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