Valuators::Read

This method return the value of the slider at the current position of the cursor.

Syntax

float Read(

void

) ;

Parameters

This method does not have a parameter.

Return value

return the value of the slider at the current position of the cursor.

Remarks

The value of "Cur_Value" variable is not updated automatically, when the user drag the mouse over the slider, you need to call "Read" and assign the returned value to the "Cur_Value" variable and then call "Adjust" for the graphic to reflect the new value.

Requirements

Header:

TomoVision_Util.hpp

TomoVision_Tools.hpp

Library:

TomoVision_Util.lib

TomoVision_Tools.lib

Example

static Valuators demo ;

extern "C" __declspec(dllexport) int Ctrl_Click( HWND wnd, int up_down, short x, short y )

{

// --- We only want the key press, not the key release ---

if ( ! up_down ) {

return( 0 ) ;

}

// ------------------------------------------------

// We received a mouse click, now we try to find in

// which tool the click was. For this we use the

// "select" method.

// ------------------------------------------------

if ( demo.Select( up_down ) ) {

demo.Cur_Value = demo.Read() ;

demo.Adjust() ;

return( 1 ) ;

}

return( 0 ) ;

}