C# AutoMessageBox实现方式2

最新推荐文章于 2024-07-31 17:07:29 发布

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本文详细介绍如何使用Windows API进行窗口操作，包括查找、移动窗口，获取窗口矩形，以及向窗口发送消息等。提供了具体的API函数及其参数说明，帮助开发者更好地理解和运用这些功能。

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相关windowApi介绍

/// <summary>
/// 查找窗口
/// </summary>
/// <param name="hwnd">窗口句柄</param>
/// <param name="title">窗口标题</param>
/// <returns></returns>
[DllImport("user32.dll", CharSet = CharSet.Auto)]
static extern IntPtr FindWindow(IntPtr hwnd, string title);

/// <summary>
/// 移动窗口
/// </summary>
/// <param name="hwnd">窗口句柄</param>
/// <param name="x">起始位置X</param>
/// <param name="y">起始位置Y</param>
/// <param name="nWidth">窗口宽度</param>
/// <param name="nHeight">窗口高度</param>
/// <param name="rePaint">是否重绘</param>
[DllImport("user32.dll", CharSet = CharSet.Auto)]
static extern void MoveWindow(IntPtr hwnd, int x, int y, int nWidth, int nHeight, bool rePaint);

/// <summary>
/// 获取窗口矩形
/// </summary>
/// <param name="hwnd">窗口句柄</param>
/// <param name="rect"></param>
/// <returns></returns>
[DllImport("user32.dll", CharSet = CharSet.Auto)]
static extern bool GetWindowRect(IntPtr hwnd, out Rectangle rect);

/// <summary>
/// 向窗口发送信息
/// </summary>
/// <param name="hwnd">窗口句柄</param>
/// <param name="msg">信息</param>
/// <param name="wParam">高字节</param>
/// <param name="lParam">低字节</param>
 /// <returns></returns>
[DllImport("user32.dll", CharSet = CharSet.Auto)]
static extern int PostMessage(IntPtr hwnd, int msg, uint wParam, uint lParam);
public const int WM_CLOSE = 0x10; //关闭命令
public const int WM_KEYDOWN = 0x0100;//按下键
public const int WM_KEYUP = 0x0101;//按键起来
public const int VK_RETURN = 0x0D;//回车键