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https://github.com/owntone/owntone-server.git
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Add win32 configurator
This commit is contained in:
Ron Pedde
398
win32/FireflyConfig/NotifyIconEx.cs
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398
win32/FireflyConfig/NotifyIconEx.cs
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using System;
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using System.Drawing;
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using System.Windows.Forms;
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using System.Runtime.InteropServices;
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using System.ComponentModel;
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using System.Reflection;
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namespace JCMLib
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{
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public class NotifyIconEx : System.ComponentModel.Component
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{
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#region Notify Icon Target Window
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private class NotifyIconTarget : System.Windows.Forms.Form
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{
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public NotifyIconTarget()
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{
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this.Text = "Hidden NotifyIconTarget Window";
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}
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protected override void DefWndProc(ref Message msg)
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{
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if(msg.Msg == 0x400) // WM_USER
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{
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uint msgId = (uint)msg.LParam;
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uint id = (uint)msg.WParam;
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switch(msgId)
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{
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case 0x201: // WM_LBUTTONDOWN
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break;
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case 0x202: // WM_LBUTTONUP
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if(ClickNotify != null)
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ClickNotify(this, id);
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break;
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case 0x203: // WM_LBUTTONDBLCLK
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if(DoubleClickNotify != null)
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DoubleClickNotify(this, id);
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break;
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case 0x205: // WM_RBUTTONUP
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if(RightClickNotify != null)
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RightClickNotify(this, id);
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break;
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case 0x200: // WM_MOUSEMOVE
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break;
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case 0x402: // NIN_BALLOONSHOW
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break;
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// this should happen when the balloon is closed using the x
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// - we never seem to get this message!
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case 0x403: // NIN_BALLOONHIDE
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break;
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// we seem to get this next message whether the balloon times
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// out or whether it is closed using the x
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case 0x404: // NIN_BALLOONTIMEOUT
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break;
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case 0x405: // NIN_BALLOONUSERCLICK
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if(ClickBalloonNotify != null)
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ClickBalloonNotify(this, id);
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break;
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}
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}
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else if(msg.Msg == 0xC086) // WM_TASKBAR_CREATED
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{
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if(TaskbarCreated != null)
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TaskbarCreated(this, System.EventArgs.Empty);
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}
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else
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{
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base.DefWndProc(ref msg);
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}
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}
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public delegate void NotifyIconHandler(object sender, uint id);
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public event NotifyIconHandler ClickNotify;
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public event NotifyIconHandler DoubleClickNotify;
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public event NotifyIconHandler RightClickNotify;
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public event NotifyIconHandler ClickBalloonNotify;
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public event EventHandler TaskbarCreated;
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}
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#endregion
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#region Platform Invoke
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[StructLayout(LayoutKind.Sequential)] private struct NotifyIconData
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{
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public System.UInt32 cbSize; // DWORD
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public System.IntPtr hWnd; // HWND
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public System.UInt32 uID; // UINT
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public NotifyFlags uFlags; // UINT
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public System.UInt32 uCallbackMessage; // UINT
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public System.IntPtr hIcon; // HICON
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[MarshalAs(UnmanagedType.ByValTStr, SizeConst=128)]
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public System.String szTip; // char[128]
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public NotifyState dwState; // DWORD
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public NotifyState dwStateMask; // DWORD
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[MarshalAs(UnmanagedType.ByValTStr, SizeConst=256)]
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public System.String szInfo; // char[256]
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public System.UInt32 uTimeoutOrVersion; // UINT
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[MarshalAs(UnmanagedType.ByValTStr, SizeConst=64)]
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public System.String szInfoTitle; // char[64]
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public NotifyInfoFlags dwInfoFlags; // DWORD
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}
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[DllImport("shell32.Dll")]
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private static extern System.Int32 Shell_NotifyIcon(NotifyCommand cmd, ref NotifyIconData data);
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[DllImport("User32.Dll")]
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private static extern System.Int32 TrackPopupMenuEx(System.IntPtr hMenu,
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System.UInt32 uFlags,
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System.Int32 x,
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System.Int32 y,
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System.IntPtr hWnd,
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System.IntPtr ignore);
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[StructLayout(LayoutKind.Sequential)] private struct POINT
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{
