https://blog.grabbyte.com/tags/scrollbar/ Recent content in Scrollbar on 软件开发大郭的技术博客 Hugo en Sat, 24 Dec 2022 21:15:23 +0800 https://blog.grabbyte.com/p/2022/12/24.html Sat, 24 Dec 2022 21:15:23 +0800 https://blog.grabbyte.com/p/2022/12/24.html <h1 id="1创建控件">1.创建控件</h1> <div class="highlight"><div class="chroma"> <table class="lntable"><tr><td class="lntd"> <pre tabindex="0" class="chroma"><code><span class="lnt"> 1 </span><span class="lnt"> 2 </span><span class="lnt"> 3 </span><span class="lnt"> 4 </span><span class="lnt"> 5 </span><span class="lnt"> 6 </span><span class="lnt"> 7 </span><span class="lnt"> 8 </span><span class="lnt"> 9 </span><span class="lnt">10 </span><span class="lnt">11 </span><span class="lnt">12 </span><span class="lnt">13 </span><span class="lnt">14 </span><span class="lnt">15 </span><span class="lnt">16 </span><span class="lnt">17 </span></code></pre></td> <td class="lntd"> <pre tabindex="0" class="chroma"><code class="language-c" data-lang="c"><span class="line"><span class="cl"><span class="n">HWND</span> <span class="n">hScrollBar</span> <span class="o">=</span> <span class="o">::</span><span class="nf">CreateWindow</span><span class="p">(</span> </span></span><span class="line"><span class="cl"> </span></span><span class="line"><span class="cl"> <span class="n">WC_SCROLLBAR</span><span class="p">,</span> <span class="c1">//控件类名 </span></span></span><span class="line"><span class="cl"> </span></span><span class="line"><span class="cl"> <span class="nb">NULL</span><span class="p">,</span> <span class="c1">//窗口标题文本 </span></span></span><span class="line"><span class="cl"> </span></span><span class="line"><span class="cl"> <span class="n">WS_VISIBLE</span> <span class="o">|</span> <span class="n">WS_CHILD</span> <span class="o">|</span> <span class="n">SBS_TOPALIGN</span><span class="p">,</span> <span class="c1">//控件风格样式 </span></span></span><span class="line"><span class="cl"> </span></span><span class="line"><span class="cl"> <span class="mi">10</span><span class="p">,</span> <span class="mi">100</span><span class="p">,</span> <span class="mi">200</span><span class="p">,</span> <span class="mi">40</span><span class="p">,</span> <span class="c1">//控件显示位置坐标 </span></span></span><span class="line"><span class="cl"> </span></span><span class="line"><span class="cl"> <span class="n">m_hWnd</span><span class="p">,</span> <span class="c1">//父窗口句柄 </span></span></span><span class="line"><span class="cl"> </span></span><span class="line"><span class="cl"> <span class="p">(</span><span class="n">HMENU</span><span class="p">)</span><span class="n">IDC_SCROLLBAR1</span><span class="p">,</span> <span class="c1">//控件ID号 </span></span></span><span class="line"><span class="cl"> </span></span><span class="line"><span class="cl"> <span class="n">m_hInstance</span><span class="p">,</span> <span class="c1">//程序实例句柄 </span></span></span><span class="line"><span class="cl"> </span></span><span class="line"><span class="cl"> <span class="mi">0</span><span class="p">);</span> <span class="c1">//附加数据 </span></span></span></code></pre></td></tr></table> </div> </div><h1 id="2设置最小值和最大值sbm_setrange">2.设置最小值和最大值(SBM_SETRANGE)</h1> <div class="highlight"><div class="chroma"> <table class="lntable"><tr><td class="lntd"> <pre tabindex="0" class="chroma"><code><span class="lnt">1 </span></code></pre></td> <td class="lntd"> <pre tabindex="0" class="chroma"><code class="language-c" data-lang="c"><span class="line"><span class="cl"><span class="nf">SendMessage</span><span class="p">(</span><span class="n">hScrollBar</span><span class="p">,</span> <span class="n">SBM_SETRANGE</span><span class="p">,</span> <span class="mi">0</span><span class="p">,</span> <span class="mi">100</span><span class="p">);</span> </span></span></code></pre></td></tr></table> </div> </div><ul> <li>wParam: 为最小值</li> <li>lParam: 为最大值</li> </ul> <h1 id="3设置滑块的位置sbm_setpos">3.设置滑块的位置(SBM_SETPOS)</h1> <div class="highlight"><div class="chroma"> <table class="lntable"><tr><td class="lntd"> <pre tabindex="0" class="chroma"><code><span class="lnt">1 </span></code></pre></td> <td class="lntd"> <pre tabindex="0" class="chroma"><code class="language-c" data-lang="c"><span class="line"><span class="cl"><span class="nf">SendMessage</span><span class="p">(</span><span class="n">hScrollBar</span><span class="p">,</span> <span class="n">SBM_SETPOS</span><span class="p">,</span> <span class="mi">1</span><span class="p">,</span> <span class="n">TRUE</span><span class="p">);</span> </span></span></code></pre></td></tr></table> </div> </div><ul> <li>wParam: 为要设定的位置</li> <li>lParam: TRUE为是否刷新窗口,FALSE为不刷新</li> </ul> <h1 id="4获得滑块当前位置sbm_getpos">4.获得滑块当前位置(SBM_GETPOS)</h1> <div class="highlight"><div class="chroma"> <table class="lntable"><tr><td class="lntd"> <pre tabindex="0" class="chroma"><code><span class="lnt">1 </span></code></pre></td> <td class="lntd"> <pre tabindex="0" class="chroma"><code class="language-c" data-lang="c"><span class="line"><span class="cl"><span class="kt">int</span> <span class="n">pos</span> <span class="o">=</span> <span class="nf">SendMessage</span><span class="p">(</span><span class="n">hCtrl</span><span class="p">,</span> <span class="n">SBM_GETPOS</span><span class="p">,</span> <span class="mi">0</span><span class="p">,</span> <span class="mi">0</span><span class="p">);</span> </span></span></code></pre></td></tr></table> </div> </div><h1 id="5通知消息">5.通知消息</h1> <p>水平通知消息(WM_HSCROLL)</p>