/// <summary>
/// 获取打印机驱动名称
/// </summary>
/// <param name="printname"></param>
/// <returns></returns>
public static string GetPrintDirName(string printname)
{
uint pcbNeeded = 0;
uint pcReturne = 0;
var pAddr = Marshal.AllocHGlobal((int)pcbNeeded);
var ret = WinApiHepler.EnumPrintersA(PrinterEnumFlags.PrinterEnumLocal, null, 2, pAddr, pcbNeeded,
ref pcbNeeded, ref pcReturne);
if (!ret)
{
return("");
}
var info2 = new PrintDeviceStruct.PrinterInfo2[pcReturne];
var offset = pAddr.ToInt32();
var temp = string.Empty;
for (var i = 0; i < pcReturne; i++)
{
info2[i] =
(PrintDeviceStruct.PrinterInfo2)
Marshal.PtrToStructure(new IntPtr(offset), typeof(PrintDeviceStruct.PrinterInfo2));
offset += Marshal.SizeOf(typeof(PrintDeviceStruct.PrinterInfo2));
if (info2[i].pPrinterName == printname)
{
temp = info2[i].pDriverName;
}
}
return(temp);
}
/// <summary>
/// 内存释放
/// </summary>
public static void FlushMemory()
{
GC.Collect();
GC.WaitForPendingFinalizers();
if (Environment.OSVersion.Platform == PlatformID.Win32NT)
{
WinApiHepler.SetProcessWorkingSetSize(Process.GetCurrentProcess().Handle, -1, -1);
}
}
/// <summary>
/// INI读取 使用前先调用void Ini 赋值路径
/// </summary>
/// <param name="section">配置节</param>
/// <param name="key">键名</param>
/// <returns>返回读取值</returns>
public string ReadValue(string section, string key)
{
// 每次从ini中读取多少字节
StringBuilder temp = new StringBuilder(255);
// section=配置节，key=键名，temp=上面，path=路径
WinApiHepler.GetPrivateProfileString(section, key, "", temp, 255, InIsPath);
return(temp.ToString());
}
private void Errorlog(int error)
{
var errorText = new StringBuilder(50);
WinApiHepler.mciGetErrorString(error, errorText, errorText.Capacity);
if (EventAudioplayerror == null)
{
return;
}
EventAudioplayerror(errorText.ToString());
}
public AudioModel(string file, string alias, object data)
{
PlayFile = file;
AliasMovie = alias;
SourceData = data;
FileName = System.IO.Path.GetFileNameWithoutExtension(file);
var shortpath = new StringBuilder(255);
WinApiHepler.GetShortPathName(PlayFile, shortpath, shortpath.Capacity);
ShortPath = shortpath.ToString();
}
/// <summary>
/// INI读取预设值比较返回true false
/// </summary>
/// <param name="section">配置节</param>
/// <param name="key">键名</param>
/// <param name="comparedvalue">预设值</param>
/// <returns>返回bool</returns>
public bool ReadValue(string section, string key, string comparedvalue)
{
// 每次从ini中读取多少字节
StringBuilder temp = new StringBuilder(255);
// section=配置节，key=键名，temp=上面，path=路径
WinApiHepler.GetPrivateProfileString(section, key, "", temp, 255, InIsPath);
if (temp.ToString() != comparedvalue)
{
return(false);
}
return(true);
}
/// <summary>
/// 执行指令
/// </summary>
/// <param name="order">指令</param>
/// <param name="returnString">需要返回的数据</param>
/// <param name="returnsize">返回数据大小</param>
/// <returns></returns>
private bool DoOrder(string order, StringBuilder returnString, int returnsize)
{
var error = WinApiHepler.mciSendString(order, returnString, returnsize, new IntPtr());
if (IsDisplsed)
{
return(false);
}
if (error == 0)
{
return(true);
}
Errorlog(error);
return(false);
}
/// <summary>
/// INI写入 使用前先调用void Ini 赋值路径
/// </summary>
/// <param name="section">配置节</param>
/// <param name="key">键名</param>
/// <param name="value">值</param>
public void Write(string section, string key, string value)
{
// section=配置节，key=键名，value=键值，path=路径
WinApiHepler.WritePrivateProfileString(section, key, value, InIsPath);
}
/// <summary>
/// 设置默认打印机
/// </summary>
/// <param name="name">打印机名称</param>
/// <returns></returns>
public static bool SettingDefaultPrinter(string name)
{
return(WinApiHepler.SetDefaultPrinter(name));
}