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Checking System.Array's item's naming in vb.net

Hi, I'm using below COM-interface function to get a list of used parameters in 3rd part program. Function output type is System.Array and item's like below;

model.getParameterList()

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Sample Output of model.getParameterList() as System.Array:
$X_FR_TABUl_F_x
$X_FR_TABUl_F_y
$X_FR_TABUl_F_z
$X_FR_FABUl_M_x
$X_FR_FABUl_M_y
$X_FR_FABUl_M_z
$X_FR_FADAl_F_x
$X_FR_FADAl_F_y
$X_FR_FADAl_F_z
$X_FR_FADAl_M_x
$X_FR_FADAl_M_a
$X_FR_FADAl_M_z

As in example F_x, F_y, F_z, M_x, M_y, M_z is related to each other so i'd like to check (e.g.) item starting with "$X_FR_TABUl" has F_x, F_y, F_z, M_x, M_y, M_z items. If all of them is existing it will return True else it will return False for each item.

$X_FR_TABUl -- TRUE
$X_FR_FADAl -- FALSE

Because as you can see $X_FR_FADAl_M_y is it missing.

Is there anyway to quick check these naming with best approach (maybe with LINQ) in vb.net ?

Any help would be grateful. Thanks.

ASKER CERTIFIED SOLUTION

ste5an

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Skale

ASKER

Thanks ste5an that's what i am looking for, but could you please show me how can , it looks F's as a one group and M's are one group. I'm looking for the F_x, F_y_ F_z, M_x, M_y,_ M_z as one group so i expected;

Console.WriteLine(r.Key + " " + r.Count.ToString())

r.count.tostring //output will be 6.

ste5an

Just change the value in the group by function from 3 to 1.

Skale

ASKER

Thanks for the information how can i check single value with your code like $X_FR_TABUl_F_x ?