ((registeredMsgNumber = RegisterWinMsgCallback (&TaskbarStatusAreaCallback,
        "CVITaskbarStatusAreaExample", 0, 0, &registeredWinMsgId, 1))<0)
    {
        MessagePopup("Error","Could not register callback.");
    }
        
    // Setup icon information    
    icon_data.cbSize = sizeof(icon_data);
    icon_data.hIcon = hIcon;
    icon_data.uID = 0;
    icon_data.uFlags = NIF_ICON | NIF_TIP | NIF_MESSAGE;
    icon_data.hWnd = (HWND)GetCVIWindowHandle ();
    icon_data.uCallbackMessage = registeredMsgNumber;
    strncpy(icon_data.szTip, "This is a Status Tip for a CVI EXE", 64);
        
    // Add icon to Taskbar Status Area
    Shell_NotifyIcon(NIM_ADD, &icon_data);
    
    // Run UIR
    DisplayPanel (panelHandle);
    RunUserInterface ();
    
    // Remove icon to Taskbar Status Area
    Shell_NotifyIcon(NIM_DELETE, &icon_data);
    
    UnRegisterWinMsgCallback (registeredWinMsgId);
    return 0;
}
void CVICALLBACK TaskbarStatusAreaCallback (WinMsgWParam wParam, WinMsgLParam lParam, void *callbackData)
{
	HWND hwnd;
	
	int hMenuBar=0;
    switch(lParam)
    {
        case WM_RBUTTONDOWN:
			hMenuBar=LoadMenuBar (0, "taskbar.uir", MENU);
			RunPopupMenu (hMenuBar, MENU_MENU1, panelHandle, 760, 560, 0, 0, 0, 0);
			//GetPanelAttribute (panelHandle, ATTR_SYSTEM_WINDOW_HANDLE, &hwnd);
			
			//PostMessage (hwnd,WM_NULL, 0, 0);
			DiscardMenuBar(hMenuBar); 
			
            break;
    }
}
int CVICALLBACK Quit (int panel, int control, int event,
        void *callbackData, int eventData1, int eventData2)
{
    switch (event) {
        case EVENT_COMMIT:
            QuitUserInterface (0); 
            break;
    }
    return 0;
}

void CVICALLBACK Help (int menuBar, int menuItem, void *callbackData,
		int panel)
{
	MessagePopup("Help","This is  NotifyIcon");
}

void CVICALLBACK Quit1 (int menuBar, int menuItem, void *callbackData,
		int panel)
{
	QuitUserInterface (0);   
}