Send this message to query the ImageList Control for the index of the item at the specified location.
Ignored, use 0.
Pointer to a POINT structure containing the location to query.
Value | Meaning |
---|---|
>=0 | The index of the item at the specified location |
< 0 | An error occurred, refer to Return Codes. |
This message will return the 0 based index of the item at the specified location, if one exists.
The location is in MM_TEXT mapping mode (pixels), and is relative to the client area of the control's window.
The associated macro is:
For a complete list of available macros, refer to the Ltlst.h file.
L_INT ILM_HITTESTExample(HWND hCtrl)
{
if(IsWindow(hCtrl))
{
LRESULT lRet;
L_TCHAR szText[200];
POINT pt;
/* check a location for an item */
pt.x = 80;
pt.y = 100;
lRet = SendMessage(hCtrl, L_ILM_HITTEST, 0, (LPARAM)&pt);
if(lRet >= 0)
{
wsprintf(szText, TEXT("Item: %ld"), lRet);
MessageBox(hCtrl, szText, TEXT("HitTest"), MB_OK);
}
else
MessageBox(hCtrl, TEXT("None"), TEXT("HitTest"), MB_OK);
return SUCCESS;
}
else
return ERROR_INVALID_PARAMETER;
}
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.