Microsoft Dynamics AX (Archived)

display Bitmap xx() in forms

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Posted on by Community Member

Hi there

I'm trying to display image on a form with a display bitmap method to feed a window control on a form.

I've seen the example on several blogs and followed them coding thing like this:

display Bitmap picture()

{

container ret;

// prepare container data from a bimap image

return ret;

}

Then I placed a window control on the form and refered the datamethod to 'picture'.

However, every time the method is executed, AX freezes instead of showing the image. It makes no difference if I load the bitmap from a file or from the AOT node nor to return a null value - crashes every time.

Have the problem in AX 4.0, AX 2009 and AX 2012.

What's the trick to run this code?

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Martin Dráb 237,965 Most Valuable Professional on at

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What if you place a breakpoint in your method - did you see where exactly AX freezes? And can you show us your actual code?

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The client crashes before a debugger can appear ...

See actual test code below:

display Bitmap foo2()

{

Bitmap bitmap;

Bindata binData;

breakpoint; // never reached

info("halli galli");

binData = new BinData()

// 1.bmp is a white 10x10pixel Bitmap from MS Paint ...

if (binData.loadFile('c:\\1.bmp'))

{

bitmap = binData.getData();

}

return bitmap;

}

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Hi,

your code is not correct. You cannot do a "new BinData" after you did a info("halli galli"). So your method isn't saved correctly, thus ax is crashing. Fix your method (Variables first, then Initializers, then rest of code).

Kind regards

Andi

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Martin Dráb 237,965 Most Valuable Professional on at

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Andi is right, the code is not compilable. It would be in AX2012, if there wasn't also missing semicolon after new BinData().

If even compiler complains, you can't expect it to work.

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Yes, there was a error - a missing semicolon after 'new BinData()' - sorry was my fault, but the rest is OK,

so, back to topic ;)

display Bitmap foo2()

{

Bitmap bitmap;

Bindata binData;

breakpoint; // never reached

info("halli galli");

binData = new BinData();

// 1.bmp is a white 10x10pixel Bitmap from MS Paint ...

if (binData.loadFile('c:\\1.bmp'))

{

bitmap = binData.getData();

}

return bitmap;

}

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Verified answer

Martin Dráb 237,965 Most Valuable Professional on at

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You should either create image list with your image, set it to WindowControl.imageList() and returns image index in the display method, or not to use display method at all set WindowControl.image() directly.

Now AX expects integer value (index in image list) and it gets some unexpected binary data instead.

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Thank you, the Idea with the Image list does the trick:

- Create ImageList

- Add Icons from AOT to the ImageList

- use display ImageRes xx() and return a index number from the ImageList

I assume, that the 'display Bitmap xx()' pattern only works for images in legacy reports (AX 2009 and before)

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