mirror of
https://github.com/LorenzCK/OnTopReplica.git
synced 2024-05-21 04:43:55 +12:00
163 lines
4.6 KiB
C#
163 lines
4.6 KiB
C#
using System;
|
|
using System.Collections.Generic;
|
|
using System.Text;
|
|
using System.Drawing;
|
|
using OnTopReplica.Native;
|
|
|
|
namespace OnTopReplica {
|
|
|
|
/// <summary>
|
|
/// Helper class that keeps a window handle (HWND),
|
|
/// the title of the window and can load its icon.
|
|
/// </summary>
|
|
public class WindowHandle : System.Windows.Forms.IWin32Window {
|
|
|
|
IntPtr _handle;
|
|
string _title;
|
|
|
|
/// <summary>
|
|
/// Creates a new WindowHandle instance. The handle pointer must be valid, the title
|
|
/// may be null or empty and will be updated as requested.
|
|
/// </summary>
|
|
public WindowHandle(IntPtr p, string title) {
|
|
_handle = p;
|
|
_title = title;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Creates a new WindowHandle instance. Additional features of the handle will be queried as needed.
|
|
/// </summary>
|
|
/// <param name="p"></param>
|
|
public WindowHandle(IntPtr p) {
|
|
_handle = p;
|
|
_title = null;
|
|
}
|
|
|
|
public string Title {
|
|
get {
|
|
if (_title == null) {
|
|
_title = WindowMethods.GetWindowText(_handle) ?? string.Empty;
|
|
}
|
|
|
|
return _title;
|
|
}
|
|
}
|
|
|
|
Icon _icon = null;
|
|
bool _iconFetched = false;
|
|
public Icon Icon {
|
|
get {
|
|
if (!_iconFetched) {
|
|
//Fetch icon from window
|
|
IntPtr hIcon;
|
|
|
|
if (MessagingMethods.SendMessageTimeout(_handle, WM.GETICON, new IntPtr(2), new IntPtr(0),
|
|
MessagingMethods.SendMessageTimeoutFlags.AbortIfHung | MessagingMethods.SendMessageTimeoutFlags.Block, 500, out hIcon) == IntPtr.Zero) {
|
|
hIcon = IntPtr.Zero;
|
|
}
|
|
|
|
if (hIcon != IntPtr.Zero) {
|
|
_icon = Icon.FromHandle(hIcon);
|
|
}
|
|
else {
|
|
//Fetch icon from window class
|
|
hIcon = (IntPtr)WindowMethods.GetClassLong(_handle, WindowMethods.ClassLong.IconSmall);
|
|
|
|
if (hIcon.ToInt64() != 0) {
|
|
_icon = Icon.FromHandle(hIcon);
|
|
}
|
|
}
|
|
}
|
|
|
|
_iconFetched = true;
|
|
|
|
return _icon;
|
|
}
|
|
}
|
|
|
|
string _class = null;
|
|
|
|
/// <summary>
|
|
/// Gets the window's class name.
|
|
/// </summary>
|
|
/// <remarks>
|
|
/// This value is cached and is never null.
|
|
/// </remarks>
|
|
public string Class {
|
|
get {
|
|
if (_class == null) {
|
|
_class = Native.WindowMethods.GetWindowClass(Handle) ?? string.Empty;
|
|
}
|
|
return _class;
|
|
}
|
|
}
|
|
|
|
#region Object override
|
|
|
|
public override string ToString() {
|
|
var sb = new StringBuilder();
|
|
sb.AppendFormat("#{0}", _handle);
|
|
|
|
if (!string.IsNullOrWhiteSpace(_title) || !string.IsNullOrWhiteSpace(_class)) {
|
|
sb.Append(" (");
|
|
if (!string.IsNullOrWhiteSpace(_title)) {
|
|
sb.AppendFormat("title '{0}'", _title);
|
|
if (!string.IsNullOrWhiteSpace(_class)) {
|
|
sb.Append(", ");
|
|
}
|
|
}
|
|
if (!string.IsNullOrWhiteSpace(_class)) {
|
|
sb.AppendFormat("class {0}", _class);
|
|
}
|
|
sb.Append(")");
|
|
}
|
|
|
|
return sb.ToString();
|
|
|
|
if (string.IsNullOrWhiteSpace(_title)) {
|
|
return string.Format("#{0}", _handle.ToInt64());
|
|
}
|
|
else if (string.IsNullOrWhiteSpace(_class)) {
|
|
return string.Format("#{0} ({1})", _handle.ToInt64(), _title);
|
|
}
|
|
else {
|
|
return string.Format("#{0} ({1}, class {2})", _handle.ToInt64(), _title, _class);
|
|
}
|
|
}
|
|
|
|
public override bool Equals(object obj) {
|
|
if (ReferenceEquals(obj, this))
|
|
return true;
|
|
|
|
System.Windows.Forms.IWin32Window win = obj as System.Windows.Forms.IWin32Window;
|
|
if (win == null)
|
|
return false;
|
|
|
|
return (_handle.Equals(win.Handle));
|
|
}
|
|
|
|
public override int GetHashCode() {
|
|
return _handle.GetHashCode();
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region IWin32Window Members
|
|
|
|
public IntPtr Handle {
|
|
get { return _handle; }
|
|
}
|
|
|
|
#endregion
|
|
|
|
/// <summary>
|
|
/// Creates a new windowHandle instance from a given IntPtr handle.
|
|
/// </summary>
|
|
/// <param name="handle">Handle value.</param>
|
|
public static WindowHandle FromHandle(IntPtr handle) {
|
|
return new WindowHandle(handle, null);
|
|
}
|
|
|
|
}
|
|
}
|