using System; using System.Collections.Generic; using System.Drawing; using System.Runtime.InteropServices; using System.Text; using System.Windows.Forms; namespace CC_Functions.W32 { public sealed class Wnd32 : IEquatable { #region Exposed #region CreateInstance private Wnd32(IntPtr wndref) => hWnd = wndref; public static Wnd32 fromHandle(IntPtr handle) => new Wnd32(handle); public static Wnd32 fromMetadata(string lpClassName = null, string lpWindowName = null) => fromHandle(FindWindow(lpClassName, lpWindowName)); public static Wnd32 fromPoint(Point point) => fromHandle(WindowFromPoint(point.X, point.Y)); public static Wnd32 fromForm(Form form) => fromHandle(form.Handle); public static Wnd32 foreground() => fromHandle(GetForegroundWindow()); #endregion CreateInstance #region InstanceActions public string title { get { int length = GetWindowTextLength(hWnd); StringBuilder sb = new StringBuilder(length + 1); GetWindowText(hWnd, sb, sb.Capacity); return sb.ToString(); } set { SetWindowText(hWnd, value); } } public Rectangle position { get { RECT Rect = new RECT(); GetWindowRect(hWnd, ref Rect); return new Rectangle(new Point(Rect.left, Rect.top), new Size(Rect.right - Rect.left, Rect.bottom - Rect.top)); } set { RECT Rect = new RECT(); GetWindowRect(hWnd, ref Rect); MoveWindow(hWnd, value.X, value.Y, value.Width, value.Height, true); } } public bool isForeground { get { return GetForegroundWindow() == hWnd; } set { if (value) SetForegroundWindow(hWnd); else throw new InvalidOperationException("You can't set a Window not to be in the foreground. Move another one over it!"); } } public bool enabled { get { return IsWindowEnabled(hWnd); } set { EnableWindow(hWnd, value); } } public Icon icon { get { var hicon = SendMessage(hWnd, 0x7F, 1, 0); if (hicon == IntPtr.Zero) hicon = SendMessage(hWnd, 0x7F, 0, 0); if (hicon == IntPtr.Zero) hicon = SendMessage(hWnd, 0x7F, 2, 0); return Icon.FromHandle(hicon); } } public bool shown { get { return IsWindowVisible(hWnd); } set { if (value) ShowWindow(hWnd, 9); else ShowWindow(hWnd, 0); } } public string className { get { StringBuilder ClassName = new StringBuilder(256); _ = GetClassName(hWnd, ClassName, ClassName.Capacity); return ClassName.ToString(); } } public FormWindowState state { get { int style = (int)GetWindowLong(hWnd, -16); if ((style & 0x01000000) == 0x01000000) { return FormWindowState.Maximized; } else if ((style & 0x20000000) == 0x20000000) { return FormWindowState.Minimized; } else { return FormWindowState.Normal; } } set { switch (value) { case FormWindowState.Minimized: ShowWindow(hWnd, 11); break; case FormWindowState.Normal: ShowWindow(hWnd, 1); break; case FormWindowState.Maximized: ShowWindow(hWnd, 3); break; } } } public void MakeOverlay() => overlay = true; public bool overlay { set { Rectangle tmp = position; _ = SetWindowPos(hWnd, value ? HWND_TOPMOST : HWND_NOTOPMOST, tmp.X, tmp.Y, tmp.Width, tmp.Height, value ? SWP_NOMOVE | SWP_NOSIZE : 0); } } public bool Destroy() { if (DestroyWindow(hWnd)) return true; else throw new Exception("Failed."); } public bool stillExists => IsWindow(hWnd); public override string ToString() => hWnd.ToString() + "; " + title + "; " + position.ToString(); public override bool Equals(object obj) => Equals(obj as Wnd32); public bool Equals(Wnd32 other) => other != null && EqualityComparer.Default.Equals(hWnd, other.hWnd); public override int GetHashCode() => -75345830 + EqualityComparer.Default.GetHashCode(hWnd); public static bool operator ==(Wnd32 left, Wnd32 right) => EqualityComparer.Default.Equals(left, right); public static bool operator !=(Wnd32 left, Wnd32 right) => !(left == right); #endregion InstanceActions #endregion Exposed #region W32 public IntPtr hWnd; [DllImport("user32.dll")] [return: MarshalAs(UnmanagedType.Bool)] private static extern bool IsWindowVisible(IntPtr hWnd); [DllImport("user32.dll", SetLastError = true, CharSet = CharSet.Ansi)] private static extern long GetClassName(IntPtr hWnd, StringBuilder lpClassName, int nMaxCount); [DllImport("user32.dll")] private static extern IntPtr GetForegroundWindow(); [DllImport("user32.dll", SetLastError = true, CharSet = CharSet.Unicode)] private static extern IntPtr FindWindow(string lpClassName, string lpWindowName); [DllImport("user32.dll")] private static extern IntPtr WindowFromPoint(int xPoint, int yPoint); [DllImport("user32.dll", SetLastError = true, CharSet = CharSet.Unicode)] private static extern bool SetWindowText(IntPtr hWnd, string lpString); [DllImport("user32.dll", SetLastError = true)] private static extern bool MoveWindow(IntPtr hWnd, int X, int Y, int nWidth, int nHeight, bool bRepaint); [DllImport("user32.dll")] private static extern bool SetForegroundWindow(IntPtr hWnd); [DllImport("user32.dll")] private static extern bool EnableWindow(IntPtr hWnd, bool bEnable); [DllImport("user32.dll")] [return: MarshalAs(UnmanagedType.Bool)] private static extern bool IsWindowEnabled(IntPtr hWnd); [DllImport("user32.dll", CharSet = CharSet.Unicode, SetLastError = true)] [return: MarshalAs(UnmanagedType.Bool)] private static extern bool DestroyWindow(IntPtr hwnd); private static readonly IntPtr HWND_TOPMOST = new IntPtr(-1); private static readonly IntPtr HWND_TOP = new IntPtr(0); private static readonly IntPtr HWND_NOTOPMOST = new IntPtr(-2); private const UInt32 SWP_NOSIZE = 0x0001; private const UInt32 SWP_NOMOVE = 0x0002; [DllImport("user32.dll")] [return: MarshalAs(UnmanagedType.Bool)] private static extern bool SetWindowPos(IntPtr hWnd, IntPtr hWndInsertAfter, int X, int Y, int cx, int cy, uint uFlags); [DllImport("user32.dll", CharSet = CharSet.Unicode, SetLastError = true)] private static extern int GetWindowText(IntPtr hWnd, StringBuilder lpString, int nMaxCount); [DllImport("user32.dll", CharSet = CharSet.Auto, CallingConvention = CallingConvention.StdCall, ExactSpelling = true, SetLastError = true)] private static extern bool GetWindowRect(IntPtr hWnd, ref RECT rect); private struct RECT { public int left; public int top; public int right; public int bottom; } [DllImport("user32.dll", SetLastError = true, CharSet = CharSet.Auto)] private static extern int GetWindowTextLength(IntPtr hWnd); [DllImport("user32.dll")] [return: MarshalAs(UnmanagedType.Bool)] private static extern bool IsWindow(IntPtr hWnd); [DllImport("user32.dll", CharSet = CharSet.Auto, SetLastError = false)] private static extern IntPtr SendMessage(IntPtr hWnd, int msg, int wParam, int lParam); [DllImport("user32.dll")] private static extern bool ShowWindow(IntPtr hWnd, int nCmdShow); [DllImport("user32.dll", SetLastError = true)] private static extern int GetWindowLong(IntPtr hWnd, int nIndex); #endregion W32 } }