In This Topic ▼

LBitmapWindow::SetCursor

Summary

Sets the cursor for the specified tool type.

Syntax

#include "ltwrappr.h"

virtual HCURSOR LBitmapWindow::SetCursor(hCursor, uToolType = TOOL_USERMODE)

Parameters

HCURSOR hCursor

Handle to the cursor to be used for the specified tool type. This HCURSOR must remain valid until it is no longer needed. No copy is made. Specify NULL to reset the cursor for all tool types to the default cursors.

L_UINT uToolType

Flag that indicates the tool type for which the new cursor will be used. Possible values are:

Value	Meaning
TOOL_PANIMAGE	Set the cursor for the Pan tool.
TOOL_ZOOMRECT	Set the cursor for the Zoom To Rect tool.
TOOL_ZOOM_ON_MOUSECLICK	Set the cursor for the Zoom On Mouse Click tool.
TOOL_REGION	Set the cursor for the Region tool.
0	Set the cursor for the window.

Returns

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

Comments

Specify NULL to reset the cursor for all tool types to the default cursors.

Required DLLs and Libraries

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

Platforms

Win32, x64.

Example

class MyTestBitmapWindow : public LBitmapWindow { 
protected: 
   virtual L_BOOL OnSetCursor(HWND /*hWnd*/, L_UINT /*nHitTest*/, L_UINT /*message*/) 
   { 
      return L_TRUE; 
   } 
}; 
 
L_INT LBitmapWindow__SetCursorExample(HWND hWndParent) 
{ 
   L_INT nRet; 
   MyTestBitmapWindow LeadBitmapWnd ; 
 
   nRet = LeadBitmapWnd.Load(MAKE_IMAGE_PATH(TEXT("IMAGE1.CMP"))); 
   if(nRet !=SUCCESS) 
      return nRet; 
 
   if (LeadBitmapWnd.CreateWnd(hWndParent, TRUE, 0, 0, 100, 100) == NULL) 
      return FAILURE; 
 
   LeadBitmapWnd.EnableCallBack(L_TRUE); 
 
   HCURSOR hCursor; 
   hCursor = LeadBitmapWnd.SetCursor(LoadCursor(NULL, IDC_ARROW), TOOL_MAGGLASS); 
 
   return SUCCESS; 
}