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sample: Fix crashes in TreeModelDemo

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This commit is contained in:
Bertrand Lorentz 2012-11-17 17:53:40 +01:00
parent 306f422c38
commit de6b6029ec
1 changed files with 8 additions and 5 deletions
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13
sample/TreeModelDemo.cs
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@ -105,10 +105,12 @@ namespace GtkSamples {
TreeIter IterFromNode (object node) TreeIter IterFromNode (object node)
{ {
GCHandle gch; GCHandle gch;
if (node_hash [node] != null) if (node_hash [node] != null) {
gch = (GCHandle) node_hash [node]; gch = (GCHandle) node_hash [node];
else } else {
gch = GCHandle.Alloc (node); gch = GCHandle.Alloc (node);
node_hash [node] = gch;
}
TreeIter result = TreeIter.Zero; TreeIter result = TreeIter.Zero;
result.UserData = (IntPtr) gch; result.UserData = (IntPtr) gch;
return result; return result;
@ -128,7 +130,7 @@ namespace GtkSamples {
object work = node; object work = node;
TreePath path = new TreePath (); TreePath path = new TreePath ();
if (work is MemberInfo) { if ((work is MemberInfo) && !(work is Type)) {
Type parent = (work as MemberInfo).ReflectedType; Type parent = (work as MemberInfo).ReflectedType;
path.PrependIndex (Array.IndexOf (parent.GetMembers (), work)); path.PrependIndex (Array.IndexOf (parent.GetMembers (), work));
work = parent; work = parent;
@ -140,8 +142,9 @@ namespace GtkSamples {
work = assm; work = assm;
} }
if (work is Assembly) if (work is Assembly) {
path.PrependIndex (Array.IndexOf (assemblies, node)); path.PrependIndex (Array.IndexOf (assemblies, work));
}
return path; return path;
} }