The following sample program (ALIGN.BP[908,24] in the EXLIB) illustrates the use of the various alignment options for text within static and button controls.

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The tooltip for each control shows details about the ctype and winstyle flags, and of course the source code reveals all, but here are the relevant flags from ctype:

BS_TOP (&h00000400), BS_BOTTOM (&H00000800), BS_VCENTER (&h00000C00) can be added to the WINSTYLE parameter for buttons to adjust the vertical alignment of the text within the button. The horizontal alignment can be adjusted by the traditional MBF_RTJUST and MBF_LFJUST flags. Note: default alignment for buttons is centered in both directions.

SS_CENTERIMAGE (&h00000200) can be added to the WINSTYLE parameter for static images (scaled with MBF_NODISTORT and without any other MBF_xxx alignment options) to center them within the static control, without changing the size of the control. See the STIMGT.BP[908,32] sample program.

See Image Control for an example of using these same flags for aligning images within Static Text controls, and see the cstate MBST_?CENTER flags for options relating to centering the control itself (relative to its parent).