winCE下全屏的C#代码

最新推荐文章于 2021-09-14 13:54:05 发布

pete熊

最新推荐文章于 2021-09-14 13:54:05 发布

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本文介绍了一个使用 C# 实现的任务栏隐藏与显示的功能。通过调用 Windows API 函数，可以在程序中实现全屏模式下隐藏任务栏的效果，并提供恢复到正常状态的方法。代码示例详细展示了如何通过按钮点击事件来切换任务栏的可见性。

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转载自：

http://www.cnblogs.com/hust_wsh/archive/2011/03/02/1968663.html

namespace TaskBarHide

{
public partial class MainForm : Form
{
public MainForm()
{
InitializeComponent();
}

private void btnShow_Click(object sender, EventArgs e)
{
Rectangle rect = new Rectangle();
FullScreenClass.SetFullScreen(true, ref rect);//显示
btnShow.Enabled = false;
btnHide.Enabled = true;
}

private void btnHide_Click(object sender, EventArgs e)
{
Rectangle rect = new Rectangle();
FullScreenClass.SetFullScreen(false, ref rect);//隐藏
btnShow.Enabled = true;
btnHide.Enabled = false;
}
}

public class FullScreenClass
{
public const int SPI_SETWORKAREA = 47;
public const int SPI_GETWORKAREA = 48;
public const int SW_HIDE = 0x00;
public const int SW_SHOW = 0x0001;
public const int SPIF_UPDATEINIFILE = 0x01;
[DllImport("coredll.dll", EntryPoint = "FindWindow")]
private static extern IntPtr FindWindow(string lpWindowName, string lpClassName);
[DllImport("coredll.dll", EntryPoint = "ShowWindow")]
private static extern bool ShowWindow(IntPtr hwnd, int nCmdShow);
[DllImport("coredll.dll", EntryPoint = "SystemParametersInfo")]
private static extern int SystemParametersInfo(int uAction, int uParam, ref Rectangle lpvParam, int fuWinIni);

/// <summary>
/// 设置全屏或取消全屏
/// </summary>
/// <param name="fullscreen">true:全屏 false:恢复</param>
/// <param name="rectOld">设置的时候，此参数返回原始尺寸，恢复时用此参数设置恢复</param>
/// <returns>设置结果</returns>
public static bool SetFullScreen(bool fullscreen, ref Rectangle rectOld)
{
IntPtr Hwnd = FindWindow("HHTaskBar", null);
if (Hwnd == IntPtr.Zero) return false;
if (fullscreen)
{
ShowWindow(Hwnd, SW_HIDE);
Rectangle rectFull = Screen.PrimaryScreen.Bounds;
SystemParametersInfo(SPI_GETWORKAREA, 0, ref rectOld, SPIF_UPDATEINIFILE);//get
SystemParametersInfo(SPI_SETWORKAREA, 0, ref rectFull, SPIF_UPDATEINIFILE);//set
}
else
{
ShowWindow(Hwnd, SW_SHOW);
SystemParametersInfo(SPI_SETWORKAREA, 0, ref rectOld, SPIF_UPDATEINIFILE);
}
return true;
}

}
}