public void ShowLedNULL()
{
int nResult;
LedDll.COMMUNICATIONINFO CommunicationInfo = new LedDll.COMMUNICATIONINFO(); //定义一通讯参数结构体变量用于对设定的LED通讯，具体对此结构体元素赋值说明见COMMUNICATIONINFO结构体定义部份注示
CommunicationInfo.SendType = 0; //设为固定IP通讯模式，即TCP通讯
CommunicationInfo.IpStr = configString; //给IpStr赋值LED控制卡的IP
CommunicationInfo.LedNumber = 1; //LED屏号为1，注意socket通讯和232通讯不识别屏号，默认赋1就行了，485必需根据屏的实际屏号进行赋值
int hProgram; //节目句柄
hProgram = LedDll.LV_CreateProgram(192, 64, 1); //根据传的参数创建节目句柄，64是屏宽点数，32是屏高点数，2是屏的颜色，注意此处屏宽高及颜色参数必需与设置屏参的屏宽高及颜色一致，否则发送时会提示错误
//此处可自行判断有未创建成功，hProgram返回NULL失败，非NULL成功,一般不会失败
nResult = LedDll.LV_AddProgram(hProgram, 1, 0, 1);//添加一个节目，参数说明见函数声明注示
if (nResult != 0)
{
string ErrStr;
ErrStr = LedDll.LS_GetError(nResult);
MessageBox.Show(ErrStr);
return;
}
LedDll.AREARECT AreaRect = new LedDll.AREARECT();//区域坐标属性结构体变量
AreaRect.left = 0;
AreaRect.top = 0;
AreaRect.width = 192;
AreaRect.height = 64;
LedDll.FONTPROP FontProp = new LedDll.FONTPROP();//文字属性
FontProp.FontName = "宋体";
FontProp.FontSize = 12;
FontProp.FontColor = LedDll.COLOR_RED;
FontProp.FontBold = 0;
//int nsize = System.Runtime.InteropServices.Marshal.SizeOf(typeof(LedDll.FONTPROP));
nResult = LedDll.LV_QuickAddSingleLineTextArea(hProgram, 1, 1, ref AreaRect, LedDll.ADDTYPE_STRING, " ", ref FontProp, 4); //快速通过字符添加一个单行文本区域，
nResult = LedDll.LV_Send(ref CommunicationInfo, hProgram); //发送，见函数声明注示
LedDll.LV_DeleteProgram(hProgram); //删除节目内存对象，详见函数声明注示
if (nResult != 0) //如果失败则可以调用LV_GetError获取中文错误信息
{
string ErrStr;
ErrStr = LedDll.LS_GetError(nResult);
MessageBox.Show(ErrStr);
}
else
{
//MessageBox.Show("发送成功");
}
}
/// <summary>
/// LED显示屏显示数据函数
/// </summary>
/// <param name="Words"></param>
/// <param name="Train"></param>
/// <param name="Cnumber"></param>
public void ShowLEDMessage(string Words, string Train, string Cnumber)
{
int nResult;
LedDll.COMMUNICATIONINFO CommunicationInfo = new LedDll.COMMUNICATIONINFO(); //定义一通讯参数结构体变量用于对设定的LED通讯
CommunicationInfo.SendType = 0; //设为固定IP通讯模式，即TCP通讯
CommunicationInfo.IpStr = configString; //给IpStr赋值LED控制卡的IP
CommunicationInfo.LedNumber = 1; //LED屏号为1
int hProgram; //节目句柄
hProgram = LedDll.LV_CreateProgram(192, 64, 1); //根据传的参数创建节目句柄，192是屏宽点数，64是屏高点数，1是屏的颜色(单色)
//此处可自行判断有未创建成功，hProgram返回NULL失败，非NULL成功,一般不会失败
nResult = LedDll.LV_AddProgram(hProgram, 1, 0, 1);//添加一个节目，参数说明见函数声明注示
if (nResult != 0)
{
string ErrStr;
ErrStr = LedDll.LS_GetError(nResult);
MessageBox.Show(ErrStr);
return;
}
LedDll.AREARECT AreaRect = new LedDll.AREARECT();//区域坐标属性结构体变量
AreaRect.left = 0;
AreaRect.top = 32;
AreaRect.width = 192;
