CvCapturePreviewFormat Property OpenCvSharp Class Library
readonly, tricky property, returns cpnst char* indeed [CV_CAP_PROP_PREVIEW_FORMAT]

Namespace:  OpenCvSharp
Assembly:  OpenCvSharp (in OpenCvSharp.dll) Version: 1.0.0.0 (1.0.0.0)
Syntax

public string PreviewFormat { get; }

Property Value

Type: String
See Also

Reference