C#：Activeになっているウィンドウのアプリケーション名を取得する
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| [DllImport("user32.dll")] | |
| public static extern IntPtr GetForegroundWindow(); | |
| [DllImport("user32.dll", EntryPoint = "GetWindowText", CharSet = CharSet.Auto)] | |
| public static extern int GetWindowText(IntPtr hWnd, StringBuilder lpString, int nMaxCount); | |
| [DllImport("user32.dll")] | |
| private static extern uint GetWindowThreadProcessId(IntPtr hWnd, out int lpdwProcessId); | |
| int processid; | |
| try{ | |
| GetWindowThreadProcessId(GetForegroundWindow(), out processid); | |
| if (0 != processid){ | |
| Process p = Process.GetProcessById(processid); | |
| System.Diagnostics.Debug.Write(processid + ":"); | |
| System.Diagnostics.Debug.WriteLine(p.MainModule.FileVersionInfo.ProductName);//アプリケーションの名前が出てきます | |
| } | |
| else{ | |
| System.Diagnostics.Debug.Write(processid + ":Sleep"); | |
| } | |
| } | |
| catch (System.ComponentModel.Win32Exception e){ | |
| System.Diagnostics.Debug.Writeln("何もしない"); | |
| } |
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