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  High memory usage with usercontrols in IE (using Debug Diag)
Time: 12:38 EST/17:38 GMT | News Source: Microsoft | Posted By: Kenneth van Surksum

Tess: I was helping a colleague with an interesting case yesterday concerning a memory leak in IE when using winforms usercontrols.

We got a nice little repro with a very basic user control that displayed a picture and each time the page was refreshed it appeared to leak quite a bit of memory,
and inducing a garbage collection had no effect on the memory.

I started off with setting it up on my machine, and then I used Debug Diag 1.1  to track down the leak... Debug diag is not all that great for managed/.net memory leaks since the GC manages the memory for you as I'll show later... but I figured that since I had a repro it was worth a try...

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#826 By 4240821 (94.177.13.246) at 3/10/2026 10:13:03 AM
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