c# getforegroundwindow
[DllImport("user32.dll")]
private static extern IntPtr GetForegroundWindow();
c# getforegroundwindow
[DllImport("user32.dll")]
private static extern IntPtr GetForegroundWindow();
c# get foreground window
#region Retrieve list of windows
[DllImport("user32")]
private static extern int GetWindowLongA(IntPtr hWnd, int index);
[DllImport("USER32.DLL")]
private static extern int GetWindowText(IntPtr hWnd, StringBuilder lpString, int nMaxCount);
[DllImport("USER32.DLL")]
private static extern bool EnumWindows(EnumWindowsProc enumFunc, int lParam);
[DllImport("user32.dll")]
private static extern IntPtr GetForegroundWindow();
private const int GWL_STYLE = -16;
private const ulong WS_VISIBLE = 0x10000000L;
private const ulong WS_BORDER = 0x00800000L;
private const ulong TARGETWINDOW = WS_BORDER | WS_VISIBLE;
internal class Window
{
public string Title;
public IntPtr Handle;
public override string ToString()
{
return Title;
}
}
private List<Window> windows;
private void GetWindows()
{
windows = new List<Window>();
EnumWindows(Callback, 0);
}
private bool Callback(IntPtr hwnd, int lParam)
{
if (this.Handle != hwnd && (GetWindowLongA(hwnd, GWL_STYLE) & TARGETWINDOW) == TARGETWINDOW)
{
StringBuilder sb = new StringBuilder(100);
GetWindowText(hwnd, sb, sb.Capacity);
Window t = new Window();
t.Handle = hwnd;
t.Title = sb.ToString();
windows.Add(t);
}
return true; //continue enumeration
}
#endregion
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