/// <summary>
/// Indicate if the window is snapped or not on the given monitor
/// </summary>
/// <param name="location"></param>
/// <param name="monitor"></param>
/// <returns>True when window is snapped, false otherwise</returns>
private static bool IsSnapped(ref Rect location, Monitor monitor)
{
// Otherwise, use the standard snap detection
SnapBounds bounds = GetBounds(ref location, monitor);
double windowHeight = location.Height;
double workHeight = monitor.Work.Height;
double displayHeight = monitor.Display.Height;
// For corner snap, must take possible rounding into account
double loHalfWorkHeight = Math.Floor(workHeight / 2.0d);
double loHalfDisplayHeight = Math.Floor(displayHeight / 2.0d);
double hiHalfWorkHeight = Math.Ceiling(workHeight / 2.0d);
double hiHalfDisplayHeight = Math.Ceiling(displayHeight / 2.0d);
// Maximized (top, left, bottom right)
// Vertical snap (top, bottom)
// Vertical left snap (top, bottom, left)
// Vertical right snap (top, bottom, right)
// Corner snap (top left, top right, bottom left, bottom right)
if (windowHeight == workHeight ||
windowHeight == displayHeight ||
windowHeight == loHalfWorkHeight ||
windowHeight == loHalfDisplayHeight ||
windowHeight == hiHalfWorkHeight ||
windowHeight == hiHalfDisplayHeight)
{
return(bounds != SnapBounds.None);
}
return(false);
}
/// <summary>
/// Obtain the corresponding snapped bounds of the window
/// </summary>
/// <param name="location"></param>
/// <param name="monitor"></param>
/// <returns>The snapped bounds</returns>
private static SnapBounds GetBounds(ref Rect location, Monitor monitor)
{
SnapBounds bounds = SnapBounds.None;
Monitor.Area work = monitor.Work;
Monitor.Area display = monitor.Display;
double left = location.Left;
double top = location.Top;
double right = location.Right;
double bottom = location.Bottom;
// TOP
if (top == work.Top ||
top == display.Top)
{
bounds |= SnapBounds.Top;
}
// LEFT
if (left == work.Left ||
left == display.Left)
{
bounds |= SnapBounds.Left;
}
// RIGHT
if (right == work.Right ||
right == display.Right)
{
bounds |= SnapBounds.Right;
}
// BOTTOM
if (bottom == work.Bottom ||
bottom == display.Bottom)
{
bounds |= SnapBounds.Bottom;
}
return(bounds);
}
