Parent & Children in C++Builder

[Royt]

I want to display one instance of any of several child forms and switch between them.<br><br>snippet from main form (frmTest fsMDIForm, frmPage1 fsMIDChild) ...<br><br>void __fastcall TfrmTest:age11Click(TObject *Sender)<br>{<br>&nbsp;&nbsp;&nbsp;&nbsp;if (!Page1)<br>&nbsp;&nbsp;&nbsp;&nbsp;{<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;TfrmPage1 *frmPage1 = /bnew/b TfrmPage1(/bthis/b);<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Page1 = /btrue/b;<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;frmPage1-&gt;Show();<br>&nbsp;&nbsp;&nbsp;&nbsp;}<br>&nbsp;&nbsp;&nbsp;&nbsp;else<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;frmPage1-&gt;BringToFront();<br>}<br><br>where /bbool/b Page1 is initially /bfalse/b, and Page1 is doing nothing.<br><br>Instance is created OK, but when the menu item is clicked a second time ERROR!<br><br>Access violation at address 41303AE6 in module 'VCL35.BPL'. Read of address FFFFFFFF.<br><br>Am I doing something stupid?<br><br>Any suggestions would be welcomed.<br><br>Roy Thomas.<br>