[C#/WINFORM] 트레이 상단에 폼 위치 설정하기

■ SystemParametersInfo WIN32 API 함수를 사용해 Form 객체를 트레이 상단에 위치시키는 방법을 보여준다.

 

▶ 예제 코드 (C#)

using System.Drawing;
using System.Runtime.InteropServices;
using System.Windows.Forms;

/// <summary>
/// 사각형
/// </summary>
[StructLayout(LayoutKind.Sequential)]
public struct RECT
{
    /// <summary>
    /// 왼쪽
    /// </summary>
    public int Left;

    /// <summary>
    /// 위쪽
    /// </summary>
    public int Top;

    /// <summary>
    /// 오른쪽
    /// </summary>
    public int Right;

    /// <summary>
    /// 아래쪽
    /// </summary>
    public int Bottom;
}

/// <summary>
/// 시스템 파라미터 정보 구하기
/// </summary>
/// <param name="action">작업</param>
/// <param name="parameter">파라미터</param>
/// <param name="rect">사각형</param>
/// <param name="winINI">WIN.INI 업데이트 플래그</param>
/// <returns>처리 결과</returns>
[DllImport("user32", CharSet=CharSet.Auto, SetLastError=true)]
public static extern int SystemParametersInfo(int action, int parameter, out RECT rect, int winINI);

/// <summary>
/// SPI_GETWORKAREA
/// </summary>
private const int SPI_GETWORKAREA = 0x0030;

#region 위치 설정하기 - SetLocation(form)

/// <summary>
/// 위치 설정하기
/// </summary>
/// <param name="form">Form 객체</param>
public void SetLocation(Form form)
{
    RECT rect = new RECT();

    SystemParametersInfo(SPI_GETWORKAREA, 0, out rect, 0);

    Size size = form.Size;

    Point location = new Point(rect.Right - form.Width, rect.Bottom  - size.Height);

    form.Location = location;
}

#endregion