FMX.Forms.TCommonCustomForm.MouseWheel
Delphi
procedure MouseWheel(Shift: TShiftState; WheelDelta: Integer; var Handled: Boolean); virtual;
C++
virtual void __fastcall MouseWheel(System::Classes::TShiftState Shift, int WheelDelta, bool &Handled);
Properties
Type | Visibility | Source | Unit | Parent |
---|---|---|---|---|
procedure function |
public | FMX.Forms.pas FMX.Forms.hpp |
FMX.Forms | TCommonCustomForm |
Description
Executes each time you roll the mouse wheel.
MouseWheel has the following parameters:
Shift
determines the state of the CTRL, ALT, and SHIFT keys at the moment you released the mouse button.WheelDelta
indicates the distance the wheel was rotated.WheelDelta
is positive if the mouse was rotated upward, and negative if the mouse was rotated downward.Handled
specifies whether this form handles the mouse wheel, or other child controls do this.