99 lines
2.0 KiB
C#
99 lines
2.0 KiB
C#
using System;
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using System.Drawing;
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using System.Runtime.InteropServices;
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namespace Hardcodet.Wpf.TaskbarNotification.Interop
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{
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public class AppBarInfo
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{
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public enum ScreenEdge
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{
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Undefined = -1,
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Left = 0,
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Top = 1,
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Right = 2,
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Bottom = 3
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}
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private struct APPBARDATA
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{
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public uint cbSize;
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public IntPtr hWnd;
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public uint uCallbackMessage;
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public uint uEdge;
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public RECT rc;
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public int lParam;
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}
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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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private const int ABE_BOTTOM = 3;
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private const int ABE_LEFT = 0;
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private const int ABE_RIGHT = 2;
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private const int ABE_TOP = 1;
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private const int ABM_GETTASKBARPOS = 5;
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private const uint SPI_GETWORKAREA = 48u;
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private APPBARDATA m_data;
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public ScreenEdge Edge => (ScreenEdge)m_data.uEdge;
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public Rectangle WorkArea => GetRectangle(m_data.rc);
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[DllImport("user32.dll")]
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private static extern IntPtr FindWindow(string lpClassName, string lpWindowName);
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[DllImport("shell32.dll")]
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private static extern uint SHAppBarMessage(uint dwMessage, ref APPBARDATA data);
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[DllImport("user32.dll")]
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private static extern int SystemParametersInfo(uint uiAction, uint uiParam, IntPtr pvParam, uint fWinIni);
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private Rectangle GetRectangle(RECT rc)
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{
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return new Rectangle(rc.left, rc.top, rc.right - rc.left, rc.bottom - rc.top);
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}
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public void GetPosition(string strClassName, string strWindowName)
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{
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m_data = default(APPBARDATA);
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m_data.cbSize = (uint)Marshal.SizeOf(m_data.GetType());
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IntPtr intPtr = FindWindow(strClassName, strWindowName);
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if (intPtr != IntPtr.Zero)
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{
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uint num = SHAppBarMessage(5u, ref m_data);
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if (num != 1)
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{
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throw new Exception("Failed to communicate with the given AppBar");
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}
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return;
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}
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throw new Exception("Failed to find an AppBar that matched the given criteria");
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}
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public void GetSystemTaskBarPosition()
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{
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GetPosition("Shell_TrayWnd", null);
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}
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}
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}
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