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public System.Int32 x;
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public System.Int32 y;
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}
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[DllImport("User32.Dll")]
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private static extern System.Int32 GetCursorPos(ref POINT point);
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[DllImport("User32.Dll")]
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private static extern System.Int32 SetForegroundWindow(System.IntPtr hWnd);
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#endregion
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public enum NotifyInfoFlags {Error=0x03, Info=0x01, None=0x00, Warning=0x02}
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private enum NotifyCommand {Add=0x00, Delete=0x02, Modify=0x01}
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private enum NotifyFlags {Message=0x01, Icon=0x02, Tip=0x04, Info=0x10, State=0x08}
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private enum NotifyState {Hidden=0x01}
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private uint m_id = 0; // each icon in the notification area has an id
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private IntPtr m_handle; // save the handle so that we can remove icon
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private static NotifyIconTarget m_messageSink = new NotifyIconTarget();
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private static uint m_nextId = 1;
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private string m_text = "";
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private Icon m_icon = null;
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private ContextMenu m_contextMenu = null;
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private bool m_visible = false;
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private bool m_doubleClick = false; // fix for extra mouse up message we want to discard
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public event EventHandler Click;
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public event EventHandler DoubleClick;
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public event EventHandler BalloonClick;
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#region Properties
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public string Text
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{
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set
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{
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if(m_text != value)
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{
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m_text = value;
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CreateOrUpdate();
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}
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}
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get
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{
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return m_text;
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}
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}
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public Icon Icon
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{
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set
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{
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m_icon = value;
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CreateOrUpdate();
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}
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get
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{
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return m_icon;
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}
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}
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public ContextMenu ContextMenu
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{
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set
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{
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m_contextMenu = value;
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}
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get
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{
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return m_contextMenu;
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}
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}
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public bool Visible
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{
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set
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{
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if(m_visible != value)
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{
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m_visible = value;
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CreateOrUpdate();
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}
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}
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get
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{
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return m_visible;
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}
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}
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#endregion
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public NotifyIconEx()
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{
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}
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// this method adds the notification icon if it has not been added and if we
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// have enough data to do so
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private void CreateOrUpdate()
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{
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if(this.DesignMode)
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return;
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if(m_id == 0)
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{
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if(m_icon != null)
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{
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// create icon using available properties
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Create(m_nextId++);
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}
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}
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else
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{
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// update notify icon
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Update();
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}
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}
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private void Create(uint id)
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{
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NotifyIconData data = new NotifyIconData();
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data.cbSize = (uint)Marshal.SizeOf(data);
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m_handle = m_messageSink.Handle;
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data.hWnd = m_handle;
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m_id = id;
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data.uID = m_id;
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data.uCallbackMessage = 0x400;
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data.uFlags |= NotifyFlags.Message;
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data.hIcon = m_icon.Handle; // this should always be valid
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data.uFlags |= NotifyFlags.Icon;
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data.szTip = m_text;
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data.uFlags |= NotifyFlags.Tip;
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if(!m_visible)
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data.dwState = NotifyState.Hidden;
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data.dwStateMask |= NotifyState.Hidden;
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Shell_NotifyIcon(NotifyCommand.Add, ref data);
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// add handlers
