LWia::SetPropertiesCallBack

Summary

Provides error notification and allows the operation to be aborted or retried.

Syntax

#include "ltwrappr.h"

virtual L_INT LWia::SetPropertiesCallBack(PropertyID, nError, uValueType, pValue)

Parameters

L_INT PropertyID

The ID of the property that was set using the value specified in the pValue parameter.

L_INT nError

The returned error code for property being set.

L_UINT uValueType

The value type of the property. For a list of valid value types, see Microsoft's documentation of the VARENUM enumeration.

L_VOID * pValue

Void pointer to the value used to set this property.

Returns

Value	Meaning
SUCCESS	The function was successful.
< 1	An error occurred. Refer to Return Codes.

Comments

This feature is available in LEADTOOLS version 16 or higher.

Syntax

#include "ltwrappr.h"

virtual L_INT LWia::SetPropertiesCallBack(PropertyID, nError, uValueType, pValue)

Note: Be sure to enable callbacks by calling LBase::EnableCallBack (TRUE) before calling [LWia:SetPropertiesCallBack.

Required DLLs and Libraries

• LTWIA
• For a listing of the exact DLLs and Libraries needed, based on the toolkit version, refer to Files To Be Included With Your Application.

See Also

Functions

• LWia::SetProperties
• LWia::GetProperties
• LWia::InitSession
• LWia::EndSession
• Class Members

Topics

• WIA Functionality: Property Functions
• WIA Functionality: Callbacks

Example

For an example, refer to LWia::GetRootItem.