4
我使用此代码从窗体的非客户区域中删除vcl样式。当从NC区域删除vcl样式时不显示TMainMenu
type
TFormStyleHookNC= class(TMouseTrackControlStyleHook)
protected
procedure PaintBackground(Canvas: TCanvas); override;
constructor Create(AControl: TWinControl); override;
end;
constructor TFormStyleHookNC.Create(AControl: TWinControl);
begin
inherited;
OverrideEraseBkgnd := True;
end;
procedure TFormStyleHookNC.PaintBackground(Canvas: TCanvas);
var
Details: TThemedElementDetails;
R: TRect;
begin
if StyleServices.Available then
begin
Details.Element := teWindow;
Details.Part := 0;
R := Rect(0, 0, Control.ClientWidth, Control.ClientHeight);
StyleServices.DrawElement(Canvas.Handle, Details, R);
end;
end;
initialization
TStyleManager.Engine.RegisterStyleHook(TForm3, TFormStyleHookNC);
之前应用这种风格挂钩的形式看起来像
后
正如你可以看到菜单消失,现在的问题是:如何我可以解决这个问题?我的意思是,如何在不删除TMainMenu的情况下从表单的非客户区删除vcl样式?