Method PollKey

Namespace

OpenCvSharp

Assembly

OpenCvSharp.dll

PollKey()

Polls for a pressed key without waiting. To wait until a key is pressed, use WaitKey instead. Only works if there is at least one HighGUI window created and active.

public static int PollKey()

Returns

int

Returns the code of the pressed key or -1 if no key was pressed since the last invocation.