Gungume BLOG

string.Format(@"Value : {0}", 123);

string str = string.Format(@"function() {alert({0});}", @"Alert Message");

string str = string.Format(@"function() {{alert({0});}}", @"Alert Message");

public const Int32 WM_WINDOWPOSCHANGING = 0x0046;

[StructLayout(LayoutKind.Sequential)]
public struct WINDOWPOS
{
    public IntPtr hwnd;
    public IntPtr hwndInsertAfter;
    public int x;
    public int y;
    public int cx;
    public int cy;
    public int flags;
}
        
protected override void WndProc(ref Message m)
{
    switch(m.Msg)
    {
        case WM_WINDOWPOSCHANGING:
            SetDockWindow(this, 25, ref m);
            break;
    }
    base.WndProc(ref m);
}

private void SetDockWindow(Form form, int dockMargin, ref Message message)
{
    //현재 Form이 위치한 화면의 작업영역 가져옴(WorkingArea = 작업표시줄을 제외한 영역)
    Rectangle currentDesktopRect = (Screen.FromHandle(form.Handle)).WorkingArea;
            
    WINDOWPOS winPos = (WINDOWPOS)message.GetLParam(typeof(WINDOWPOS));

    //left
    if (Math.Abs(winPos.x - currentDesktopRect.Left) <= dockMargin)
    {
        winPos.x = currentDesktopRect.Left;
    }

    //top
    if (Math.Abs(winPos.y - currentDesktopRect.Top) <= dockMargin)
    {
        winPos.y = currentDesktopRect.Top;
    }

    //right
    if (Math.Abs(winPos.x + winPos.cx - currentDesktopRect.Left - currentDesktopRect.Width) <= dockMargin)
    {
        winPos.x = currentDesktopRect.Right - winPos.cx;
    }

    //bottom
    if (Math.Abs(winPos.y + winPos.cy - currentDesktopRect.Top - currentDesktopRect.Height) <= dockMargin)
    {
        winPos.y = currentDesktopRect.Bottom - form.Bounds.Height;
    }

    Marshal.StructureToPtr(winPos, message.LParam, false);
    message.Result = (IntPtr)0;
}