protected override Region GetTabsRegion(TabsCollection tabs, TabItem lastTab)
{
bool bFirstVisible=true;
Region tabRegion=new Region();
tabRegion.MakeEmpty();
foreach(TabItem tab in tabs)
{
if(!tab.Visible)
continue;
GraphicsPath path=GetTabItemPath(tab,bFirstVisible,(tab==lastTab));
tabRegion.Union(path);
bFirstVisible=false;
}
return tabRegion;
}
protected virtual Region GetTabsRegion(TabsCollection tabs, TabItem lastTab)
{
return null;
}
protected virtual TabItem GetLastVisibleTab(TabsCollection tabs)
{
int c=tabs.Count-1;
for(int i=c;i>=0;i--)
{
if(tabs[i].Visible)
return tabs[i];
}
return null;
}
/// <summary>
/// Default constructor.
/// </summary>
public TabStrip()
{
if(!ColorFunctions.ColorsLoaded)
{
NativeFunctions.RefreshSettings();
NativeFunctions.OnDisplayChange();
ColorFunctions.LoadColors();
}
m_Tabs=new TabsCollection(this);
this.SetStyle(ControlStyles.Selectable,true);
this.SetStyle(ControlStyles.UserPaint,true);
this.SetStyle(ControlStyles.Opaque,true);
this.SetStyle(ControlStyles.SupportsTransparentBackColor, true);
this.SetStyle(DisplayHelp.DoubleBufferFlag,true);
this.SetStyle(ControlStyles.AllPaintingInWmPaint,true);
this.SetStyle(ControlStyles.ResizeRedraw,true);
m_TabSystemBox=new TabSystemBox(this);
m_TabSystemBox.Back+=new EventHandler(this.OnTabBack);
m_TabSystemBox.Close+=new EventHandler(this.OnTabClose);
m_TabSystemBox.Forward+=new EventHandler(this.OnTabForward);
m_ColorScheme=new TabColorScheme(m_Style);
m_ColorScheme.ColorChanged+=new EventHandler(this.ColorSchemeChanged);
StyleManager.Register(this);
}