IDWriteTextLayout3::GetLineMetrics method (dwrite_3.h)
Retrieves properties of each line.
Syntax
HRESULT GetLineMetrics(
[out] DWRITE_LINE_METRICS1 *lineMetrics,
UINT32 maxLineCount,
[out] UINT32 *actualLineCount
);
Parameters
[out] lineMetrics
The array to fill with line information.
maxLineCount
The maximum size of the lineMetrics array.
[out] actualLineCount
The actual size of the lineMetrics
array that is needed.
Return value
If this method succeeds, it returns S_OK. Otherwise, it returns an HRESULT error code.
Remarks
If maxLineCount is not large enough E_NOT_SUFFICIENT_BUFFER,
which is equivalent to HRESULT_FROM_WIN32(ERROR_INSUFFICIENT_BUFFER),
is returned and actualLineCount is set to the number of lines
needed.
Requirements
Requirement | Value |
---|---|
Minimum supported client | Windows 8.1 [desktop apps only] |
Minimum supported server | Windows Server 2012 R2 [desktop apps only] |
Target Platform | Windows |
Header | dwrite_3.h |
Library | Dwrite.lib |
DLL | Dwrite.dll |