private void MyVideoPropertyDlg_Shown(object sender, EventArgs e) { if (m_hCapDev[0] != 0x00000000) { uint nBrightness = 0; EXPORTS.QCAP_GET_VIDEO_BRIGHTNESS(m_hCapDev[0], ref nBrightness); m_sliderBrightness.Value = (int)nBrightness; m_staticBrightness.Text = nBrightness.ToString(); uint nContrast = 0; EXPORTS.QCAP_GET_VIDEO_CONTRAST(m_hCapDev[0], ref nContrast); m_sliderContrast.Value = (int)nContrast; m_staticContrast.Text = nContrast.ToString(); uint nHue = 0; EXPORTS.QCAP_GET_VIDEO_HUE(m_hCapDev[0], ref nHue); m_sliderHue.Value = (int)nHue; m_staticHue.Text = nHue.ToString(); uint nSaturation = 0; EXPORTS.QCAP_GET_VIDEO_SATURATION(m_hCapDev[0], ref nSaturation); m_sliderSaturation.Value = (int)nSaturation; m_staticSaturation.Text = nSaturation.ToString(); uint nSharpness = 0; EXPORTS.QCAP_GET_VIDEO_SHARPNESS(m_hCapDev[0], ref nSharpness); m_sliderSharpness.Value = (int)nSharpness; m_staticSharpness.Text = nSharpness.ToString(); } }