#include "ltwrappr.h"
static L_VOID LBase::DisplayError (hWndParent, lpszStr)
static L_VOID LBase::DisplayError (hWndParent, nErrorCode)
HWND hWndParent; |
handle to the parent window |
L_TCHAR * lpszStr; |
pointer to the error string |
L_INT nErrorCode; |
a LEADTOOLS error code |
Displays an error string.
Parameter |
Description |
hWndParent |
Window handle to the parent window of the message box. |
lpszStr |
Pointer to the error string to be displayed in the message box. |
nErrorCode |
One of the LEADTOOLS error codes. If you specify an invalid error code, the message displayed will be "Not a LEADTOOLS error code". |
None
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
LTKRN For a listing of the exact DLLs and Libraries needed, based on the toolkit version, refer to Files To Be Included With Your Application. |
Win32, x64.
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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