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USBrian Kennedy
 

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  1. USBrian Kennedy
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    1. POHow to paste tabular data into the "new row" of a DataGridView with AllowUserToAddRows set true?
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    2. POCan I write to a FileStream and then read from it WITHOUT waiting on the backing disk?
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    1. PO
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    2. POWhy are operators so much slower than method calls? (structs are slower only on older JITs)
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    3. PO
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    1. This table or related slice is empty.
    1. CONick, I can't serialize directly to the network stream because if the serialized data ends up large I will need to send it in chunks (separate web service calls), otherwise the web service will end up timing out. So, we typically limit one chunk to 5MB... though we allow our users to tune that, since some have slower networks than others.
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      1. POCan I write to a FileStream and then read from it WITHOUT waiting on the backing disk?
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    2. COOn 2(a), the best I have come up with so far is "No, but Yes sorta...": Create a separate .exe that simply reads in any given raster file into a Bitmap and then opens a new Metafile file on disk and does DrawImage of that Bitmap into that Metafile and quits. Then in my main app, when the user points me to a raster file, rather than opening it and generating memory fragmentation in my main app, I invoke that .exe to create a temporary file containing a Metafile, and then in my main app I read in that file directly to a Metafile. Clunky, but no memory impact on my main app. Any better ideas?
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      1. POThe Memory Usage and Fragmentation of .NET Image classes: Bitmap vs. Metafile
      1. USBrian Kennedy
    3. COYes, Virtlink, it appears I can use Metafile instead of Bitmap to avoid the uncompressed images. Unfortunately, it seems the only way to get a JPG into a Metafile is through a Bitmap... although I can Dispose it immediately to free that memory, it will still result in fragmentation of the memory (it seems). Hence my questions above.
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      1. USBrian Kennedy
 

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Guidance
A row detail

Detail views are divided into sections. All the information in the data section comes from columns in the selected row. The other sections display data from other, related rows.

Related data can be related in a to-one or a to-many fashion. Captions of data related in a to-many fashion link to a list view showing a filtered view of the table.

Try moving around until you find a non-empty to-many entry and click on the label to get to one. You can move back to the root by clicking on the database name in the header.

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