public void SetWorkArea(AppBarScreen screen)
{
double dpiScale = 1;
Rect rc = GetWorkArea(ref dpiScale, screen, false, true);
SystemParametersInfo((int)SPI.SETWORKAREA, 1, ref rc, (uint)(SPIF.UPDATEINIFILE | SPIF.SENDWININICHANGE));
}
public double GetAppBarEdgeWindowsHeight(AppBarEdge edge, AppBarScreen screen)
{
double edgeHeight = 0;
double dpiScale = 1;
Rect workAreaRect = GetWorkArea(ref dpiScale, screen, true, true);
switch (edge)
{
case AppBarEdge.Top:
edgeHeight += (workAreaRect.Top - screen.Bounds.Top) / dpiScale;
break;
case AppBarEdge.Bottom:
edgeHeight += (screen.Bounds.Bottom - workAreaRect.Bottom) / dpiScale;
break;
case AppBarEdge.Left:
edgeHeight += (workAreaRect.Left - screen.Bounds.Left) / dpiScale;
break;
case AppBarEdge.Right:
edgeHeight += (screen.Bounds.Right - workAreaRect.Right) / dpiScale;
break;
}
return(edgeHeight);
}
public Rect GetWorkArea(ref double dpiScale, AppBarScreen screen, bool edgeBarsOnly, bool enabledBarsOnly)
{
double topEdgeWindowHeight = 0;
double bottomEdgeWindowHeight = 0;
double leftEdgeWindowWidth = 0;
double rightEdgeWindowWidth = 0;
Rect rc;
// get appropriate windows for this display
foreach (var window in AppBars)
{
if (window.Screen.DeviceName == screen.DeviceName)
{
if ((window.EnableAppBar || !enabledBarsOnly) && (window.RequiresScreenEdge || !edgeBarsOnly))
{
if (window.AppBarEdge == AppBarEdge.Top)
{
topEdgeWindowHeight += window.ActualHeight;
}
else if (window.AppBarEdge == AppBarEdge.Bottom)
{
bottomEdgeWindowHeight += window.ActualHeight;
}
else if (window.AppBarEdge == AppBarEdge.Left)
{
leftEdgeWindowWidth += window.ActualWidth;
}
else if (window.AppBarEdge == AppBarEdge.Right)
{
rightEdgeWindowWidth += window.ActualWidth;
}
}
dpiScale = window.DpiScale;
}
}
rc.Top = screen.Bounds.Top + (int)(topEdgeWindowHeight * dpiScale);
rc.Bottom = screen.Bounds.Bottom - (int)(bottomEdgeWindowHeight * dpiScale);
rc.Left = screen.Bounds.Left + (int)(leftEdgeWindowWidth * dpiScale);
rc.Right = screen.Bounds.Right - (int)(rightEdgeWindowWidth * dpiScale);
return(rc);
}