CSliderCtrl::GetThumbLength
Retrieves the length of the slider in the current trackbar control.
int GetThumbLength() const;
Возвращаемое значение
The length of the slider, in pixels.
Заметки
This method sends the TBM_GETTHUMBLENGTH message, which is described in the Windows SDK.
Требования
Header: afxcmn.h