public void EnsureVisibleRectTest()
{
foreach (Screen scrn in Screen.AllScreens)
{
// We want to skip a screen if it is vitual
if (ScreenHelper.ScreenIsVirtual(scrn))
{
continue;
}
Rectangle realScreenArea = ScreenHelper.AdjustedWorkingArea(scrn);
// Make test rectangle half the height and width of the screen's working area.
Rectangle rcAdjusted = scrn.WorkingArea;
rcAdjusted.Width /= 2;
rcAdjusted.Height /= 2;
// Move rectangle so right edge is off the screen and test that our rectangle
// comes back fully contained within the screen.
rcAdjusted.X = scrn.WorkingArea.Right - rcAdjusted.Width + 15;
ScreenHelper.EnsureVisibleRect(ref rcAdjusted);
Assert.IsTrue(realScreenArea.Contains(rcAdjusted),
"Right edge test failed:" + scrn.DeviceName);
// Move rectangle so bottom edge is off the screen and test that our rectangle
// comes back fully contained within the screen.
rcAdjusted.Y = scrn.WorkingArea.Bottom - rcAdjusted.Height + 15;
ScreenHelper.EnsureVisibleRect(ref rcAdjusted);
Assert.IsTrue(realScreenArea.Contains(rcAdjusted),
"Bottom edge test failed: " + scrn.DeviceName);
// Move rectangle so right and bottom edges are off the screen and test that
// our rectangle comes back fully contained within the screen.
rcAdjusted.X = scrn.WorkingArea.Right - rcAdjusted.Width + 15;
rcAdjusted.Y = scrn.WorkingArea.Bottom - rcAdjusted.Height + 15;
ScreenHelper.EnsureVisibleRect(ref rcAdjusted);
Assert.IsTrue(realScreenArea.Contains(rcAdjusted),
"Right & bottom edge test failed: " + scrn.DeviceName);
// Move rectangle so left edge is off the screen and test that
// our rectangle comes back fully contained within the screen.
rcAdjusted.X = scrn.Bounds.Left - 15;
ScreenHelper.EnsureVisibleRect(ref rcAdjusted);
Assert.IsTrue(realScreenArea.Contains(rcAdjusted),
"Left edge test failed: " + scrn.DeviceName);
// Move rectangle so top edge is off the screen and test that our
// rectangle comes back fully contained within the screen.
rcAdjusted.Y = scrn.Bounds.Top - 15;
ScreenHelper.EnsureVisibleRect(ref rcAdjusted);
Assert.IsTrue(realScreenArea.Contains(rcAdjusted),
"Top edge test failed: " + scrn.DeviceName);
// Move rectangle so left and top edges are off the screen and test that
// our rectangle comes back fully contained within the screen.
rcAdjusted.X = scrn.Bounds.Left - 15;
rcAdjusted.Y = scrn.Bounds.Top - 15;
ScreenHelper.EnsureVisibleRect(ref rcAdjusted);
Assert.IsTrue(realScreenArea.Contains(rcAdjusted),
"Left & top edge test failed: " + scrn.DeviceName);
// Make rectangle larger than the screen and move it up and to the left of
// the top, left corner. Then verify that it shrinks and gets moved to fit
// exactly in the screen's working area.
rcAdjusted = scrn.WorkingArea;
rcAdjusted.Inflate(100, 100);
ScreenHelper.EnsureVisibleRect(ref rcAdjusted);
Assert.AreEqual(realScreenArea, rcAdjusted,
"Shrink Rectangle to working area test failed: ");
}
}
