如何获得窗口句柄与如何使窗口最前

//在类中调用Windows API

//设置此窗体句柄的窗体为活动窗体

[SystemRuntimeInteropServicesDllImport("user32dll", CharSet = SystemRuntimeInteropServicesCharSetAuto, ExactSpelling = true)]

public static extern IntPtr GetForegroundWindow(); //获得当前活动窗体的句柄

[SystemRuntimeInteropServicesDllImport("user32dll", EntryPoint = "SetForegroundWindow")]

public static extern bool SetForegroundWindow(IntPtr hWnd);

//调用

IntPtr handle=Handle;

if (handle!= GetForegroundWindow()) //获取当前活动窗体

SetForegroundWindow(handle); //如果不是,强制把自己的设置为活动窗体

调用可以在Timer中运行,把Timer设置一个间隔值,随便

Timer一段时间就会去检查一遍如果自己没有被顶置,那么把自己顶置

[DllImport("user32dll", EntryPoint = "FindWindow", CharSet = CharSetAuto)]

static extern IntPtr FindWindow(string lpClassName, string lpWindowName);

/// <summary>

/// 获取有名字窗体句柄

/// </summary>

/// <param name="caption">窗体名</param>

/// <param name="delay">循环查询次数</param>

/// <param name="maxTries">停顿时间</param>

/// <returns>句柄 IntPtr</returns>

static IntPtr FindMainWindowHandle(String caption,int delay,int maxTries)

{

IntPtr mwh = IntPtrZero;

bool foundWindow = false;

int attempts = 0;

do

{

mwh = FindWindow(null, caption);

if (mwh == IntPtrZero)

{

ConsoleWriteLine("Form not yet found\n");

ThreadSleep(maxTries);

++attempts;

}

else

{

ConsoleWriteLine("Form has been found");

foundWindow = true;

}

}

while(!foundWindow && attempts<delay);

if(mwh != IntPtrZero)

return mwh;

else

throw new Exception("Coule not find Main Window");

//调用FindMainWindowHandle()方法以获取窗体句柄,例:

IntPtr wHandle= FindMainWindowHandle("窗体名",10,100);

ConsoleWriteLine("窗体句柄: " + wHandle);

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