13 writes to _busy
System.Drawing.Common (13)
System\Drawing\BufferedGraphicsContext.cs (13)
101int oldBusy = Interlocked.CompareExchange(ref _busy, BufferBusyPainting, BufferFree); 138_busy = BufferFree; 307_busy = BufferBusyDisposing; 309_busy = BufferBusyPainting; 318_busy = BufferBusyDisposing; 320_busy = BufferBusyPainting; 460int oldBusy = Interlocked.CompareExchange(ref _busy, BufferBusyDisposing, BufferFree); 482_busy = BufferFree; 490int oldBusy = Interlocked.CompareExchange(ref _busy, BufferBusyDisposing, BufferFree); 496_busy = BufferFree; 514_busy = BufferBusyDisposing; 520_busy = BufferBusyDisposing; 526_busy = BufferFree;