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SelectObject info  Overview  Group

The SelectObject function selects an object into the specified device context. The new object replaces the previous object of the same type.

HGDIOBJ SelectObject(

    HDC hdc,

// handle of device context

    HGDIOBJ hgdiobj 

// handle of object



Identifies the device context.
Identifies the object to be selected. The specified object must have been created by using one of the following functions:




CreateBitmap, CreateBitmapIndirect, CreateCompatibleBitmap, CreateDIBitmap, CreateDIBSection

(Bitmaps can be selected for memory device contexts only, and for only one device context at a time.)


CreateBrushIndirect, CreateDIBPatternBrush, CreateDIBPatternBrushPt, CreateHatchBrush, CreatePatternBrush, CreateSolidBrush


CreateFont, CreateFontIndirect


CreatePen, CreatePenIndirect


CombineRgn, CreateEllipticRgn, CreateEllipticRgnIndirect, CreatePolygonRgn, CreateRectRgn, CreateRectRgnIndirect

Return Values

If the selected object is not a region and the function succeeds, the return value is the handle of the object being replaced. If the selected object is a region and the function succeeds, the return value is one of the following values:




Region consists of a single rectangle.


Region consists of more than one rectangle.


Region is empty.

If an error occurs and the selected object is not a region, the return value is NULL. Otherwise, it is GDI_ERROR.


This function returns the previously selected object of the specified type. An application should always replace a new object with the original, default object after it has finished drawing with the new object.

An application cannot select a bitmap into more than one device context at a time.

See Also

CombineRgn, CreateBitmap, CreateBitmapIndirect, CreateBrushIndirect, CreateCompatibleBitmap, CreateDIBitmap, CreateDIBPatternBrush, CreateEllipticRgn, CreateEllipticRgnIndirect, CreateFont, CreateFontIndirect, CreateHatchBrush, CreatePatternBrush, CreatePen, CreatePenIndirect, CreatePolygonRgn, CreateRectRgn, CreateRectRgnIndirect, CreateSolidBrush, SelectClipRgn, SelectPalette 


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