/// <summary>
/// 附加執行到現有的MPC-BE執行指令上
/// </summary>
/// <param name="extName">指定的副檔名 EX:".mp4"</param>
public static bool AttachMpcBeExt(string extName)
{
if (RegMethod.CheckAttached(extName))
{
return(false);
}
if (RegMethod.GetMpcBeExePath(extName) == "")
{
return(false);
}
RegMethod.CreateOldValue(extName);
RegistryKey key = RegMethod.OpenShellOpenCmdKey(extName, true);
if (key != null)
{
string oldValue = Convert.ToString(key.GetValue(""));
string launcherPath = System.IO.Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location) + "\\" + AppEnum.MPC_BE_LAUNCHER_NAME;
string newValue = String.Format("\"{0}\" {1}", launcherPath, oldValue);
key.SetValue("", newValue, RegistryValueKind.String);
key.Close();
}
else
{
return(false);
}
return(true);
}
/// <summary>
/// 移除附加的執行指令
/// </summary>
/// <param name="extName">指定的副檔名 EX:".mp4"</param>
public static bool DetachMpcBeExt(string extName)
{
if (RegMethod.GetMpcBeExePath(extName) == "")
{
return(false);
}
if (!RegMethod.CheckAttached(extName))
{
return(true);
}
string oldValue = RegMethod.GetOldValue(extName);
if (oldValue != "")
{
RegistryKey key = RegMethod.OpenShellOpenCmdKey(extName, true);
key.SetValue("", oldValue, RegistryValueKind.String);
key.Close();
RegMethod.DeleteOldValue(extName);
}
else
{
return(false);
}
return(true);
}
/// <summary>
/// 刪除已建立的舊shell open command值
/// </summary>
/// <param name="extName">指定的副檔名 EX:".mp4"</param>
public static bool DeleteOldValue(string extName)
{
bool ret = false;
RegistryKey key = RegMethod.OpenShellOpenCmdKey(extName, true);
if (key != null)
{
key.DeleteValue(RegString.REG_VALUE_NAME_OLD_VALUE, false);
ret = true;
}
return(ret);
}
/// <summary>
/// 取得附加指令前的原始指令
/// </summary>
/// <param name="extName">指定的副檔名 EX:".mp4"</param>
/// <returns></returns>
public static string GetOldValue(string extName)
{
string ret = "";
RegistryKey key = RegMethod.OpenShellOpenCmdKey(extName);
if (key != null)
{
string commandValue = Convert.ToString(key.GetValue(RegString.REG_VALUE_NAME_OLD_VALUE));
ret = commandValue;
}
key.Close();
return(ret);
}
/// <summary>
/// 複製現有的shell open command值
/// </summary>
/// <param name="extName">指定的副檔名 EX:".mp4"</param>
public static bool CreateOldValue(string extName)
{
bool ret = false;
RegistryKey key = RegMethod.OpenShellOpenCmdKey(extName, true);
if (key != null)
{
string commandValue = Convert.ToString(key.GetValue(""));
key.SetValue(RegString.REG_VALUE_NAME_OLD_VALUE, commandValue, RegistryValueKind.String);
ret = true;
}
key.Close();
return(ret);
}
/// <summary>
/// 取得指定的副檔名關聯的MPC-BE執行檔路徑
/// </summary>
/// <param name="extName">指定的副檔名 EX:".mp4"</param>
public static string GetMpcBeExePath(string extName)
{
string ret = "";
RegistryKey key = RegMethod.OpenShellOpenCmdKey(extName);
if (key != null)
{
string commandValue = Convert.ToString(key.GetValue(""));
List <string> cmds = commandValue.Split(new string[] { "\"" }, StringSplitOptions.RemoveEmptyEntries).ToList();
foreach (string s in cmds)
{
if (s.IndexOf(RegString.MPC_BE_EXE) >= 0 ||
s.IndexOf(RegString.MPC_BE_EXE_64) >= 0)
{
ret = s;
}
}
}
key.Close();
return(ret);
}
/// <summary>
/// 判斷是否已經有附加的啟動指定
/// </summary>
/// <param name="extName">指定的副檔名 EX:".mp4"</param>
public static bool CheckAttached(string extName)
{
bool ret = false;
RegistryKey key = RegMethod.OpenShellOpenCmdKey(extName, true);
if (key != null)
{
string launcherPath = System.IO.Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location) + "\\" + AppEnum.MPC_BE_LAUNCHER_NAME;
//Check attached.
string commandValue = Convert.ToString(key.GetValue(""));
List <string> cmds = commandValue.Split(new string[] { "\"" }, StringSplitOptions.RemoveEmptyEntries).ToList();
if (cmds.Count > 3)
{
if (commandValue.IndexOf(launcherPath) >= 0)
{
//Already attached.
ret = true;
}
}
}
key.Close();
return(ret);
}
