| private UpdateBitmap ( int device, Bitmap bitmap, uint priority ) : ReturnValue | ||
| device | int | |
| bitmap | Bitmap | |
| priority | uint | |
| return | ReturnValue | |
public void UpdateBitmap(
Bitmap bitmap,
Priority priority,
bool syncUpdate = false,
bool syncCompleteWithinFrame = false)
{
if (!Opened)
{
throw new Exception("Not opened.");
}
if (bitmap.Width != BitmapWidth || bitmap.Height != BitmapHeight)
{
throw new ArgumentException("The bitmaps dimensions do not conform.");
}
var lgBitmap = new LgLcd.Bitmap {
Format = _bitmapFormat,
Pixels = new byte[BitmapWidth * BitmapHeight * BitmapBpp],
};
var bitmapData = bitmap.LockBits(
new Rectangle(0, 0, BitmapWidth, BitmapHeight),
ImageLockMode.ReadOnly,
_pixelFormat);
Marshal.Copy(bitmapData.Scan0, lgBitmap.Pixels, 0, lgBitmap.Pixels.Length);
bitmap.UnlockBits(bitmapData);
var error = LgLcd.UpdateBitmap(
Handle,
lgBitmap,
(uint)priority
| (syncUpdate ? LgLcd.SyncUpdate : 0)
| (syncCompleteWithinFrame ? LgLcd.SyncCompleteWithinFrame : 0));
if (error != LgLcd.ReturnValue.ErrorSuccess)
{
if (error == LgLcd.ReturnValue.ErrorDeviceNotConnected)
{
throw new InvalidOperationException("The specified device has been disconnected.");
}
if (error == LgLcd.ReturnValue.ErrorAccessDenied)
{
throw new InvalidAsynchronousStateException("Synchronous operation was not displayed on the LCD within the frame interval (30 ms).");
}
throw new Win32Exception((int)error);
}
}
