hWnd IN Window handle Return Value Return MVOK0 on (Page 146 / 388) Machine Vision Camera SDK (C)_Developer Guide_V4.0.0

Machine Vision Camera SDK (C) Developer Guide

Parameters

handle

[IN] Device handle, which is returned by MV_CC_CreateHandle or

MV_CC_CreateHandleWithoutLog .

hWnd

[IN] Window handle

Return Value

Return MV_OK(0) on success, and return Error Code on failure.

Remarks

● Call this API after MV_CC_StartGrabbing to display acquired images.

● This API is not supported by the camera with image in JPEG format.

● This API is not supported by CameraLink device.

Example

(For Windows system) The following sample code is for reference only.

#include "MvCameraControl.h"

typedef HWND (WINAPI *PROCGETCONSOLEWINDOW)();

PROCGETCONSOLEWINDOW GetConsoleWindowAPI;

void main()

{

int nRet = -1;

void* m_handle = NULL;

//Enumerate all devices corresponding to specified transport protocol

within subnet

unsigned int nTLayerType = MV_GIGE_DEVICE | MV_USB_DEVICE;

MV_CC_DEVICE_INFO_LIST m_stDevList = {0};

int nRet = MV_CC_EnumDevices(nTLayerType, &m_stDevList);

if (MV_OK != nRet)

{

printf("error: EnumDevices fail [%x]\n", nRet);

return;

}

int i = 0;

if (m_stDevList.nDeviceNum == 0)

{

printf("no camera found!\n");

return;

}

//Select the first found online device and create device handle

134