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// Sample to check if a file is a catalog by file name
SafeFileHandle invalidHandle = new SafeFileHandle(new IntPtr(-1), true);
if (IsCatalogFile(invalidHandle, "c:\\my_catalog.cat"))
{
MessageBox.Show("This file is a catalog");
}
else
{
MessageBox.Show("This file is NOT a catalog");
}
// Sample to check if a file is a catalog by file handle
using (FileStream fs = new FileStream("c:\\my_catalog.cat", FileMode.Open))
{
if (IsCatalogFile(fs.SafeFileHandle, null))
{
MessageBox.Show("This file is a catalog");
}
else
{
MessageBox.Show("This file is not a catalog");
}
}
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12/2/2010 4:36:50 PM - -81.247.25.174
An IntPtr is a pointer to a memory location (unmanaged) that adapts to the platform it is running on (64-bit, etc.) UNLIKE a standard int/Integer. You should always use this type for unmanaged calls that require it, even though an int will appear to work on your development machine.
1/13/2008 4:00:13 AM - Damon Carr-72.43.165.29
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