Windows窗体应用程序中的视频暂停编码 [英] video pause coding in windows form application

问题描述

如何在Windows窗体应用程序的暂停按钮中编写源代码。

这是我的视频播放按钮代码

 CleanUp（） ; 
 
 m_objFilterGraph =  new  FilgraphManager（）; 
  string  strFileName = DBUtils.ImagePath +   \\ + strFolderName +   \\ + txtFileID.Text .Trim（）+  。AVI; 
  if （File.Exists（strFileName））
 {
  try  
 {
 
 m_objFilterGraph.RenderFile（strFileName）; 
} 
  catch （Exception ex）
 {
 MessageBox.Show（ex.Message.Trim（））; 
} 
 
 m_objBasicAudio = m_objFilterGraph  as  IBasicAudio; 
 
 尝试 
 {
 m_objVideoWindow = m_objFilterGraph  as  IVideoWindow; 
 m_objVideoWindow.Owner =（ int ）panel2.Handle; 
 m_objVideoWindow.WindowStyle = WS_CHILD | WS_CLIPCHILDREN; 
 m_objVideoWindow.SetWindowPosition（panel2.ClientRectangle.Left，
 panel2.ClientRectangle.Top，
 panel2.ClientRectangle.Width，
 panel2.ClientRectangle.Height）; 
} 
  catch （例外）
 {
 m_objVideoWindow =  null < /跨度>; 
} 
 
 m_objMediaEvent = m_objFilterGraph  as  IMediaEvent; 
 
 m_objMediaEventEx = m_objFilterGraph  as  IMediaEventEx; 
 m_objMediaEventEx.SetNotifyWindow（（ int ） this  .Handle，WM_GRAPHNOTIFY， 0 ）; 
 
 m_objMediaPosition = m_objFilterGraph  as  IMediaPosition; 
 
 m_objMediaControl = m_objFilterGraph  as  IMediaControl; 
 
 
 m_objMediaControl.Run（）; 
 tabCtrlImage.SelectedTab = tbVideo; 
 tbVideo.Focus（）; 
} 
  else  
  return ; 
 
} 

任何机构告诉如何在暂停按钮中编写代码。

解决方案

< blockquote>可能是..

 m_objMediaControl.Pause（）

但是我猜对了，我不知道你的m_objMediaCOntrol来自



我认为你会编写像

 long my_State; 
 m_objMediaControl.GetState（1000，my_State）; 
 if（my_State == State_Paused）
 {
 m_objMediaControl.Run（）; 
} 
其他
 {
 m_objMediaControl.Pause（）; 
} 

How to write source code in pause button for windows form application.
This is my video play button code

CleanUp();

            m_objFilterGraph = new FilgraphManager();
            string strFileName = DBUtils.ImagePath + "\\" + strFolderName + "\\" + txtFileID.Text.Trim() + ".AVI";
            if (File.Exists(strFileName))
            {
                try
                {

                    m_objFilterGraph.RenderFile(strFileName);
                }
                catch (Exception ex)
                {
                    MessageBox.Show(ex.Message.Trim());
                }

                m_objBasicAudio = m_objFilterGraph as IBasicAudio;

                try
                {
                    m_objVideoWindow = m_objFilterGraph as IVideoWindow;
                    m_objVideoWindow.Owner = (int)panel2.Handle;
                    m_objVideoWindow.WindowStyle = WS_CHILD | WS_CLIPCHILDREN;
                    m_objVideoWindow.SetWindowPosition(panel2.ClientRectangle.Left,
                        panel2.ClientRectangle.Top,
                        panel2.ClientRectangle.Width,
                        panel2.ClientRectangle.Height);
                }
                catch (Exception)
                {
                    m_objVideoWindow = null;
                }

                m_objMediaEvent = m_objFilterGraph as IMediaEvent;

                m_objMediaEventEx = m_objFilterGraph as IMediaEventEx;
                m_objMediaEventEx.SetNotifyWindow((int)this.Handle, WM_GRAPHNOTIFY, 0);

                m_objMediaPosition = m_objFilterGraph as IMediaPosition;

                m_objMediaControl = m_objFilterGraph as IMediaControl;


                m_objMediaControl.Run();
                tabCtrlImage.SelectedTab = tbVideo;
                tbVideo.Focus();
            }
            else
                return;

        }

any body tell how to write coding in pause button.

解决方案

It may be ..

m_objMediaControl.Pause()

but Im taking a guess, I dont know your m_objMediaCOntrol is derived from

I would think you would code something like

long my_State;
m_objMediaControl.GetState(1000, my_State);
if (my_State == State_Paused)
{
    m_objMediaControl.Run();
}
else 
{
    m_objMediaControl.Pause();
}

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