TanSanC

C# Panel DirectShow Video ScrollBar

        public System.Windows.Forms.Panel pnlVideo;

        public QuartzTypeLib.FilgraphManager m_objFilterGraph = null;

        public QuartzTypeLib.IBasicAudio m_objBasicAudio = null;

        public QuartzTypeLib.IVideoWindow m_objVideoWindow = null;

        public QuartzTypeLib.IMediaEvent m_objMediaEvent = null;

        public QuartzTypeLib.IMediaEventEx m_objMediaEventEx = null;

        public QuartzTypeLib.IMediaPosition m_objMediaPosition = null;

        public QuartzTypeLib.IMediaControl m_objMediaControl = null;

         m_objVideoWindow.SetWindowPosition(pnlVideo.ClientRectangle.Left,

                        pnlVideo.ClientRectangle.Top,

                        pnlVideo.ClientRectangle.Height * (int)videoResolutionRate,

                        pnlVideo.ClientRectangle.Height);

m_objVideoWindow shows the video at original rate

1. ScrollBar Padding 20px

                    m_objVideoWindow.SetWindowPosition(pnlVideo.ClientRectangle.Left,

                        pnlVideo.ClientRectangle.Top,

                        (pnlVideo.ClientRectangle.Height - 20) * (int)videoResolutionRate,

                        pnlVideo.ClientRectangle.Height - 20);

2. Size and Scroll Bar Enable

                pnlVideo.HorizontalScroll.Visible = true;

                pnlVideo.AutoScroll = true;

                pnlVideo.MaximumSize = new Size(this.ClientSize.Width, this.ClientSize.Height - 80);

                pnlVideo.AutoScrollMinSize = new Size((int)UserControl1.videoResolutionRate * (this.ClientSize.Height - 80), this.ClientSize.Height - 80);

                pnlVideo.ClientSize = new Size(this.ClientSize.Width, this.ClientSize.Height - 80);

                pnlVideo.Size = new Size(this.ClientSize.Width, this.ClientSize.Height - 80);