高分求教asp.net调用api的问题
我想在asp.net中调用发送传真的api,各位高人有什么好的建议。
现贴出部分代码
[DllImport ("SendFax.dll")]
public static extern int StartSendFax();
[DllImport ("SendFax.dll")]
public static extern void EndSendFax();
//发送传真
[DllImport ("SendFax.dll")]
public static extern int SendOfficeFax ( string FilePath, string SheetName,
string isPreview, string FaxNo, string UserName, string IDPrefix, string Email );
[DllImport("SendFax.dll")]
internal static extern int SetFaxServerInfo(string Server, int Port);
/// <summary>
/// 设置虚拟打印机名称
/// </summary>
/// <param name="Prnter">打印机的名称,小于256个字符</param>
/// <returns>返回0:成功,1:上不存的打印机,2:打印机非传真打印机</returns>
[DllImport("SendFax.dll")]
internal static extern int SetPrinerInfo(string Prnter);
现在的问题是在public static extern int SendOfficeFax ( string FilePath, string SheetName,
string isPreview, string FaxNo, string UserName, string IDPrefix, string Email );
发送传真是调用不到这个方法.各位大虾对asp.net 调用api有什么好的建议.