videocapx.ocx如何选择和更改视频输入设备及视频压缩编码?
videocapx.ocx如何选择和更改视频输入设备及视频压缩编码?
For F = 0 To Thisform.vcx.GetVideoDeviceCount - 1
Thisform.cboVideoDevice.AddItem (Thisform.vcx.GetVideoDeviceName(F))
Endfor
If Thisform.vcx.GetVideoDeviceCount > 0
Thisform.cboVideoDevice.ListIndex = 1
Endif
如果要枚举音频设备
同理
*!* 查找或枚举音频设备
For F = 0 To Thisform.vcx.GetProfileCount - 1
Thisform.cboAudioDevice.AddItem (Thisform.vcx.GetProfileName(F)) && + " " + Thisform.vcx.GetProfileDesc(F)
Endfor
If Thisform.cboAudioDevice.ListCount > 0
Thisform.cboAudioDevice.ListIndex = 1
Endif
我更改设备后不能切换