ICallback Interface Reference

An interface for callback objects which can be used to return information about progress and errors. More...

List of all members.

Public Member Functions
void	Error (string KeyOfSender, string ErrorMsg)
	A function to report the information about an error.
void	Progress (string KeyOfSender, int Percent, string Message)
	A function to report the information about progress of the task.

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Detailed Description

An interface for callback objects which can be used to return information about progress and errors.

Here is an example which demonstrates the usage of Callback.

 public void Test()
 {
     Shapefile sf = new Shapefile();
     sf.GlobalCallback = new Callback();
 }
 class Callback : ICallback
 { 
     public void Error(string KeyOfSender, string ErrorMsg)
     {
         Debug.Print("Error reported: " + ErrorMsg);
     }
     public void Progress(string KeyOfSender, int Percent, string Message)
     {
         Debug.Print(Message + ": " + Percent + "%");
     }
 }

Examples:

CreateBuffer.cs.

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Member Function Documentation

void ICallback.Error	(	string	KeyOfSender,
		string	ErrorMsg
	)

A function to report the information about an error.

Parameters:

KeyOfSender	The key associated with the object in which error took place.
ErrorMsg	The description of the error.

Examples:

CreateBuffer.cs.

void ICallback.Progress	(	string	KeyOfSender,
		int	Percent,
		string	Message
	)

A function to report the information about progress of the task.

Parameters:

KeyOfSender	The key associated with the object in which error took place.
Percent	The percent of completion (from 0 to 100).
Message	The information about the task being executed.

Examples:

CreateBuffer.cs.