視窗句柄 4 /// 指定視窗如何顯示。查看允許值列表,請查閱ShowWlndow函數的說明部分"/> 視窗句柄 4 /// 指定視窗如何顯示。查看允許值列表,請查閱ShowWlndow函數的說明部分">
<span style="color: #008080"> 1</span> <span style="color: #808080">///</span><span style="color: #008000"> 该函数设置由不同线程产生的窗口的显示状态 </span><span style="color: #008080"> 2</span> <span style="color: #808080">///</span> <span style="color: #808080"></summary></span> <span style="color: #008080"> 3</span> <span style="color: #808080">///</span> <span style="color: #808080"><param name="hWnd"></span><span style="color: #008000">窗口句柄</span><span style="color: #808080"></param></span> <span style="color: #008080"> 4</span> <span style="color: #808080">///</span> <span style="color: #808080"><param name="cmdShow"></span><span style="color: #008000">指定窗口如何显示。查看允许值列表,请查阅ShowWlndow函数的说明部分</span><span style="color: #808080"></param></span> <span style="color: #008080"> 5</span> <span style="color: #808080">///</span> <span style="color: #808080"><returns></span><span style="color: #008000">如果函数原来可见,返回值为非零;如果函数原来被隐藏,返回值为零</span><span style="color: #808080"></returns></span> <span style="color: #008080"> 6</span> [DllImport(<span style="color: #800000">"</span><span style="color: #800000">User32.dll</span><span style="color: #800000">"</span><span style="color: #000000">)] </span><span style="color: #008080"> 7</span> <span style="color: #0000ff">private</span> <span style="color: #0000ff">static</span> <span style="color: #0000ff">extern</span> <span style="color: #0000ff">bool</span> ShowWindowAsync(IntPtr hWnd, <span style="color: #0000ff">int</span><span style="color: #000000"> cmdShow); </span><span style="color: #008080"> 8</span> <span style="color: #808080">///</span> <span style="color: #808080"><summary></span> <span style="color: #008080"> 9</span> <span style="color: #808080">///</span><span style="color: #008000"> 该函数将创建指定窗口的线程设置到前台,并且激活该窗口。键盘输入转向该窗口,并为用户改各种可视的记号。 </span><span style="color: #008080">10</span> <span style="color: #808080">///</span><span style="color: #008000"> 系统给创建前台窗口的线程分配的权限稍高于其他线程。 </span><span style="color: #008080">11</span> <span style="color: #808080">///</span> <span style="color: #808080"></summary></span> <span style="color: #008080">12</span> <span style="color: #808080">///</span> <span style="color: #808080"><param name="hWnd"></span><span style="color: #008000">将被激活并被调入前台的窗口句柄</span><span style="color: #808080"></param></span> <span style="color: #008080">13</span> <span style="color: #808080">///</span> <span style="color: #808080"><returns></span><span style="color: #008000">如果窗口设入了前台,返回值为非零;如果窗口未被设入前台,返回值为零</span><span style="color: #808080"></returns></span> <span style="color: #008080">14</span> [DllImport(<span style="color: #800000">"</span><span style="color: #800000">User32.dll</span><span style="color: #800000">"</span><span style="color: #000000">)] </span><span style="color: #008080">15</span> <span style="color: #0000ff">private</span> <span style="color: #0000ff">static</span> <span style="color: #0000ff">extern</span> <span style="color: #0000ff">bool</span><span style="color: #000000"> SetForegroundWindow(IntPtr hWnd); </span><span style="color: #008080">16</span> <span style="color: #008080">17</span> <span style="color: #0000ff">private</span> <span style="color: #0000ff">void</span><span style="color: #000000"> BringToFront(IntPtr hWnd) </span><span style="color: #008080">18</span> <span style="color: #000000"> { </span><span style="color: #008080">19</span> <span style="color: #008000">//</span><span style="color: #008000">Process currentProcess = Process.GetCurrentProcess(); </span><span style="color: #008080">20</span> <span style="color: #008000">//</span><span style="color: #008000">Process process = Process.get(id); </span><span style="color: #008080">21</span> <span style="color: #008000">//</span><span style="color: #008000">if (process != null) </span><span style="color: #008080">22</span> <span style="color: #008000">//</span><span style="color: #008000">{ </span><span style="color: #008080">23</span> <span style="color: #008000">//</span><span style="color: #008000"> ShowWindowAsync(process.MainWindowHandle, 1);</span><span style="color: #008000">//</span><span style="color: #008000">显示 </span><span style="color: #008080">24</span> <span style="color: #008000">//</span><span style="color: #008000"> SetForegroundWindow(process.MainWindowHandle);</span><span style="color: #008000">//</span><span style="color: #008000">当到最前端 </span><span style="color: #008080">25</span> <span style="color: #008000">//</span><span style="color: #008000">}</span> <span style="color: #008080">26</span> Process[] Processes = Process.GetProcesses();<span style="color: #008000">//</span><span style="color: #008000"> GetProcessesByName(currentProcess.ProcessName);</span> <span style="color: #008080">27</span> <span style="color: #0000ff">foreach</span> (Process process <span style="color: #0000ff">in</span><span style="color: #000000"> Processes) </span><span style="color: #008080">28</span> <span style="color: #000000"> { </span><span style="color: #008080">29</span> <span style="color: #008000">//</span><span style="color: #008000">process.Start(); </span><span style="color: #008080">30</span> <span style="color: #008000">//</span><span style="color: #008000">if (process.Id != currentProcess.Id) </span><span style="color: #008080">31</span> <span style="color: #008000">//</span><span style="color: #008000">{ </span><span style="color: #008080">32</span> <span style="color: #008000">//</span><span style="color: #008000"> if (Assembly.GetExecutingAssembly().Location.Replace("/", "\\") </span><span style="color: #008080">33</span> <span style="color: #008000">//</span><span style="color: #008000"><span style="white-space:pre"> </span> == currentProcess.MainModule.FileName) </span><span style="color: #008080">34</span> <span style="color: #008000">//</span><span style="color: #008000"> { </span><span style="color: #008080">35</span> <span style="color: #008000">//</span><span style="color: #008000"> return process; </span><span style="color: #008080">36</span> <span style="color: #008000">//</span><span style="color: #008000"> }</span> <span style="color: #008080">37</span> <span style="color: #0000ff">if</span> (process.MainWindowHandle.ToString() == <span style="color: #800000">"</span><span style="color: #800000">0</span><span style="color: #800000">"</span><span style="color: #000000">) </span><span style="color: #008080">38</span> <span style="color: #000000"> { </span><span style="color: #008080">39</span> <span style="color: #0000ff">continue</span><span style="color: #000000">; </span><span style="color: #008080">40</span> <span style="color: #000000"> } </span><span style="color: #008080">41</span> <span style="color: #0000ff">if</span> (process.MainWindowHandle ==<span style="color: #000000"> hWnd) </span><span style="color: #008080">42</span> <span style="color: #000000"> { </span><span style="color: #008080">43</span> ShowWindowAsync(process.MainWindowHandle, <span style="color: #800080">1</span>);<span style="color: #008000">//</span><span style="color: #008000">显示</span> <span style="color: #008080">44</span> SetForegroundWindow(process.MainWindowHandle);<span style="color: #008000">//</span><span style="color: #008000">当到最前端</span> <span style="color: #008080">45</span> <span style="color: #000000"> } </span><span style="color: #008080">46</span> <span style="color: #008000">//</span><span style="color: #008000">}</span> <span style="color: #008080">47</span> <span style="color: #000000"> } </span><span style="color: #008080">48</span> }
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