LBase::DisplayError

Summary

Displays an error string.

Syntax

#include "ltwrappr.h"

static L_VOID LBase::DisplayError (hWndParent, lpszStr)

static L_VOID LBase::DisplayError (hWndParent, nErrorCode)

Parameters

HWND hWndParent

Window handle to the parent window of the message box.

L_TCHAR * lpszStr

Pointer to the error string to be displayed in the message box.

L_INT nErrorCode

One of the LEADTOOLS error codes. If you specify an invalid error code, the message displayed will be "Not a LEADTOOLS error code".

Returns

None.

Comments

Call DisplayError (hWndParent, lpStr) to display your own error string. This function calls the windows MessageBox() function to display the specified error string. The internal error list maintains a running list of the errors that have occurred in the LEADTOOLS C++ Class Library functions.

Call DisplayError (hWndParent, nErrorCode) to display the error string for the specified LEADTOOLS error code.

Required DLLs and Libraries

Platforms

Win32, x64.

See Also

Example

L_INT LBase__DisplayErrorExample(HWND hWndParent) 
 
{ 
	L_INT nRet; 
   LBitmap MyBitmap; 
 
 
 
   nRet = MyBitmap.Load(MAKE_IMAGE_PATH(TEXT("Image1.cmp"))); 
	if(nRet != SUCCESS) 
		return nRet; 
 
   nRet=MyBitmap.AddNoise();       
   if(nRet!=SUCCESS) 
	{ 
		LBase::DisplayError(hWndParent, LBase::GetErrorString(nRet)); 
		return nRet; 
	} 
 
	return SUCCESS; 
}
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