Mega Code Archive

 
Categories / Delphi / VCL
 

Maker the mouse wheel works correct in tdbgrid

{....} public procedure AppMessage(var Msg: TMsg; var Handled: Boolean); {....} procedure TForm1.AppMessage(var Msg: TMsg; var Handled: Boolean); var i: SmallInt; begin {Mouse wheel behaves strangely with dgbgrids - this proc sorts this out} if Msg.message = WM_MOUSEWHEEL then begin Msg.message := WM_KEYDOWN; Msg.lParam := 0; i := HiWord(Msg.wParam); if i > 0 then Msg.wParam := VK_UP else Msg.wParam := VK_DOWN; Handled := False; end; end; // Und im Projekt Source: // And in the project source: {....} Application.OnMessage := Form1.AppMessage; {....}