74 lines
2.2 KiB
C#
74 lines
2.2 KiB
C#
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using System;
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using System.Runtime.InteropServices;
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namespace Unity.PlasticSCM.Editor.Tool
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{
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internal static class BringWindowToFront
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{
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internal static void ForWindowsProcess(int processId)
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{
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IntPtr handle = FindMainWindowForProcess(processId);
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if (IsIconic(handle))
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ShowWindow(handle, SW_RESTORE);
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SetForegroundWindow(handle);
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}
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static IntPtr FindMainWindowForProcess(int processId)
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{
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IntPtr result = IntPtr.Zero;
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EnumWindows(delegate (IntPtr wnd, IntPtr param)
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{
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uint windowProcessId = 0;
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GetWindowThreadProcessId(wnd, out windowProcessId);
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if (windowProcessId == processId &&
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IsMainWindow(wnd))
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{
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result = wnd;
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return false;
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}
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return true;
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}, IntPtr.Zero);
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return result;
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}
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static bool IsMainWindow(IntPtr handle)
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{
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return GetWindow(new HandleRef(null, handle), GW_OWNER) == IntPtr.Zero
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&& IsWindowVisible(new HandleRef(null, handle));
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}
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// Delegate to filter which windows to include
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delegate bool EnumWindowsProc(IntPtr hWnd, IntPtr lParam);
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[DllImport("user32.dll")]
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static extern bool EnumWindows(EnumWindowsProc enumProc, IntPtr lParam);
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[DllImport("user32.dll", SetLastError = true)]
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static extern uint GetWindowThreadProcessId(IntPtr hWnd, out uint lpdwProcessId);
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[DllImport("user32.dll", CharSet = CharSet.Auto, ExactSpelling = true)]
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static extern IntPtr GetWindow(HandleRef hWnd, int uCmd);
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[DllImport("user32.dll", CharSet = CharSet.Auto)]
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static extern bool IsWindowVisible(HandleRef hWnd);
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[DllImport("user32.dll")]
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static extern bool ShowWindow(IntPtr handle, int nCmdShow);
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[DllImport("user32.dll")]
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static extern bool SetForegroundWindow(IntPtr handle);
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[DllImport("user32.dll")]
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static extern bool IsIconic(IntPtr handle);
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const int GW_OWNER = 4;
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const int SW_RESTORE = 9;
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}
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}
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