我用ATL写一个DLL,在ATL Object Wizard中添加了一个Dialog,在界面上要用两个Slider控件,如何设置滑块控件的范围和刻度的频率???
在LRESULT OnHScroll(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)这里如何能捕获是哪一个滑块传来的消息????
在LRESULT OnHScroll(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)这里如何能捕获是哪一个滑块传来的消息????
{
HWND hWnd = (HWND)lParam; if(hWnd == m_wndSlider1.m_hWnd)
{
}
}
{
HWND hWnd = (HWND)lParam; if(hWnd == m_wndSlider1.m_hWnd)
{
// 是slider1发出的消息
}
else if(hWnd == m_wndSlider1.m_hWnd)
{
// 是slider2发出的消息
}
}
::SendMessage(m_hWnd, TBM_SETRANGEMAX, bRedraw, nMax);
::SendMessage(m_hWnd, TBM_SETTICFREQ, nFreq, 0L);//nFreq为频率
int nMax = 3000;
int nFreq = 25;
SendMessage(GetDlgItem(IDC_SLIDER1),TBM_SETRANGEMIN,0,nMin);
SendMessage(GetDlgItem(IDC_SLIDER1),TBM_SETRANGEMAX,0,nMax);
SendMessage(GetDlgItem(IDC_SLIDER1),TBM_SETTICFREQ,nFreq, 0L);