TBM_GETTHUMBLENGTH Overview  Group

The TBM_GETTHUMBLENGTH message retrieves the length of the slider in a trackbar.

TBM_GETTHUMBLENGTH 

wParam = 0; 

lParam = 0; 

 

Return Values

Returns the length, in pixels, of the slider.

See Also

TBM_GETTHUMBRECT, TBM_SETTHUMBLENGTH