Gungume BLOG

// Use PhoneDarkThemeVisibility
Visibility visibilityDark = (Visibility)Application.Current.Resources["PhoneDarkThemeVisibility"];
if (visibilityDark == Visibility.Visible)
{
    // Dark theme
}
else if (visibilityDark == Visibility.Collapsed)
{
    // Light theme
}

// Use PhoneLightThemeVisibility
Visibility visibilityLight = (Visibility)Application.Current.Resources["PhoneLightThemeVisibility"];
if (visibilityLight == Visibility.Collapsed)
{
    // Dark theme
}
else if (visibilityLight == Visibility.Visible)
{
    // Light theme
}

// Use PhoneLightThemeOpacity
double opacityDark = (double)Application.Current.Resources["PhoneDarkThemeOpacity"];
if (opacityDark == 1.0)
{
    // Dark theme
}
else if (opacityDark == 0.0)
{
    // Light theme
}

// Use PhoneLightThemeOpacity
double opacityLight = (double)Application.Current.Resources["PhoneLightThemeOpacity"];
if (opacityLight == 0.0)
{
    // Dark theme
}
else if (opacityLight == 1.0)
{
    // Light theme
}

// Use PhoneForegroundColor
Color colorForeground = (Color)Application.Current.Resources["PhoneForegroundColor"];
if (colorForeground.ToString() == "#FFFFFFFF")
{
    // Dark theme
}
else if (colorForeground.ToString() == "#DE000000")
{
    // Light theme
}

// Use PhoneBackgroundColor
Color colorBackground = (Color)Application.Current.Resources["PhoneBackgroundColor"];
if (colorBackground.ToString() == "#FF000000")
{
    // Dark theme
}
else if (colorBackground.ToString() == "#FFFFFFFF")
{
    // Light theme
}

//Get background color
Color themeBackColor = (Color)Application.Current.Resources["PhoneBackgroundColor"];

//Get foreground color
Color themeForeColor = (Color)Application.Current.Resources["PhoneForegroundColor"];

//Get accent color
Color accentColor = (Color)Application.Current.Resources["PhoneAccentColor"];

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;
}