winapi - Add custom colors to TfontDialog in Delphi 7 -

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how can add values color box in tfontdialog? or please tell me components can select font custom color? use delphi 7.

thanks.

i found way... how can show tcolordialog when color box changed on itemindex = 0?

 procedure tform1.fontdialog1show(sender: tobject); const  idcolorcmb = $473;  smycolorname: pchar = 'clmoneygreen';  cmycolor: tcolor = clmoneygreen; begin  senddlgitemmessage(fontdialog1.handle, idcolorcmb, cb_insertstring, 0,  integer(smycolorname));  senddlgitemmessage(fontdialog1.handle, idcolorcmb, cb_setitemdata, 0,    colortorgb(cmycolor)); end;

i think works:

interface  tfontdialog = class(dialogs.tfontdialog) const   idcolorcmb = $473; protected   procedure wndproc(var message: tmessage); override;   procedure doshow; override; end;  ...  implementation  procedure tform1.formcreate(sender: tobject); begin   fontdialog1.execute(); end;  { tfontdialog }  procedure tfontdialog.doshow; const   smycolorname: pchar = 'custom...';   cmycolor: tcolor = $0033ccff; begin   senddlgitemmessage(handle, idcolorcmb, cb_insertstring, 0, integer(smycolorname));   senddlgitemmessage(handle, idcolorcmb, cb_setitemdata, 0, colortorgb(cmycolor)); end;  procedure tfontdialog.wndproc(var message: tmessage); begin   inherited;   message     if (msg = wm_command) , (wparamhi = cbn_selendok) , (wparamlo = idcolorcmb) , (senddlgitemmessage(handle, idcolorcmb, cb_getcursel, 0, 0) = 0)       tcolordialog.create(self)         try           color := tcolor(senddlgitemmessage(self.handle, idcolorcmb, cb_getitemdata, 0, 0));           options := [cdfullopen];           if execute(self.handle)             senddlgitemmessage(self.handle, idcolorcmb, cb_setitemdata, 0, colortorgb(color));                   free;         end; end;

but notice, david correctly argues in comments below, code might fail if dialog box should change (significantly enough) in future version of windows. might or might not showstopper op.


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