为控件添加Tooltip

/*************************************************
Function:        CreateToolTip
Description:    在父类容器中为子控件添加Tooltip
Input:             int toolID 控件ID 
                       HWND hDlg 
                       TCHAR* pText
Output:       NULL
Return:       NULL
*************************************************/
BOOL CXXX::CreateToolTip(int toolID, HWND hDlg, TCHAR* pText)
{
	// toolID: the resource ID of the control.
	// hDlg: the handle of the dialog box.
	// pText: the text that appears in the tooltip.
	// g_hInst: the global instance handle.
	if (!toolID || !hDlg || !pText)
	{
		return FALSE;
	}

	// Get the window of the tool.
	HWND hwndTool = ::GetDlgItem(hDlg, toolID);
	HINSTANCE g_hInst = GetModuleHandle(NULL);

	// Create the tooltip.
	#ifndef TTS_BALLOON
	#define TTS_BALLOON 0x40
	#endif
	HWND hwndTip = CreateWindowEx(NULL, TOOLTIPS_CLASS, NULL,
				//WS_POPUP |TTS_ALWAYSTIP | TTS_BALLOON,//泡泡型
				WS_POPUP | TTS_NOPREFIX | TTS_ALWAYSTIP,//普通方块型
				CW_USEDEFAULT, CW_USEDEFAULT,
				CW_USEDEFAULT, CW_USEDEFAULT,
				hDlg, NULL, 
				g_hInst, NULL);

	if (!hwndTool || !hwndTip)
	{
		return FALSE;
	} 

	// Associate the tooltip with the tool.
	TOOLINFO toolInfo = { 0 };
	toolInfo.cbSize = sizeof(toolInfo);
	toolInfo.hwnd = hDlg;
	toolInfo.uFlags = TTF_IDISHWND | TTF_SUBCLASS;
	toolInfo.uId = (UINT_PTR)hwndTool;
	toolInfo.lpszText = pText;
	::SendMessage(hwndTip, TTM_ADDTOOL, 0, (LPARAM)&toolInfo);

	return TRUE;
}

 

/*************************************************
Function:      CreateToolTip
Description: 自添加Tooltip
Input:          int toolID 控件ID 
                    HWND hDlg 
                    TCHAR* pText
Output:       NULL
Return:        NULL
*************************************************/
BOOL CXXX::CreateToolTip(HWND hDlg, TCHAR* pText)
{
	// toolID: the resource ID of the control.
	// hDlg: the handle of the dialog box.
	// pText: the text that appears in the tooltip.
	// g_hInst: the global instance handle.
	if (!hDlg || !pText)
	{
		return FALSE;
	}
	// Get the window of the tool.
	//HWND hwndTool = ::GetDlgItem(hDlg, toolID);
	HWND hwndTool = this->GetSafeHwnd();
	HINSTANCE g_hInst = GetModuleHandle(NULL);
	// Create the tooltip.
#ifndef TTS_BALLOON
#define TTS_BALLOON 0x40
#endif
	HWND hwndTip = CreateWindowEx(NULL, TOOLTIPS_CLASS, NULL,
		//WS_POPUP |TTS_ALWAYSTIP | TTS_BALLOON,//泡泡型
		WS_POPUP | TTS_NOPREFIX | TTS_ALWAYSTIP,//普通方块型
		CW_USEDEFAULT, CW_USEDEFAULT,
		CW_USEDEFAULT, CW_USEDEFAULT,
		hDlg, NULL, 
		g_hInst, NULL);
	if (!hwndTool || !hwndTip)
	{
		return FALSE;
	} 
	// Associate the tooltip with the tool.
	TOOLINFO toolInfo = { 0 };
	toolInfo.cbSize = sizeof(toolInfo);
	toolInfo.hwnd = hDlg;
	toolInfo.uFlags = TTF_IDISHWND | TTF_SUBCLASS;
	toolInfo.uId = (UINT_PTR)hwndTool;
	toolInfo.lpszText = pText;
	::SendMessage(hwndTip, TTM_ADDTOOL, 0, (LPARAM)&toolInfo);
	return TRUE;
}