public bool TryRestoreResolution(DisplayDevice device)
{
IntPtr display = displayMap[device];
if (storedModes.ContainsKey(display))
{
Debug.Print("Restoring resolution.");
CG.CGDisplaySwitchToMode(display, storedModes[display]);
CG.CGDisplayRelease(display);
displaysCaptured.Remove(display);
return(true);
}
return(false);
}
public bool TryChangeResolution(DisplayDevice device, DisplayResolution resolution)
{
IntPtr display = displayMap[device];
IntPtr currentModePtr = CG.CGDisplayCurrentMode(display);
if (!storedModes.ContainsKey(display))
{
storedModes.Add(display, currentModePtr);
}
IntPtr displayModesPtr = CG.CGDisplayAvailableModes(display);
CFArray displayModes = new CFArray(displayModesPtr);
for (int j = 0; j < displayModes.Count; j++)
{
CFDictionary dict = new CFDictionary(displayModes[j]);
int width = (int)dict.GetNumberValue("Width");
int height = (int)dict.GetNumberValue("Height");
int bpp = (int)dict.GetNumberValue("BitsPerPixel");
double freq = dict.GetNumberValue("RefreshRate");
if (width == resolution.Width && height == resolution.Height &&
bpp == resolution.BitsPerPixel && Math.Abs(freq - resolution.RefreshRate) < 1e-6)
{
if (!displaysCaptured.Contains(display))
{
CG.CGDisplayCapture(display);
}
Debug.Print("Changing resolution to {0}x{1}x{2}@{3}.", width, height, bpp, freq);
CG.CGDisplaySwitchToMode(display, displayModes[j]);
return(true);
}
}
return(false);
}