Board index » cppbuilder » How to "actually draw the entire item yourself manually."?

2004-09-10 10:55:21 AM
cppbuilder80
I didn't find those codes in <BC>/Source/vcl/comctrls.pas.
Would you like to show me the codes?
 

"Jackie" < XXXX@XXXXX.COM >wrote in message
method to draw the background using whatever Brush Color, you want, and use
the TextRect() method to draw the item's text on top of the background. The
State parameter of the event handler tells you whether the item being drawn
should be drawn highlighted, focused, etc.
itself is.
Gambit
 

Thank you very much, though I don't think I understand about the "The OS
itself is".
These codes can change highlight color to yellow.
But not subitems, how can I know the subitem's Caption and their Position?
void __fastcall TFormMain::_listCustomDrawItem(TCustomListView *Sender,
TListItem *Item, TCustomDrawState State, bool &DefaultDraw)
{
if( State.Contains(cdsSelected) )
{
TRect rect_head, rect = Item->DisplayRect(drLabel);
GetWindowRect(FindWindowEx(_list->Handle, 0, "SysHeader32", NULL),
&rect_head);
rect.Right = rect_head.Right;
_list->Canvas->Brush->Color = clYellow;
_list->Canvas->FillRect(rect);
_list->Canvas->TextOut(rect.Left + 2, rect.Top, Item->Caption);
DefaultDraw = false;
}
}
 

{smallsort}