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m_messageSink.ClickNotify += new NotifyIconTarget.NotifyIconHandler(OnClick);
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m_messageSink.DoubleClickNotify += new NotifyIconTarget.NotifyIconHandler(OnDoubleClick);
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m_messageSink.RightClickNotify += new NotifyIconTarget.NotifyIconHandler(OnRightClick);
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m_messageSink.ClickBalloonNotify += new NotifyIconTarget.NotifyIconHandler(OnClickBalloon);
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m_messageSink.TaskbarCreated += new EventHandler(OnTaskbarCreated);
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}
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// update an existing icon
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private void Update()
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{
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NotifyIconData data = new NotifyIconData();
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data.cbSize = (uint)Marshal.SizeOf(data);
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data.hWnd = m_messageSink.Handle;
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data.uID = m_id;
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data.hIcon = m_icon.Handle; // this should always be valid
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data.uFlags |= NotifyFlags.Icon;
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data.szTip = m_text;
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data.uFlags |= NotifyFlags.Tip;
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data.uFlags |= NotifyFlags.State;
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if(!m_visible)
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data.dwState = NotifyState.Hidden;
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data.dwStateMask |= NotifyState.Hidden;
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Shell_NotifyIcon(NotifyCommand.Modify, ref data);
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}
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protected override void Dispose(bool disposing)
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{
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Remove();
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base.Dispose(disposing);
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}
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public void Remove()
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{
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if(m_id != 0)
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{
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// remove the notify icon
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NotifyIconData data = new NotifyIconData();
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data.cbSize = (uint)Marshal.SizeOf(data);
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data.hWnd = m_handle;
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data.uID = m_id;
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Shell_NotifyIcon(NotifyCommand.Delete, ref data);
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m_id = 0;
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}
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}
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public void ShowBalloon(string title, string text, NotifyInfoFlags type, int timeoutInMilliSeconds)
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{
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if(timeoutInMilliSeconds < 0)
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throw new ArgumentException("The parameter must be positive", "timeoutInMilliseconds");
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NotifyIconData data = new NotifyIconData();
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data.cbSize = (uint)Marshal.SizeOf(data);
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data.hWnd = m_messageSink.Handle;
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data.uID = m_id;
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data.uFlags = NotifyFlags.Info;
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data.uTimeoutOrVersion = (uint)timeoutInMilliSeconds; // this value does not seem to work - any ideas?
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data.szInfoTitle = title;
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data.szInfo = text;
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data.dwInfoFlags = type;
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Shell_NotifyIcon(NotifyCommand.Modify, ref data);
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}
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#region Message Handlers
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private void OnClick(object sender, uint id)
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{
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if(id == m_id)
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{
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if(!m_doubleClick && Click != null)
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Click(this, EventArgs.Empty);
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m_doubleClick = false;
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}
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}
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private void OnRightClick(object sender, uint id)
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{
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if(id == m_id)
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{
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// show context menu
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if(m_contextMenu != null)
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{
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POINT point = new POINT();
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GetCursorPos(ref point);
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SetForegroundWindow(m_messageSink.Handle); // this ensures that if we show the menu and then click on another window the menu will close
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// call non public member of ContextMenu
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m_contextMenu.GetType().InvokeMember("OnPopup",
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BindingFlags.NonPublic|BindingFlags.InvokeMethod|BindingFlags.Instance,
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null, m_contextMenu, new Object[] {System.EventArgs.Empty});
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TrackPopupMenuEx(m_contextMenu.Handle, 64, point.x, point.y, m_messageSink.Handle, IntPtr.Zero);
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// PostMessage(m_messageSink.Handle, 0, IntPtr.Zero, IntPtr.Zero);
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}
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}
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}
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private void OnDoubleClick(object sender, uint id)
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{
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if(id == m_id)
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{
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m_doubleClick = true;
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if(DoubleClick != null)
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DoubleClick(this, EventArgs.Empty);
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}
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}
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private void OnClickBalloon(object sender, uint id)
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{
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if(id == m_id)
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if(BalloonClick != null)
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BalloonClick(this, EventArgs.Empty);
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}
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private void OnTaskbarCreated(object sender, EventArgs e)
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{
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if(m_id != 0)
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Create(m_id); // keep the id the same
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}
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#endregion
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}
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}
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