mirror of https://github.com/dahall/Vanara.git
57 lines
2.7 KiB
C#
57 lines
2.7 KiB
C#
using System;
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using System.Runtime.InteropServices;
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namespace Vanara.PInvoke
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{
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/// <summary>Contains message information from a thread's message queue.</summary>
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// https://docs.microsoft.com/en-us/windows/win32/api/winuser/ns-winuser-msg typedef struct tagMSG { HWND hwnd; UINT message; WPARAM
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// wParam; LPARAM lParam; DWORD time; POINT pt; DWORD lPrivate; } MSG, *PMSG, *NPMSG, *LPMSG;
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[PInvokeData("winuser.h", MSDNShortId = "NS:winuser.tagMSG")]
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[StructLayout(LayoutKind.Sequential)]
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public struct MSG
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{
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/// <summary>
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/// A handle to the window whose window procedure receives the message. This member is NULL when the message is a thread message.
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/// </summary>
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public HWND hwnd;
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/// <summary>The message identifier. Applications can only use the low word; the high word is reserved by the system.</summary>
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public uint message;
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/// <summary>Additional information about the message. The exact meaning depends on the value of the message member.</summary>
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public IntPtr wParam;
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/// <summary>Additional information about the message. The exact meaning depends on the value of the message member.</summary>
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public IntPtr lParam;
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/// <summary>The time at which the message was posted.</summary>
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public uint time;
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/// <summary>The horizontal cursor position, in screen coordinates, when the message was posted.</summary>
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public int pt_x;
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/// <summary>The vertical cursor position, in screen coordinates, when the message was posted.</summary>
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public int pt_y;
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/// <summary>Initializes a new instance of the <see cref="MSG"/> struct.</summary>
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/// <param name="hwnd">
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/// A handle to the window whose window procedure receives the message. This member is NULL when the message is a thread message.
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/// </param>
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/// <param name="msg">The message identifier. Applications can only use the low word; the high word is reserved by the system.</param>
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/// <param name="wParam">Additional information about the message. The exact meaning depends on the value of the message member.</param>
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/// <param name="lParam">Additional information about the message. The exact meaning depends on the value of the message member.</param>
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/// <param name="pt_x">The horizontal cursor position, in screen coordinates, when the message was posted.</param>
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/// <param name="pt_y">The vertical cursor position, in screen coordinates, when the message was posted.</param>
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/// <param name="time">The time at which the message was posted.</param>
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public MSG(HWND hwnd, uint msg, IntPtr wParam, IntPtr lParam, int pt_x = default, int pt_y = default, uint time = default)
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{
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this.hwnd = hwnd;
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this.message = msg;
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this.wParam = wParam;
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this.lParam = lParam;
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this.time = time;
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this.pt_x = pt_x;
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this.pt_y = pt_y;
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}
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}
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} |