Retrieves the number of user actions that can be reversed using the LAnnAutomation::Undo function.
#include "ltwrappr.h"
virtual L_INT LAnnAutomation::GetUndoDepth(puUsedLevels, puMaxLevels)
Address of a variable to be updated with the number or user actions that can be reversed using LAnnAutomation::Undo. This number will be between 0 and the number retrieved in puMaxLevels.
Address of a variable to be updated with the maximum number of user actions that can be undone using LAnnAutomation::Undo. This is the value that was set using LAnnAutomation::SetUndoDepth.
Value | Meaning |
---|---|
SUCCESS | The function was successful. |
< 1 | An error occurred. Refer to Return Codes. |
If puUsedLevels is updated with a value of 0, no user actions can be undone using the LAnnAutomation::Undo function.
Win32, x64.
This example uses the following member variables:
m_AnnotationWindow should be created and initialized prior to the example
L_INT LAnnAutomation_GetUndoDepthExample(LAnnotationWindow m_AnnotationWindow)
{
L_INT nRet;
L_UINT uUsedLevels, uMaxLevels;
L_TCHAR szMsg[100];
nRet = m_AnnotationWindow.GetAutomationObject().GetUndoDepth(&uUsedLevels, &uMaxLevels);
if(nRet != SUCCESS)
return nRet;
wsprintf(szMsg,TEXT("UsedLevels[%d]\nMaxLevels[%d]"), uUsedLevels, uMaxLevels);
AfxMessageBox(szMsg);
return SUCCESS;
}
Help Collections
Raster .NET | C API | C++ Class Library | HTML5 JavaScript
Document .NET | C API | C++ Class Library | HTML5 JavaScript
Medical .NET | C API | C++ Class Library | HTML5 JavaScript
Medical Web Viewer .NET
Multimedia
Direct Show .NET | C API | Filters
Media Foundation .NET | C API | Transforms
Supported Platforms
.NET, Java, Android, and iOS/macOS Assemblies
Imaging, Medical, and Document
C API/C++ Class Libraries
Imaging, Medical, and Document
HTML5 JavaScript Libraries
Imaging, Medical, and Document
Your email has been sent to support! Someone should be in touch! If your matter is urgent please come back into chat.
Chat Hours:
Monday - Friday, 8:30am to 6pm ET
Thank you for your feedback!
Please fill out the form again to start a new chat.
All agents are currently offline.
Chat Hours:
Monday - Friday
8:30AM - 6PM EST
To contact us please fill out this form and we will contact you via email.