L_ILM_GETSELOPTIONS

Send this message to get the ImageList Control's current selection options.

Parameter	Description
wParam	Ignored, use 0.
lParam	Pointer to an LILSELOPTION structure to be filled with the current options.

Returns

SUCCESS	Function was successful.
< 0	An error occurred. Refer to Return Codes.

Comments

The structure pointed to by lParam will be updated with the ImageList Control's current options.
You must set the uStructSize member of the LILSELOPTION structure before using this message.

The default selection options are:

uAllowSelection	ALLOWSELECTION_NONE
uSelectionStyle	SELECTIONSTYLE_SELECTCOLOR
crSelection	RGB(0,0,255)

The associated macro is:

L_ImgListGetSelOptions(hWnd, pSelOptions)

For a complete list of available macros, refer to the Ltlst.h file.

Example

L_INT ILM_GETSELOPTIONSExample(HWND hCtrl) 
{ 
   if(IsWindow(hCtrl)) 
   { 
      LILSELOPTION Opt; /* selection options structure */ 
      L_INT nRet; 
      /* get current selection options */ 
      Opt.uStructSize = sizeof(LILSELOPTION); 
      nRet = (L_INT)SendMessage(hCtrl, L_ILM_GETSELOPTIONS, 0, (LPARAM)&Opt); 
      /* now, set some new options */ 
      if(Opt.uAllowSelection != ALLOWSELECTION_MULTI) 
         Opt.uAllowSelection = ALLOWSELECTION_MULTI; 
      Opt.uSelectionStyle = SELECTIONSTYLE_SELECTCOLOR; 
      Opt.crSelection     = RGB(0,255,0); 
      nRet = (L_INT)SendMessage(hCtrl, L_ILM_SETSELOPTIONS, 0, (LPARAM)&Opt); 
      /* update the control */ 
      RedrawWindow(hCtrl, NULL, NULL, RDW_INVALIDATE | RDW_UPDATENOW | RDW_ERASE); 
      return nRet; 
   } 
   else 
      return ERROR_INVALID_PARAMETER; 
}

Help Version 19.0.2017.10.27

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LEADTOOLS Raster Imaging C API Help

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LEADTOOLS Raster Imaging Features

Redistributables/Files To Be Included With Your Application

Elements:	L_ILM_SETSELOPTIONS, L_ILM_GETITEMOPTIONS, L_ILM_SETITEMOPTIONS
Topics:	Using the ImageList Control
	Image List Control Messages