This method update the value of "Cur_Value" to reflect a mouse wheel scroll.
Syntax
unsigned long Scroll(
int val
) ;
Parameters
val
Number of scroll clicks.
Return value
return the new value of the color define by the tool.
Remarks
Both the value of "Cur_Value" and the graphics are updated by this method.
Requirements
Header:
TomoVision_Util.hpp
TomoVision_Tools.hpp
Library:
TomoVision_Util.lib
TomoVision_Tools.lib
Example
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static Color_Edit demo ;
extern "C" __declspec(dllexport) int Ctrl_Scroll( HWND wnd, int count, short x, short y )
{
if ( demo.Select( KEY_QUERY ) ) {
unsigned int color = demo.Scroll(count) ;
unsigned char red = RED_BYTE(color) ;
unsigned char grn = GRN_BYTE(color) ;
unsigned char blu = BLU_BYTE(color) ;
Error_Fct( hwnd, ERROR_CODE_REPORT, "Scroll in color edit, color= R:%d G:%d B:%d", red, grn, blu) ;
return( 1 ) ;
}
return( 0 ) ;
}
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See also