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SelectObject The SelectObject function selects an object into the specified device context. The new object replaces the previous object of the same type.
VB4-32,5,6
Declare Function SelectObject Lib "gdi32" Alias "SelectObject" (ByVal hdc As Long, ByVal hObject As Long) As Long |
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Operating Systems Supported |
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Requires Windows NT 3.1 or later; Requires Windows 95 or later |
- hdc
Identifies the device context.
- hgdiobj
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, CreateBrushIndirect, CreateDIBPatternBrush, CreateDIBPatternBrushPt, CreateHatchBrush, CreatePatternBrush, CreateSolidBrush, CreateFont, CreateFontIndirect, CreatePen, CreatePenIndirect, CombineRgn, CreateEllipticRgn, CreateEllipticRgnIndirect, CreatePolygonRgn, CreateRectRgn, CreateRectRgnIndirect |
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:
SIMPLEREGION
Region consists of a single rectangle.
COMPLEXREGION
Region consists of more than one rectangle.
NULLREGION
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. |
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