 | Cv2WaitKeyEx Method |
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
Namespace: OpenCvSharp
Assembly: OpenCvSharp (in OpenCvSharp.dll) Version: 1.0.0
Syntaxpublic static int WaitKeyEx( int delay = 0 )
Public Shared Function WaitKeyEx ( Optional delay As Integer = 0 ) As Integer
public: static int WaitKeyEx( int delay = 0 )
static member WaitKeyEx : ?delay : int (* Defaults: let _delay = defaultArg delay 0 *) -> int
Parameters
- delay (Optional)
- Type: SystemInt32
Delay in milliseconds. 0 is the special value that means ”forever”
Return Value
Type: Int32Returns the code of the pressed key or -1 if no key was pressed before the specified time had elapsed.
See Also