AreaRect.height = 32;
LedDll.FONTPROP FontProp = new LedDll.FONTPROP();//文字属性
FontProp.FontName = "宋体";
FontProp.FontSize = 12;
FontProp.FontColor = LedDll.COLOR_RED;
FontProp.FontBold = 0;
LedDll.PLAYPROP PlayProp = new LedDll.PLAYPROP();
PlayProp.InStyle = 2;
PlayProp.Speed = 4;
//可以添加多个子项到图文区，如下添加可以选一个或多个添加
nResult = LedDll.LV_QuickAddSingleLineTextArea(hProgram, 1, 1, ref AreaRect, LedDll.ADDTYPE_STRING, Words, ref FontProp, 4);//通过字符串添加一个多行文本到图文区，参数说明见声明注示
AreaRect.left = 0;
AreaRect.top = 0;
AreaRect.width = 42;
AreaRect.height = 32;
LedDll.LV_AddImageTextArea(hProgram, 1, 2, ref AreaRect, 0);
FontProp.FontName = "宋体";
FontProp.FontSize = 12;
FontProp.FontColor = LedDll.COLOR_RED;
FontProp.FontBold = 0;
PlayProp.InStyle = 0;
//可以添加多个子项到图文区，如下添加可以选一个或多个添加
nResult = LedDll.LV_AddMultiLineTextToImageTextArea(hProgram, 1, 2, LedDll.ADDTYPE_STRING, Train, ref FontProp, ref PlayProp, 2, 1);//通过字符串添加一个多行文本到图文区，参数说明见声明注示
AreaRect.left = 58;
AreaRect.top = 0;
AreaRect.width = 66;
AreaRect.height = 32;
LedDll.DIGITALCLOCKAREAINFO DigitalClockAreaInfo = new LedDll.DIGITALCLOCKAREAINFO();
DigitalClockAreaInfo.TimeColor = LedDll.COLOR_RED;
DigitalClockAreaInfo.ShowStrFont.FontName = "宋体";
DigitalClockAreaInfo.ShowStrFont.FontSize = 12;
DigitalClockAreaInfo.IsShowHour = 1;
DigitalClockAreaInfo.IsShowMinute = 1;
DigitalClockAreaInfo.IsShowSecond = 1;
DigitalClockAreaInfo.TimeFormat = 2;
//可以添加多个子项到图文区，如下添加可以选一个或多个添加
nResult = LedDll.LV_AddDigitalClockArea(hProgram, 1, 3, ref AreaRect, ref DigitalClockAreaInfo);//注意区域号不能一样，详见函数声明注示
AreaRect.left = 140;
AreaRect.top = 5;
AreaRect.width = 28;
AreaRect.height = 22;
LedDll.LV_AddImageTextArea(hProgram, 1, 4, ref AreaRect, 0);
//可以添加多个子项到图文区，如下添加可以选一个或多个添加
nResult = LedDll.LV_AddFileToImageTextArea(hProgram, 1, 4, "test.png", ref PlayProp);
AreaRect.left = 169;
AreaRect.top = 0;
AreaRect.width = 23;
AreaRect.height = 32;
LedDll.LV_AddImageTextArea(hProgram, 1, 5, ref AreaRect, 0);
FontProp.FontName = "宋体";
FontProp.FontSize = 12;
FontProp.FontColor = LedDll.COLOR_RED;
FontProp.FontBold = 0;
PlayProp.InStyle = 0;
//可以添加多个子项到图文区，如下添加可以选一个或多个添加
nResult = LedDll.LV_AddMultiLineTextToImageTextArea(hProgram, 1, 5, LedDll.ADDTYPE_STRING, Cnumber, ref FontProp, ref PlayProp, 2, 1);//通过字符串添加一个多行文本到图文区，参数说明见声明注示
nResult = LedDll.LV_Send(ref CommunicationInfo, hProgram); //发送，见函数声明注示
LedDll.LV_DeleteProgram(hProgram); //删除节目内存对象，详见函数声明注示
if (nResult != 0) //如果失败则可以调用LV_GetError获取中文错误信息
{
string ErrStr;
ErrStr = LedDll.LS_GetError(nResult);
MessageBox.Show(ErrStr);
}
else
{
// MessageBox.Show("发送成功");
}
}