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This function retrieves the dimensions — widths and heights — of Windows display elements and system configuration settings. All dimensions retrieved by GetSystemMetricsare in pixels. The RAPI version is CeGetSystemMetrics (RAPI)for versions 2.0 and later.
Syntax
int GetSystemMetrics( int nIndex ); |
Parameters
- nIndex
-
Specifies the system metric or configuration setting to retrieve. All SM_CX* values are widths. All SM_CY* values are heights. The following values are defined.
Value Description SM_CMONITORS
Number of display monitors on the Windows Embedded CE-based device. Supported in Windows CE .NET 4.0 and later.
SM_CXBORDER, SM_CYBORDER
Width and height, in pixels, of a window border. This is equivalent to the SM_CXEDGE value for windows with the 3-D look.
SM_CXCURSOR, SM_CYCURSOR
Width and height, in pixels, of a cursor. The system cannot create cursors of other sizes.
SM_CXDLGFRAME, SM_CYDLGFRAME
Same as SM_CXFIXEDFRAME and SM_CYFIXEDFRAME.
SM_CXDOUBLECLK, SM_CYDOUBLECLK
Width and height, in pixels, of the rectangle around the location of a first click in a double-click sequence. The second click must occur within this rectangle for the system to consider the two clicks a double-click. (The two clicks must also occur within a specified time.)
SM_CXEDGE, SM_CYEDGE
Dimensions, in pixels, of a 3-D border. These are the 3-D counterparts of SM_CXBORDER and SM_CYBORDER.
SM_CXFIXEDFRAME, SM_CYFIXEDFRAME
Thickness, in pixels, of the frame around the perimeter of a window that has a caption but is not sizable. SM_CXFIXEDFRAME is the width of the horizontal border and SM_CYFIXEDFRAME is the height of the vertical border.
Same as SM_CXDLGFRAME and SM_CYDLGFRAME.
SM_CXHSCROLL, SM_CYHSCROLL
Width, in pixels, of the arrow bitmap on a horizontal scroll bar; and height, in pixels, of a horizontal scroll bar.
SM_CXICON, SM_CYICON
The default width and height, in pixels, of an icon. The LoadIconfunction can load only icons of these dimensions.
SM_CXICONSPACING, SM_CYICONSPACING
Dimensions, in pixels, of a grid cell for items in large icon view. Each item fits into a rectangle of this size when arranged. These values are always greater than or equal to SM_CXICON and SM_CYICON.
SM_CXMENUCHECK, SM_CYMENUCHECK
Dimensions, in pixels, of the default menu check-mark bitmap.
SM_CXSCREEN, SM_CYSCREEN
Width and height, in pixels, of the screen of the primary display monitor. These are the same values you obtain by calling GetDeviceCaps( hdcPrimaryMonitor, HORZRES/VERTRES).
SM_CXSMICON, SM_CYSMICON
Recommended dimensions, in pixels, of a small icon. Small icons typically appear in window captions and in small icon view.
SM_CXVIRTUALSCREEN, SM_CYVIRTUALSCREEN
Width and height, in pixels, of the virtual screen. The virtual screen is the bounding rectangle of all display monitors. Supported in Windows CE .NET 4.0 and later.
SM_CXVSCROLL, SM_CYVSCROLL
Width, in pixels, of a vertical scroll bar; and height, in pixels, of the arrow bitmap on a vertical scroll bar.
SM_CYCAPTION
Height, in pixels, of a normal caption area.
SM_CYMENU
Height, in pixels, of a single-line menu bar.
SM_DEBUG
TRUE or nonzero if the debugging version of USER.EXE is installed; FALSE or zero otherwise.
SM_SAMEDISPLAYFORMAT
TRUE if all the display monitors have the same color format, FALSE otherwise. Supported in Windows CE .NET 4.0 and later.
SM_XVIRTUALSCREEN, SM_YVIRTUALSCREEN
Coordinates for the left side and the top of the virtual screen. The virtual screen is the bounding rectangle of all display monitors. Supported in Windows CE .NET 4.0 and later.
Return Value
The requested system metric or configuration setting indicates success. Zero indicates failure. The GetLastErrorfunction does not provide extended error information.
Remarks
Windows Embedded CE does not support the following nIndexvalues:
SM_ARRANGE |
SM_CYMINIMIZED |
SM_CLEANBOOT |
SM_CXMINSPACING |
SM_CMETRICS |
SM_CYMINSPACING |
SM_CMOUSEBUTTONS |
SM_CXMINTRACK |
SM_CXDRAG |
SM_CYMINTRACK |
SM_CYDRAG |
SM_CXSIZE |
SM_CXFRAME |
SM_CYSIZE |
SM_CYFRAME |
SM_CXSIZEFRAME |
SM_CXFULLSCREEN |
SM_CYSIZEFRAME |
SM_CYFULLSCREEN |
SM_CXSMSIZE |
SM_CXHTHUMB |
SM_CYSMSIZE |
SM_CYKANJIWINDOW |
SM_CYSMCAPTION |
SM_CXMAXIMIZED |
SM_CYVTHUMB |
SM_CYMAXIMIZED |
SM_DBCSENABLED |
SM_CXMAXTRACK |
SM_MENUDROPALIGNMENT |
SM_CYMAXTRACK |
SM_MIDEASTENABLED |
SM_CXMENUCHECK |
SM_MOUSEPRESENT |
SM_CYMENUCHECK |
SM_MOUSEWHEELPRESENT |
SM_CXMENUSIZE |
SM_NETWORK |
SM_CYMENUSIZE |
SM_PENWINDOWS |
SM_CXMIN |
SM_SECURE |
SM_CYMIN |
SM_SHOWSOUNDS |
SM_CXMINIMIZED |
SM_SLOWMACHINE |
|
SM_SWAPBUTTON |
If the Windows Embedded CE–based device you are targeting supports a mouse cursor, you can use the SM_CXCURSOR or SM_CYCURSOR values in the nIndexparameter.
Windows Embedded CE versions that support mouse cursors include the Iconcurs and Mcursor components rather than the Icon and Cursor components.
When working with RAPI in Windows CE 1.0 and 1.01, use the PegGetSystemMetricsfunction.
System metrics may vary from display to display.
The system metrics SM_CXICON, SM_CYICON, SM_CXICONSPACING, SM_CYICONSPACING, SM_CXSMICON, SM_CYSMICON, SM_CXCURSOR, SM_CYCURSOR return values in high dpi mode in Windows CE 5.0 and later.
Requirements
Header | winuser.h |
Library | Wmbase.lib |
Windows Embedded CE | Windows CE 1.0 and later |
Windows Mobile | Windows Mobile Version 5.0 and later |
See Also
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