Setting the cursor

[dolph_loe]

I use the following code to set the cursor of a window: HCURSOR cursor = theApp.LoadStandardCursor(IDC_ARROW); SetClassLongPtr(GetDlgItem(IDC_COLORDISPLAY)->GetSafeHwnd(), GCL_HCURSOR, (LONG) cursor); The problem is that I get the following compiler warning: warning C4311: 'type cast' : pointer truncation from 'HCURSOR' to 'LONG' How do I do this the right way?? Øivind

[Branislav]

Original function is: ULONG_PTR SetClassLongPtr( HWND hWnd, int nIndex, LONG_PTR dwNewLong ); That mean the you have poenter on cursor and need write: SetClassLongPtr(GetDlgItem(IDC_COLORDISPLAY)->GetSafeHwnd(), GCL_HCURSOR, (LONG_PTR) &cursor); HCURSOR is "typedef unsigned int HCURSOR" but you need poenter on address.

[dolph_loe]

With your code, I don't get any warnings, but the cursor doesn't change.. =( SetClassLongPtr(GetDlgItem(IDC_COLORDISPLAY)->GetSafeHwnd(), GCL_HCURSOR, (LONG_PTR) &cursor);

[dolph_loe]

Weee! I got it right. I only needed to cast the cursor to (LONG_PTR) and not reference it: SetClassLongPtr(GetDlgItem(IDC_COLORDISPLAY)->GetSafeHwnd(), GCL_HCURSOR, (LONG_PTR) cursor);