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Overview |
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Group |
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Quick Info
Windows NT
| Yes
| Win95
| Yes
| Win32s
| Yes
| Import Library
| gdi32.lib
| Header File
| wingdi.h
| Unicode
| No
| Platform Notes
| Windows 95: int == 16 bits
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SetTextAlign
The SetTextAlign function sets the text-alignment flags for the specified device context.
UINT SetTextAlign(
HDC hdc,
| // handle of device context
| UINT fMode
| // text-alignment flag
| );
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Parameters
hdc
Identifies the device context.
fMode
Specifies the text alignment by using a mask of the values in the following
list. Only one flag can be chosen from those that affect horizontal and vertical
alignment. In addition, only one of the two flags that alter the current
position can be chosen.
Value
| Meaning
| TA_BASELINE
| The reference point will be on the base line of the text.
| TA_BOTTOM
| The reference point will be on the bottom edge of the bounding rectangle.
| TA_TOP
| The reference point will be on the top edge of the bounding rectangle.
| TA_CENTER
| The reference point will be aligned horizontally with the center of the
bounding rectangle.
| TA_LEFT
| The reference point will be on the left edge of the bounding rectangle.
| TA_RIGHT
| The reference point will be on the right edge of the bounding rectangle.
| TA_NOUPDATECP
| The current position is not updated after each text output call. The reference
point is passed to the text output function.
| TA_RTLREADING
| Windows 95 only: The text is laid out in right to left reading order, as opposed to the
default left to right order. This applies only when the font selected into the device
context is either Hebrew or Arabic.
| TA_UPDATECP
| The current position is updated after each text output call. The current
position is used as the reference point.
|
When the current font has a vertical default base line, as with Kanji, the
following values must be used instead of TA_BASELINE and TA_CENTER:
Value
| Meaning
| VTA_BASELINE
| The reference point will be on the base line of the text.
| VTA_CENTER
| The reference point will be aligned vertically with the center of the bounding
rectangle.
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The default values are TA_LEFT, TA_TOP, and TA_NOUPDATECP.
Return Values
If the function succeeds, the return value is the previous text-alignment
setting.
If the function fails, the return value is GDI_ERROR. To get extended error
information, call GetLastError.
Remarks
The TextOut and ExtTextOut functions use the text-alignment flags to position a string of text on a
display or other device. The flags specify the relationship between a reference
point and a rectangle that bounds the text. The reference point is either the
current position or a point passed to a text output function.
The rectangle that bounds the text is formed by the character cells in the
text string.
See Also
ExtTextOut, GetTextAlign, TextOut
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