int CalcSumOfClientColWidths(ROWCOL nFromCol, ROWCOL nToCol, int nAbortAt = 0);
nFromCol
Specifies the first relative column index.
nToCol
Specifies the last relative column index.
nAbortAt
Specifies the maximum value for the sum. If it is 0, there is no restriction.
The total width of the given columns.
Computes the total width of the given columns. If the total width exceeds nAbortAt, the method will abort and return this value greater than nAbortAt.
For example, relative column index 1 refers to the first scrollable column to the right of the frozen column(s).
CGXGridCore::CalcSumOfColWidths
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