typedef struct tagPAINTSTRUCT {
HDC hdc;
BOOL fErase;
RECT rcPaint;
BOOL fRestore;
BOOL fIncUpdate;
BYTE rgbReserved[16];
} PAINTSTRUCT;
The PAINTSTRUCT structure contains information that can be used to paint the client area of a window.
hdc
Identifies the display context to be used for painting.
fErase
Specifies whether the background needs to be redrawn. It is not zero if the application should redraw the background. The application is responsible for drawing the background if a Windows window class is created without a background brush (see the description of the hbrBackground member of the WNDCLASS structure).
rcPaint
Specifies the upper-left and lower-right corners of the rectangle in which the painting is requested.
fRestore
Reserved member. It is used internally by Windows.
fIncUpdate
Reserved member. It is used internally by Windows.
rgbReserved[16]
Reserved member. A reserved block of memory used internally by Windows.