Method WaitKeyEx

Namespace

OpenCvSharp

Assembly

OpenCvSharp.dll

WaitKeyEx(int)

Waits for a pressed key. Similar to #waitKey, but returns full key code. Key code is implementation specific and depends on used backend: QT/GTK/Win32/etc

public static int WaitKeyEx(int delay = 0)

Parameters

delay int

Delay in milliseconds. 0 is the special value that means ”forever”

Returns

int

Returns the code of the pressed key or -1 if no key was pressed before the specified time had elapsed.