ide: Fixes the bug where IDE crashed when you load a second project.

Loading a first project was no problem. But as soon as you tried to
load a new (second) project, the IDE bombed out. This should be fixed
now.

1 files changed, 10 insertions, 5 deletions

diff --git a/examples/apps/ide/src/frm_main.pas b/examples/apps/ide/src/frm_main.pas
index 6dd31a31..92d5243e 100644
--- a/examples/apps/ide/src/frm_main.pas
+++ b/examples/apps/ide/src/frm_main.pas
@@ -617,11 +617,16 @@ var
   ts: TfpgTabSheet;
   i: integer;
 begin
-  for i := 0 to pcEditor.PageCount-1 do
-  begin
-    ts := pcEditor.Pages[0];
-    pcEditor.RemoveTabSheet(ts);
-    ts.Free;
+  pcEditor.BeginUpdate;
+  try
+    for i := 0 to pcEditor.PageCount-1 do
+    begin
+      ts := pcEditor.Pages[0];
+      pcEditor.RemoveTabSheet(ts);
+      ts.Free;
+    end;
+  finally
+    pcEditor.EndUpdate;
   end;
 end;